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Selected Recent Papers on Nanometals and Alloys

• X.L. Wu, Y.T. Zhu, Y.G. Wei, and Q. Wei, “Strong Strain Hardening in Nanocrystalline Nickel,” Phys. Rev. Lett. 103, 205504 (2009).
• H.Q. Li, A. Misra, Z. Horita, C.C. Koch, N.A. Mara, P.O. Dickerson, Y.T. Zhu, "Strong and Ductile Nanostructured Cu-Carbon Composite," Appl. Phys. Lett. 95, 071907 (2009).
• Y.T. Zhu, X.L. Wu, X.L. Liao, J. Narayan, S.N. Mathaudhu, L.J. Kecskes, "Twinning patial multiplication at grain boundary in nanocrystalline fcc metals," Appl. Phys. Lett. 95, 031909 (2009).
• Y.T. Zhu, J. Narayan, J.P. Hirth, S. Mahajan, X.L. Wu, X.L. Liao, "Formation of single and multiple deformation twins in nanocrystalline fcc metals," Acta Mater. 57, 3763-3770 (2009).
• Y.B. Wang, J.C. Ho, X.Z. Liao, H.Q. Li, S.P. Ringer, and Y.T. Zhu, "Dislocation density evolution during high-pressure torsion of a nanocrystalline ni-Fe alloy," Appl. Phys. Lett. 94, 091911 (2009).
• Y.B. Wang, J.C. Ho, X.Z. Liao, H.Q. Li, S.P. Ringer, and Y.T. Zhu, "Mechanism of grain growth during severe plastic deforamtion of a nanocrystalline Ni-Fe alloy," Appl. Phys. Lett. 94, 011908 (2009).
• Y.H. Zhao, Y.Z. Guo, Q. Wei, A.M. Dangelewicz, C. Xu, Y.T. Zhu, T.G. Langdon, Y.Z. Zhou, E.J. Lavernia, “Influence of Specimen Dimensions on the Tensile Behavior of Ultrafine-Grained Cu,” Script Mat. 59, 627-630 (2008).
• Y.H. Zhao, T. Topping, J.F. Bingert, A.M. Dangelewicz, Y. Li, Y.T. Zhu, Y.Z. Zhou, and E.J. Lavernia, “High Tensile Ductility and Strength in Bulk Nanostructured Nickel,” Advanced Mater. 20, 3028-3033 (2008).
• X.L. Wu, J. Narayan and Y.T. Zhu, “Deformation Twin Formed by Self-Thickening, Cross-Slip Mechanism in Nanocrystalline Ni,” Appl. Phys. Lett. 93, 031910 (2008).
• X.L. Wu and Y.T. Zhu, "Inverse Grain-Size Effect on Twinning in Nanocrystalline Ni," Phys. Rev. Lett. 101, 025503 (2008).
• J. Narayan and Y.T. Zhu, “Self-Thickening, Cross-Slip Deformation Twinning Model,” Appl. Phys. Lett. 92, 151908 (2008).
• X.L. Wu, X.Z. Liao, S.G. Srinivasan, F. Zhou, E.J. Lavernia, R.Z. Valiev, and Y.T. Zhu, “New Deformation Twinning Mechanism Generates Zero Macro-strain in Nanocrystalline Metals,” Phys. Rev. Lett. 100, 095701 (2008).
• Y.H. Zhao, J.F. Bingert, Y.T. Zhu, X.Z. Liao, R.Z. Valiev, Z. Horita, T.G. Langdon, Y.Z. Zhou, and E.J. Lavernia, “Tougher Ultrafine-Grain Cu via High-Angle Grain Boundaries and Low Dislocation Density,” Appl. Phys. Lett. 92, 081903 (2008).
• X.L. Wu, Y. Qi, and Y.T. Zhu, “Partial-Mediated Slips in Nanocrystalline Ni at High Strain rate,” Appl. Phys. Lett. 90, 221911 (2007).
• Y.H. Zhao, J.F. Bingert, X.Z. Liao, B.Z. Cui, K. Han, A.V. Sergueeva, A.K. Mukherjee, R.Z. Valiev, T.G. Langdon, and Y.T. Zhu, “Simultaneously Elevating the Ductility and Strength of Ultrafine-Grained Pure Cu,” Adv. Mater. 18, 2949-2953 (2006).
  
• Y.H. Zhao, Y.T. Zhu, X.Z. Liao, Z. Horita, and T.G. Langdon, “Tailoring Stacking Fault Energy for High Ductility and High Strength in Ultrafine Grained Cu and its Alloy,” Appl. Phys. Lett. 89, 121906 (2006).
• Y.H. Zhao, X.Z. Liao, S. Cheng, E. Ma and Y.T. Zhu, “Simultaneously Increasing the Ductility and Strength of Nanostructured Alloys,” Advanced Mater. 18, 2280-2283 (2006).
• X. Wu and Y.T. Zhu, “Partial-Dislocation-Mediated Processes in Nanocrystalline Ni with Non-Equilibrium Grain Boundaries,” Appl. Phys. Lett. 89, 031922 (2006).
• X. Wu, Y.T. Zhu, and E. Ma, “Prediction for Partial-Dislocation-Mediated Processes in Nanocrystalline Ni by Generalized Planar Fault Energy: An Experimental Evaluation,” Appl. Phys. Lett. 88, 121905 (2006).
• V.V. Stolyarov, R.Z. Valiev, and Y.T. Zhu, “Enhanced Low Temperature Impact Toughness of Nanostructured Ti,” Appl. Phys. Lett. 88, 041905 (2006).
• X.Z. Liao, R.Z. Valiev, H.S. Gao, X.D. Li, A.K. Mukherjee, J.F. Bingert, Y.T. Zhu, “High-Pressure Torsion Induced Grain Growth in Electrodeposited Nanocrystalline Ni,” Appl. Phys. Lett. 88, 021909 (2006).
• Y.T. Zhu, X.Z. Liao, S.G. Srinivasan, and E.J. Lavernia, “Nucleation of Deformation Twins in Nanocrystalline fcc Metals Processed by Severe Plastic Deformation,” J. Appl. Phys. 98, 034319 (2005).
• Y.T. Zhu, X.Z. Liao and R.Z. Valiev, “Formation Mechanism of Fivefold Deformation Twins in Nanocrystalline face-centered-cubic Metals,” Appl. Phys. Lett. 86, 103112 (2005).
• Y.T. Zhu, X.Z. Liao, Y.H. Zhao, S.G. Srinivasan, F. Zhou, E.J. Lavernia, “Nucleation and Growth of Deformation Twins in Nanocrystalline Aluminum,” Appl. Phys. Lett. 85, 5049-5051 (2004).
• Y.H. Zhao, X.Z. Liao, Z. Jin, R.Z. Valiev, and Y.T. Zhu, “Microstructure and Mechanical Properties of 7075 Al Alloy Processed by ECAP and Their Evolution during Annealing,” Acta Mater. 52, 4589-4599 (2004).
• X.Z. Liao, Y.H. Zhao, Y.T. Zhu, R.Z. Valiev, and D.V. Gunderov, “Grain Size Effect on the Deformation Mechanisms of Nanostructured Copper Processed by High-Pressure Torsion,” J. Appl. Phys. 96, 636-640 (2004).
• Y.T. Zhu and X.Z. Liao, “Nanostructured Metals: Retaining Ductility,” Nature Materials 3, 351-352 (2004).
• X.Z. Liao, S.G. Srinivasan, Y.H. Zhao, M.I. Baskes, Y.T. Zhu, F. Zhou, E.J. Lavernia, and H. Xu “Formation Mechanism of Wide Stacking Faults in Nanocrystalline Al,” Appl. Phys. Lett. 84, 3564-3566 (2004).
• X.Z. Liao, Y.H. Zhao, S.G. Srinivasan, Y.T. Zhu, R.Z. Valiev, and D.V. Gunderov, “Deformation Twinning in Nanocrystalline Copper at Room Temperature and Low Strain Rate” Appl. Phys. Lett. 84, 592-594 (2004).
• X.Z. Liao, F. Zhou, E.J. Lavernia, D.W. He, and Y.T. Zhu, “Deformation Twins in Nanocrystalline Al,” Appl. Phys. Lett. 83, 5062-5064 (2003).
• X.Z. Liao, F. Zhou, E.J. Lavernia, S.G. Srinivasan, M.I. Baskes, D.W. He, and Y.T. Zhu, “Deformation Mechanism in Nanocrystalline Al: Partial Dislocation Slip,” Appl. Phys. Lett. 83, 632-634 (2003).
• R.Z. Valiev, I.V. Alexandrov, Y.T. Zhu, T.C. Lowe, “Paradox of strength and ductility in metals processed by severe plastic deformation,” J. of Materials Research, 17, 5-8 (2002).