Carl Koch

Kobe Steel Distinguished Professor

  • 919-515-7340
  • Engineering Building I (EB1) 3006

Carl Koch was a research group leader with the Metals and Ceramics Division of Oak Ridge National Laboratory before he joined the NCSU faculty in 1983.

Koch’s research in recent years has focused on the synthesis, characterization and properties of metastable materials. Metastable materials with unique structures or microstructures that we have studied include metallic glasses, intermetallic compounds, nanocrystalline materials and polymer alloys. The chief nonequilibrium processing methods used to prepare metastable materials are rapid solidification from the liquid phase (at about 106 oC/s) and mechanical attrition of powders in high-energy ball mills. Koch was the first researcher to demonstrate that amorphous alloys metallic glasses could be made by ball milling certain elemental powder mixtures by the technique known as mechanical alloying. Recent research has turned to nanocrystalline materials prepared by either mechanical attrition or controlled crystallization of amorphous precursors formed by rapid solidification. His group’s interest in these materials is due to their special mechanical and soft magnetic properties.

Education

Ph.D. 1964

Metallurgy

Case Institute of Technology

M.S. 1961

Metallurgy

Case Institute of Technology

B.S. 1959

Metallurgy

Case Institute of Technology

Publications

High strength, ductility, and electrical conductivity of in-situ consolidated nanocrystalline Cu-1%Nb
Youssef, K. M., Abaza, M. A., Scattergood, R. O., & Koch, C. C. (2018), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 711, 350–355.
Bulk nanostructured materials
Koch, C. C., Langdon, T. G., & Lavernia, E. J. (2017), Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 48A(11), 5181–5199.
Effect of oxygen content on thermal stability of grain size for nanocrystalline Fe10Cr and Fe14Cr4Hf alloy powders
Roodposhti, P. S., Saber, M., Koch, C., Scattergood, R., & Shahbazmohamadi, S. (2017), Journal of Alloys and Compounds, 720, 510–520.
Nanocrystalline high-entropy alloys
Koch, C. C. (2017), Journal of Materials Research, 32(18), 3435–3444.
On the origin and behavior of irradiation-induced c-component dislocation loops in magnesium
Xu, W., Zhang, Y., Cheng, G., Mathaudhu, S. N., Scattergood, R. O., Koch, C. C., … Zhu, Y. T. (2017), Acta Materialia, 131, 457–466.
Self-organizing maps for pattern recognition in design of alloys
Jha, R., Dulikravich, G. S., Chakraborti, N., Fan, M., Schwartz, J., Koch, C. C., … Egorov, I. N. (2017), Materials and Manufacturing Processes, 32(10), 1067–1074.
Algorithms for design optimization of chemistry of hard magnetic alloys using experimental data
Jha, R., Dulikravich, G. S., Chakraborti, N., Fan, M., Schwartz, J., Koch, C. C., … Egorov, I. N. (2016), Journal of Alloys and Compounds, 682, 454–467.
Effect of nano-oxide particle size on radiation resistance of iron-chromium alloys
Xu, W. Z., Li, L. L., Valdez, J. A., Saber, M., Zhu, Y. T., Koch, C. C., & Scattergood, R. O. (2016), Journal of Nuclear Materials, 469, 72–81.
First principles exploration of near-equiatomic NiFeCrCo high entropy alloys
Niu, C., Zaddach, A. J., Koch, C. C., & Irving, D. L. (2016), Journal of Alloys and Compounds, 672, 510–520.
Formation of Bi2Sr2CaCu2Ox/Ag multifilamentary metallic precursor powder-in-tube wires
Zhang, Y., Koch, C. C., & Schwartz, J. (2016), Superconductor Science & Technology, 29(12).
On the evolution of Cu-Ni-rich bridges of Alnico alloys with tempering
Fan, M., Liu, Y., Jha, R., Dulikravich, G. S., Schwartz, J., & Koch, C. C. (2016), Journal of Magnetism and Magnetic Materials, 420, 296–302.
On the formation and evolution of Cu-Ni-rich bridges of alnico alloys with thermomagnetic treatment
Fan, M., Liu, Y., Jha, R., Dulikravich, G. S., Schwartz, J., & Koch, C. C. (2016), IEEE Transactions on Magnetics, 52(8).
On the single phase fcc solid solution in nanocrystalline Cr-Nb-Ti-V-Zn high-entropy alloy
Dwivedi, A., Koch, C. C., & Rajulapati, K. V. (2016), Materials Letters, 183, 44–47.
Structure and magnetic properties of a multi-principal element Ni-Fe-Cr-Co-Zn-Mn alloy
Zaddach, A. J., Niu, C., Oni, A. A., Fan, M., LeBeau, J. M., Irving, D. L., & Koch, C. C. (2016), Intermetallics, 68, 107–112.
Accurate nanoscale crystallography in real-space using scanning transmission electron microscopy
Dycus, J. H., Harris, J. S., Sang, X. H., Fancher, C. M., Findlay, S. D., Oni, A. A., … LeBeau, J. M. (2015), Microscopy and Microanalysis, 21(4), 946–952. https://doi.org/10.1017/s1431927615013732
Effect of stacking fault energy on mechanical properties and,strengthening mechanisms of brasses processed by cryorolling
Dasharath, S. M., Koch, C. C., & Mula, S. (2015), Materials Characterization, 110, 14–24.
High-performance three-stage cascade thermoelectric devices with 20% efficiency
Cook, B. A., Chan, T. E., Dezsi, G., Thomas, P., Koch, C. C., Poon, J., … Venkatasubramanian, R. (2015), Journal of Electronic Materials, 44(6), 1936–1942.
Influence of scandium addition on the high-temperature grain size stabilization of oxide-dispersion-strengthened (ODS) ferritic alloy
Li, L. L., Xu, W. Z., Saber, M., Zhu, Y. T., Koch, C. C., & Scattergood, R. O. (2015), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 636, 565–571.
Long-term stability of 14YT-4Sc alloy at high temperature
Li, L. L., Xu, W. Z., Saber, M., Zhu, Y. T., Koch, C. C., & Scattergood, R. O. (2015), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 647, 222–228.
Microstructures and stabilization mechanisms of nanocrystalline iron-chromium alloys with hafnium addition
Xu, W. Z., Li, L. L., Saber, M., Koch, C. C., Zhu, Y. T., & Scattergood, R. O. (2015), Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 46A(9), 4394–4404.
Nanostructure formation mechanism during in-situ consolidation of copper by room-temperature ball milling
Khoshkhoo, M. S., Scudino, S., Gemming, T., Thomas, J., Freudenberger, J., Zehetbauer, M., … Eckert, J. (2015), Materials & Design, 65, 1083–1090.
Resistance of nanostructured Fe-Cr Alloys to oxidative degradation: Role of Zr and Cr contents
Mahesh, B. V., Raman, R. K. S., & Koch, C. C. (2015), Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 46A(4), 1814–1824.
Spin-driven ordering of Cr in the equiatomic high entropy alloy NiFeCrCo
Niu, C., Zaddach, A. J., Oni, A. A., Sang, X., Hurt, J. W., LeBeau, J. M., … Irving, D. L. (2015), Applied Physics Letters, 106(16).
Tensile properties of low-stacking fault energy high-entropy alloys
Zaddach, A. J., Scattergood, R. O., & Koch, C. C. (2015), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 636, 373–378.
Thermodynamic grain size stabilization models: An overview
Saber, M., Koch, C. C., & Scattergood, R. O. (2015), Materials Research Letters, 3(2), 65–75.
A novel low-density, high-hardness, high-entropy alloy with close-packed single-phase nanocrystalline structures
Youssef, K. M., Zaddach, A. J., Niu, C. N., Irving, D. L., & Koch, C. C. (2015), Materials Research Letters, 3(2), 95–99.
Grain size stability and hardness in nanocrystalline Cu-Al-Zr and Cu-Al-Y alloys
Roy, D., Mahesh, B. V., Atwater, M. A., Chan, T. E., Scattergood, R. O., & Koch, C. C. (2014), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 598, 217–223.
High-temperature grain size stabilization of nanocrystalline Fe-Cr alloys with Hf additions
Li, L. L., Saber, M., Xu, W. Z., Zhu, Y. T., Koch, C. C., & Scattergood, R. O. (2014), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 613, 289–295.
Influence of Zr and nano-Y2O3 additions on thermal stability and improved hardness in mechanically alloyed Fe base ferritic alloys
Kotan, H., Darling, K. A., Scattergood, R. O., & Koch, C. C. (2014), Journal of Alloys and Compounds, 615, 1013–1018.
Loading rate-dependent mechanical properties of bulk two-phase nanocrystalline Al-Pb alloys studied by nanoindentation
Varam, S., Rajulapati, K. V., Rao, K. B. S., Scattergood, R. O., Murty, K. L., & Koch, C. C. (2014), Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 45A(11), 5249–5258.
Nano ZrO2 particles in nanocrystalline Fe-14Cr-1.5Zr alloy powders
Xu, W. Z., Li, L. L., Saber, M., Koch, C. C., Zhu, Y. T., & Scattergood, R. O. (2014), Journal of Nuclear Materials, 452(1-3), 434–439.
Size effect of primary Y2O3 additions on the characteristics of the nanostructured ferritic ODS alloys: Comparing as-milled and as-milled/annealed alloys using S/TEM
Saber, M., Xu, W. Z., Li, L. L., Zhu, Y. T., Koch, C. C., & Scattergood, R. O. (2014), Journal of Nuclear Materials, 452(1-3), 223–229.
Synthesis of Bi2Sr2CaCu2Ox superconductors via direct oxidation of metallic precursors
Zhang, Y., Koch, C. C., & Schwartz, J. (2014), Superconductor Science & Technology, 27(5).
Carrier concentration modulation by hot pressing pressure in n-type nanostructured Bi(Se)Te alloy
Chan, T. T. E., LeBeau, J. M., Venkatasubramanian, R., Thomas, P., Stuart, J., & Koch, C. C. (2013), Applied Physics Letters, 103(14).
Effect of nanocrystalline structure on the corrosion of a Fe20Cr alloy
Gupta, R. K., Raman, R. K. S., Koch, C. C., & Murty, B. S. (2013), International Journal of Electrochemical Science, 8(5), 6791–6806.
High temperature stabilization of nanocrystalline grain size: Thermodynamic versus kinetic strategies
Koch, C. C., Scattergood, R. O., Saber, M., & Kotan, H. (2013), Journal of Materials Research, 28(13), 1785–1791.
In-situ atomic-scale observation of irradiation-induced void formation
Xu, W. Z., Zhang, Y. F., Cheng, G. M., Jian, W. W., Millett, P. C., Koch, C. C., … Zhu, Y. T. (2013), Nature Communications, 4.
Mechanical properties and stacking fault energies of NiFeCrCoMn high-entropy alloy
Zaddach, A. J., Niu, C., Koch, C. C., & Irving, D. L. (2013), JOM: the Journal of the Minerals, Metals & Materials Society, 65(12), 1780–1789.
Nature and density of lattice defects in ball milled nanostructured copper
Setman, D., Kerber, M., Bahmanpour, H., Horky, J., Scattergood, R. O., Koch, C. C., & Zehetbauer, M. J. (2013), Mechanics of Materials, 67, 59–64.
Physics and model of strengthening by parallel stacking faults
Jian, W. W., Cheng, G. M., Xu, W. Z., Koch, C. C., Wang, Q. D., Zhu, Y. T., & Mathaudhu, S. N. (2013), Applied Physics Letters, 103(13).
Studies on thermal stability, mechanical and electrical properties of nano crystalline Cu99.5Zr0.5 alloy
Roy, D., Atwater, M. A., Youssef, K., Ledford, J. C., Scattergood, R. O., & Koch, C. C. (2013), Journal of Alloys and Compounds, 558, 44–49.
Thermal stability and mechanical properties of nanocrystalline Fe-Ni-Zr alloys prepared by mechanical alloying
Kotan, H., Darling, K. A., Saber, M., Scattergood, R. O., & Koch, C. C. (2013), Journal of Materials Science, 48(24), 8402–8411.
Thermal stability of nanocrystalline copper alloyed with antimony
Atwater, M. A., Mula, S., Scattergood, R. O., & Koch, C. C. (2013), Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 44A(12), 5611–5616.
Thermal stability of nanocrystalline grain size in ternary FE-base alloys
Koch, C. C., Scattergood, R. O., Kotan, H., & Saber, M. (2013), In Recrystallization and grain growth v (Vol. 753, pp. 341–344).
Thermal stability of nanocrystalline nickel with yttrium additions
Darling, K. A., Kecskes, L. J., Atwater, M., Semones, J., Scattergood, R. O., & Koch, C. C. (2013), Journal of Materials Research, 28(13), 1813–1819.
Thermodynamic stabilization of nanocrystalline binary alloys
Saber, M., Kotan, H., Koch, C. C., & Scattergood, R. O. (2013), Journal of Applied Physics, 113(6).
A predictive model for thermodynamic stability of grain size in nanocrystalline ternary alloys
Saber, M., Kotan, H., Koch, C. C., & Scattergood, R. O. (2013), Journal of Applied Physics, 114(10).
An in situ experimental study of grain growth in a nanocrystalline Fe91Ni8Zr1 alloy
Kotan, H., Darling, K. A., Saber, M., Scattergood, R. O., & Koch, C. C. (2013), Journal of Materials Science, 48(5), 2251–2257.
The stabilization of nanocrystalline copper by zirconium
Atwater, M. A., Scattergood, R. O., & Koch, C. C. (2013), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 559, 250–256.
The thermal stability of nanocrystalline cartridge brass and the effect of zirconium additions
Atwater, M. A., Bahmanpour, H., Scattergood, R. O., & Koch, C. C. (2013), Journal of Materials Science, 48(1), 220–226.
Deformation twins and related softening behavior in nanocrystalline Cu-30% Zn alloy
Bahmanpour, H., Youssef, K. M., Horky, J., Setman, D., Atwater, M. A., Zehetbauer, M. J., … Koch, C. C. (2012), Acta Materialia, 60(8), 3340–3349.
Electrochemical characteristics of nano and microcrystalline Fe-Cr alloys
Gupta, R. K., Raman, R. K. S., & Koch, C. C. (2012), Journal of Materials Science, 47(16), 6118–6124.
Evaluation of mechanical properties of partially amorphous and nanocrystalline Al50Ti40Si10 composites prepared by mechanical alloying and hot isostatic pressing
Roy, D., Mitra, R., Ojo, O. A., Singh, S. S., Kolesnikov, D., Lojkowski, W., … Manna, I. (2012), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 555, 21–27.
Synthesis, characterization and mechanical behaviour of an in situ consolidated nanocrystalline FeCrNi alloy
Gupta, R. K., Darling, K. S., Raman, R. K. S., Ravi, K. R., Koch, C. C., Murty, B. S., & Scattergood, R. O. (2012),
Thermal stability of nanocrystalline Fe-Cr alloys with Zr additions
Saber, M., Kotan, H., Koch, C. C., & Scattergood, R. O. (2012), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 556, 664–670.
Thermodynamic stabilization of grain size in nanocrystalline metals
Koch, C. C., Scattergood, R. O., VanLeeuwen, B. K., & Darling, K. A. (2012), In Recrystallization and grain growth iv (Vol. 715-716, pp. 323–328).
The thermal stability of nanocrystalline copper cryogenically milled with tungsten
Atwater, M. A., Roy, D., Darling, K. A., Butler, B. G., Scattergood, R. O., & Koch, C. C. (2012), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 558, 226–233.
Deformation twinning in a nanocrystalline hcp Mg alloy
Wu, X. L., Youssef, K. M., Koch, C. C., Mathaudhu, S. N., Kecskes, L. J., & Zhu, Y. T. (2011), Scripta Materialia, 64(3), 213–216.
Effect of stacking fault energy on deformation behavior of cryo-rolled copper and copper alloys
Bahmanpour, H., Kauffmann, A., Khoshkhoo, M. S., Youssef, K. M., Mula, S., Freudenberger, J., … Koch, C. C. (2011), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 529, 230–236.
Effect of stacking fault energy on mechanical behavior of bulk nanocrystalline Cu and Cu alloys
Youssef, K., Sakaliyska, M., Bahmanpour, H., Scattergood, R., & Koch, C. (2011), Acta Materialia, 59(14), 5758–5764.
High hardness in a nanocrystalline Mg(97)Y(2)Zn(1) alloy
Youssef, K. M., Wang, Y. B., Liao, X. Z., Mathaudhu, S. N., Kecskes, L. J., Zhu, Y. T., & Koch, C. C. (2011), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 528(25-26), 7494–7499.
Mechanical behavior of bulk nanocrystalline copper alloys produced by high energy ball milling
Bahmanpour, H., Youssef, K. M., Scattergood, R. O., & Koch, C. C. (2011), Journal of Materials Science, 46(19), 6316–6322.
Novel technique for the synthesis of ultra-fine porosity metal foam via the inclusion of condensed argon through cryogenic mechanical alloying
VanLeeuwen, B. K., Darling, K. A., Koch, C. C., & Scattergood, R. O. (2011), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 528(4-5), 2192–2195.
Structural investigation of vacuum sintered Cu-Cr and Cu-Cr-4% SIC nanocomposites prepared by mechanical alloying
Sahani, P., Mula, S., Roy, P. K., Kang, P. C., & Koch, C. C. (2011), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 528(25-26), 7781–7789.
Creep behavior of ultra-fine grained Zn-4.5Al
Gobien, J. M., Murty, K. L., Scattergood, R. O., Goodwin, F., & Koch, C. C. (2010), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 527(27-28), 7382–7386.
Creep in nanocrystalline materials: Role of stress assisted grain growth
Gollapudi, S., Rajulapati, K. V., Charit, I., Koch, C. C., Scattergood, R. O., & Murty, K. L. (2010), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 527(21-22), 5773–5781.
Nanostructured materials by mechanical alloying: New results on property enhancement
Koch, C. C., Scattergood, R. O., Youssef, K. M., Chan, E. H., & Zhu, Y. T. T. (2010), Journal of Materials Science, 45(17), 4725–4732.
Resistance of nanocrystalline vis-a-vis microcrystalline Fe-Cr alloys to environmental degradation and challenges to their synthesis
Raman, R. K. S., Gupta, R. K., & Koch, C. C. (2010), Philosophical Magazine, 90(23), 3233–3260.
Thermal stability of nanocrystalline Fe-Zr alloys
Darling, K. A., VanLeeuwen, B. K., Koch, C. C., & Scattergood, R. O. (2010), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 527(15), 3572–3580.
Thermal stability of nanocrystalline Pd81Zr19
VanLeeuwen, B. K., Darling, K. A., Koch, C. C., Scattergood, R. O., & Butler, B. G. (2010), Acta Materialia, 58(12), 4292–4297.
Understanding creep in nanocrystalline materials
Gollapudi, S., Rajulapati, K. V., Charit, I., Youssef, K. M., Koch, C. C., Scattergood, R. O., & Murty, K. L. (2010), Transactions of the Indian Institute of Metals, 63(2-3), 373–378.
Mechanical behavior of bulk ultra-fine-grained Zn-Al die-casting alloys
Gobien, J. M., Scattergood, R. O., Goodwin, F. E., & Koch, C. C. (2009), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 518(1-2), 84–88.
Processing and characterization of nanostructured Cu-carbon nanotube composites
Li, H. Q., Misra, A., Zhu, Y. T., Horita, Z., Koch, C. C., & Holesinger, T. G. (2009), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 523(1-2), 60–64.
Strong and ductile nanostructured Cu-carbon nanotube composite
Li, H. Q., Misra, A., Horita, Z., Koch, C. C., Mara, N. A., Dickerson, P. O., & Zhu, Y. T. (2009), Applied Physics Letters, 95(7).
The role of new particle surfaces in synthesizing bulk nanostructured metallic materials by powder metallurgy
Zhang, D. L., Koch, C. C., & Scattergood, R. O. (2009), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 516(1-2), 270–275.
Grain growth behaviour and consolidation of ball-milled nanocrystalline Fe-10Cr alloy
Gupta, R., Raman, R. K. S., & Koch, C. C. (2008), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 494(1-2), 253–256.
Grain-size stabilization in nanocrystalline FeZr alloys
Darling, K. A., Chan, R. N., Wong, P. Z., Semones, J. E., Scattergood, R. O., & Koch, C. C. (2008), Scripta Materialia, 59(5), 530–533. https://doi.org/10.1016/j.scriptamat.2008.04.045
Influence of pulse plating parameters on the synthesis and preferred orientation of nanocrystalline zinc from zinc sulfate electrolytes
Youssef, K. M., Koch, C. C., & Fedkiw, P. S. (2008), Electrochimica Acta, 54(2), 677–683. https://doi.org/10.1016/j.electacta.2008.07.048
Mechanical properties of bulk nanocrystalline aluminum-tungsten alloys
Rajulapati, K. V., Scattergood, R. O., Murty, K. L., Horita, Z., Langdon, T. G., & Koch, C. C. (2008), Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 39A(10), 2528–2534. https://doi.org/10.1007/s11661-008-9593-3
Self-assembled three-dimensional Cu-Ge nanoweb composite
Darling, K. A., Reynolds, C. L., Leonard, D. N., Duscher, G., Scattergood, R. O., & Koch, C. C. (2008), Nanotechnology, 19(13).
Stabilization of nanocrystalline grain sizes by solute additions
Koch, C. C., Scattergood, R. O., Darling, K. A., & Semones, J. E. (2008), (Vol. 43, pp. 7264–7272).
Strengthening mechanisms in nanocrystalline alloys
Scattergood, R. O., Koch, C. C., Murty, K. L., & Brenner, D. (2008), (Vol. 493, pp. 3–11).
Thermal stability, mechanical and electrical properties of nanocrystalline Cu3Ge
Darling, K. A., Guduru, R. K., Reynolds, C. L., Bhosle, V. M., Chan, R. N., Scattergood, R. O., … Aboelfotoh, M. O. (2008), Intermetallics, 16(3), 378–383. https://doi.org/10.1016/j.intermet.2007.11.005
Determination of activation volume in nanocrystalline Cu using the shear punch test
Guduru, R. K., Wong, P. Z., Darling, K. A., Koch, C. C., Murty, K. L., & Scattergood, R. O. (2007), Advanced Engineering Materials, 9(10), 855–859. https://doi.org/10.1002/adem.200700181
Mechanical properties of electrodeposited nanocrystalline copper using tensile and shear punch tests
Guduru, R. K., Darling, K. A., Scattergood, R. O., Koch, C. C., & Murty, K. L. (2007), Journal of Materials Science, 42(14), 5581–5588. https://doi.org/10.1007/s10853-006-1095-3
Structural nanocrystalline materials: an overview
Koch, C. C. (2007), Journal of Materials Science, 42(5), 1403–1414. https://doi.org/10.1007/s10853-006-0609-3
Thickness and clearance effects in shear punch testing
Guduru, R. K., Nagasekhar, A. V., Scattergood, R. O., Koch, C. C., & Murty, K. L. (2007), Advanced Engineering Materials, 9(3), 157–160. https://doi.org/10.1002/adem.200600255
The mechanical behavior of multiphase nanocrystalline materials
Koch, C. C., Scattergood, R. O., & Murty, K. L. (2007), JOM: the Journal of the Minerals, Metals & Materials Society, 59(3), 66–70.
Effect of Pb on the mechanical properties of nanocrystalline Al
Rajulapati, K. V., Scattergood, R. O., Murty, K. L., Duscher, G., & Koch, C. C. (2006), Scripta Materialia, 55(2), 155–158. https://doi.org/10.1016/j.scriptamat.2006.03.051
Finite element analysis of a shear punch test
Guduru, R. K., Nagasekhar, A. V., Scattergood, R. O., Koch, C. C., & Murty, K. L. (2006), Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 37A(5), 1477–1483. https://doi.org/10.1007/s11661-006-0092-0
Mechanical properties of nanocrystalline Fe-Pb and Fe-Al2O3
Guduru, R. K., Scattergood, R. O., Koch, C. C., Murty, K. L., Guruswamy, S., & McCarter, M. K. (2006), Scripta Materialia, 54(11), 1879–1883. https://doi.org/10.1016/j.scriptamat.2006.02.014
Nanocrystalline Al-Mg alloy with ultrahigh strength and good ductility
Youssef, K. M., Scattergood, R. O., Murty, K. L., & Koch, C. C. (2006), Scripta Materialia, 54(2), 251–256. https://doi.org/10.1016/j.scriptamat.2005.09.028
Shear punch tests for a bulk metallic glass
Guduru, R. K., Darling, K. A., Scattergood, R. O., Koch, C. C., Murty, K. L., Bakkal, M., & Shih, A. J. (2006), Intermetallics, 14(12), 1411–1416. https://doi.org/10.1016/j.intermet.2006.01.052
Ball indentation tests for a Zr-based bulk metallic glass
Trichy, G. R., Scattergood, R. O., Koch, C. C., & Murty, K. L. (2005), Scripta Materialia, 53(12), 1461–1465. https://doi.org/10.1016/j.scriptamat.2005.08.010
Breakthroughs in optimization of mechanical properties of nanostructured metals and alloys
Koch, C. C., Youssef, K. M., Scattergood, R. O., & Murty, K. L. (2005), Advanced Engineering Materials, 7(9), 787–794. https://doi.org/10.1002/adern.200500094
Consolidation of a Cu-2.5 vol.% Al2O3 powder using high energy mechanical milling
Zhang, D. L., Raynova, S., Koch, C. C., Scattergood, R. O., & Youssef, K. M. (2005), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 410, 375–380.
Tensile properties of in situ consolidated nanocrystalline Cu
Cheng, S., Ma, E., Wang, Y. M., Kecskes, L. J., Youssef, K. M., Koch, C. C., … Han, K. (2005), Acta Materialia, 53(5), 1521–1533. https://doi.org/10.1016/j.actamat.2004.12.005
Ultrahigh strength and high ductility of bulk nanocrystalline copper
Youssef, K. M., Scattergood, R. O., Murty, K. L., Horton, J. A., & Koch, C. C. (2005), Applied Physics Letters, 87(9).
Improved corrosion behavior of nanocrystalline zinc produced by pulse-current electrodeposition
Youssef, K. M. S., Koch, C. C., & Fedkiw, P. S. (2004), Corrosion Science, 46(1), 51–64. https://doi.org/10.1016/S0010-938X(03)00142-2
Influence of additives and pulse electrodeposition parameters on production of nanocrystalline zinc from zinc chloride electrolytes
Youssef, K. M. S., Koch, C. C., & Fedkiw, P. S. (2004), Journal of the Electrochemical Society, 151(2), C103–111. https://doi.org/10.1149/1.1636739
Mechanical behavior of bulk ultrafine-grained and nanocrystalline Zn
Zhang, X., Wang, H., & Koch, C. C. (2004), Reviews on Advanced Materials Science, 6(2), 53–93.
Ultratough nanocrystalline copper with a narrow grain size distribution
Youssef, K. M., Scattergood, R. O., Murty, K. L., & Koch, C. C. (2004), Applied Physics Letters, 85(6), 929–931. https://doi.org/10.1063/1.1779342
Evolution of microstructure and mechanical properties of in situ consolidated bulk ultra-fine-grained and nanocrystalline Zn prepared by ball milling
Zhang, X., Wang, H., Scattergood, R. O., Narayan, J., & Koch, C. C. (2003), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 344(1-2), 175–181.
Optimization of strength and ductility in nanocrystalline and ultrafine grained metals
Koch, C. C. (2003), Scripta Materialia, 49(7), 657–662. https://doi.org/10.1016/S1359-6462(03)00394-4
Pulse current electrodeposition of nanocrystalline zinc
Saber, K., Koch, C. C., & Fedkiw, P. S. (2003), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 341(1-2), 174–181.
Synthesis of bulk nanostructured Zn by combinations of cryomilling and powder consolidation by room temperature milling: optimizing mechanical properties
Zhu, X. K., Zhang, X., Wang, H., Sergueeva, A. V., Mukherjee, A. K., Scattergood, R. O., … Koch, C. C. (2003), Scripta Materialia, 49(5), 429–433. https://doi.org/10.1016/S1359-6462(03)00297-5
Mechanical properties of cyromilled nanocrystalline Zn studied by the miniaturized disk bend test
Zhang, X., Wang, H., Scattergood, R. O., Narayan, J., & Koch, C. C. (2002), Acta Materialia, 50(13), 3527–3533. https://doi.org/10.1016/S1359-6454(02)00176-3
Modulated oscillatory hardening and dynamic recrystallization in cryomilled nanocrystalline Zn
Zhang, X., Wang, H., Scattergood, R. O., Narayan, J., & Koch, C. C. (2002), Acta Materialia, 50(16), 3995–4004. https://doi.org/10.1016/S1359-6454(02)00199-4
Preparation of bulk ultrafine-grained and nanostructured Zn, Al and their alloys by in situ consolidation of powders during mechanical attrition
Zhang, X., Wang, H., Kassem, M., Narayan, J., & Koch, C. C. (2002), Scripta Materialia, 46(9), 661–665. https://doi.org/10.1016/S1359-6462(02)00048-9
Studies of deformation mechanisms in ultra-fine-grained and nanostructured Zn
Zhang, X., Wang, H., Scattergood, R. O., Narayan, J., Koch, C. C., Sergueeva, A. V., & Mukherjee, A. K. (2002), Acta Materialia, 50(19), 4823–4830. https://doi.org/10.1016/S1359-6454(02)00349-X
Tensile elongation (110%) observed in ultrafine-grained Zn at room temperature
Zhang, X., Wang, H., Scattergood, R. O., Narayan, J., Koch, C. C., Sergueeva, A. V., & Mukherjee, A. K. (2002), Applied Physics Letters, 81(5), 823–825. https://doi.org/10.1063/1.1494866
Anomalous phase inversion in polymer blends prepared by cryogenic mechanical alloying
Smith, A. P., Ade, H., Smith, S. D., Koch, C. C., & Spontak, R. J. (2001, March),
Cryogenic mechanical alloying as an alternative strategy for the recycling of tires
Smith, A. P., Ade, H., Koch, C. C., & Spontak, R. J. (2001), Polymer, 42(9), 4453–4457. https://doi.org/10.1016/S0032-3861(00)00804-1
Evidence for the formation mechanism of nanoscale microstructures in cryomilled Zn powder.
Zhang, X., Wang, H., Narayan, J., & Koch, C. C. (2001), Acta Materialia, 49(8), 1319–1326. https://doi.org/10.1016/S1359-6454(01)00051-9
Mechanical properties of nanocrystalline and epitaxial TiN films on (100) silicon
Wang, H., Sharma, A., Kvit, A., Wei, Q., Zhang, X., Koch, C. C., & Narayan, J. (2001), Journal of Materials Research, 16(9), 2733–2738. https://doi.org/10.1557/JMR.2001.0373
Origins of stored enthalpy in cryomilled nanocrystalline Zn
Zhang, X. H., Wang, H. Y., Kassem, M., Narayan, J., & Koch, C. C. (2001), Journal of Materials Research, 16(12), 3485–3495. https://doi.org/10.1557/JMR.2001.0479
Addition of a block copolymer to polymer blends produced by cryogenic mechanical alloying
Smith, A. P., Ade, H., Koch, C. C., Smith, S. D., & Spontak, R. J. (2000), Macromolecules, 33(4), 1163–1172. https://doi.org/10.1021/ma9915475
Cryogenic mechanical alloying of poly(methyl methacrylate) with polyisoprene and poly(ethylene-alt-propylene)
Smith, A. P., Ade, H., Balik, C. M., Koch, C. C., Smith, S. D., & Spontak, R. J. (2000), Macromolecules, 33(7), 2595–2604. https://doi.org/10.1021/ma991453v
Experimental evidence for magnetic or electric field effects on phase transformations
Koch, C. C. (2000), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 287(2), 213–218.
High-energy mechanical milling of poly(methyl methacrylate), polyisoprene and poly(ethylene-alt-propylene)
Smith, A. P., Shay, J. S., Spontak, R. J., Balik, C. M., Ade, H., Smith, S. D., & Koch, C. C. (2000), Polymer, 41(16), 6271–6283. https://doi.org/10.1016/S0032-3861(99)00830-7
Nanocrystalline materials - Current research and future directions
Suryanarayana, C., & Koch, C. C. (2000), Hyperfine Interactions, 130(1-4), 5–44. https://doi.org/10.1023/A:1011026900989
Structural changes in poly(ethylene terephthalate) induced by mechanical milling
Bai, C., Spontak, R. J., Koch, C. C., Saw, C. K., & Balik, C. M. (2000), Polymer, 41(19), 7147–7157. https://doi.org/10.1016/S0032-3861(00)00048-3
Temperature-induced morphological evolution in polymer blends produced by cryogenic mechanical alloying
Smith, A. P., Spontak, R. J., Koch, C. C., Smith, S. D., & Ade, H. (2000), Macromolecular Materials and Engineering, 274(1), 1–12.
High-energy cryogenic blending and compatibilizing of immiscible polymers
Smith, A., Spontak, R. J., Ade, H., Smith, S. D., & Koch, C. C. (1999), Advanced Materials, 11(15), 1277. https://doi.org/10.1002/(SICI)1521-4095(199910)11:15<1277::AID-ADMA1277>3.0.CO;2-9
Possible evidence for the stabilization of beta-carbon nitride by high-energy ball milling
Fahmy, Y., Shen, T. D., Tucker, D. A., Spontak, R. L., & Koch, C. C. (1999), Journal of Materials Research, 14(6), 2488–2499. https://doi.org/10.1557/JMR.1999.0334
Compressive mechanical behavior of nanocrystalline Fe investigated with an automated ball indentation technique
Malow, T. R., Koch, C. C., Miraglia, P. Q., & Murty, K. L. (1998), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 252(1), 36–43.
Intermetallic matrix composites prepared by mechanical alloying - a review
Koch, C. C. (1998), Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 244(1), 39–48.
Isolation techniques and electrical characterization of single grain boundaries of Bi2Sr2CaCu2O2 high-temperature superconductor
Saleh, A. M., Schindler, G., Sarma, C., Haase, D. G., Koch, C. C., & Kingon, A. I. (1998), Physica. C, Superconductivity, 295(3-4), 225–234.
Mechanical properties in tension of mechanically attrited nanocrystalline iron by the use of the miniaturized disk bend test
Malow, T. R., & Koch, C. C. (1998), Acta Materialia, 46(18), 6459–6473. https://doi.org/10.1016/S1359-6454(98)00294-8
Mechanical properties, ductility, and grain size of nanocrystalline iron produced by mechanical attrition
Malow, T. R., & Koch, C. C. (1998), Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 29(9), 2285–2295. https://doi.org/10.1007/s11661-998-0106-1
X-ray microscopy of novel thermoplastic/liquid crystalline polymer blends by mechanical alloying
Smith, A. P., Bai, C., Ade, H., Spontak, R. J., Balik, C. M., & Koch, C. C. (1998), Macromolecular Rapid Communications, 19(11), 557–561. https://doi.org/10.1002/marc.1998.030191104
Grain growth in nanocrystalline iron prepared by mechanical attrition
Malow, T. R., & Koch, C. C. (1997), Acta Materialia, 45(5), 2177–2186. https://doi.org/10.1016/S1359-6454(96)00300-X
Photoluminescence from mechanically milled Si and SiO(2) powders
Shen, T. D., Shmagin, I. K., Koch, C. C., Kolbas, R. M., Fahmy, Y., Bergman, L., … Quan, M. X. (1997), Physical Review. B, Condensed Matter and Materials Physics, 55(12), 7615–7623.
Solid-state reaction in nanocrystalline Fe/SiC composites prepared by mechanical alloying
Shen, T. D., & Koch, C. C. (1997), Journal of Materials Science, 32(14), 3835–3839. https://doi.org/10.1023/A:1018688009913
Synthesis of nanostructured materials by mechanical milling: Problems and opportunities
Koch, C. C. (1997), Nanostructured Materials, 9(1-8), 13–22. https://doi.org/10.1016/S0965-9773(97)00014-7
X-ray intensity decrease from absorption effects in mechanically milled systems
Leonard, R. T., & Koch, C. C. (1997), Scripta Materialia, 36(1), 41–46. https://doi.org/10.1016/S1359-6462(96)00333-8
Amorphization and disordering of the ni3al ordered intermetallic by mechanical milling
Jang, J. S. C., & Koch, C. C. (1990), Journal of Materials Research, 5(3), 498–510.
Materials synthesis by mechanical alloying
Koch, C. C. (1989), Annual Review of Materials Science, 19, 121–143. https://doi.org/10.1146/annurev.ms.19.080189.001005
Formation of amorphous-alloys by the mechanical alloying of crystalline powders of pure metals and powders of intermetallics
Schwarz, R. B., & Koch, C. C. (1986), Applied Physics Letters, 49(3), 146–148.

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