Research Interests
Multiphase and composite materials, particularly their thermal expansion behavior, elastic properties, lamination stresses and strength and failure modes; thermal stress and thermal expansion in materials and devices; x-ray diffraction; nuclear reactor materials.
Education
Ph.D. Metallurgical Engineering, University
of Sheffield, England 1953
B.S. Chemical Engineering, Cairo University 1947
Background and Research
Fahmy's research in recent years has focused on multiphase and composite materials. The elastic, strength and thermal expansion behavior of these materials was studied experimentally and theoretically. The theoretical work included rigorous analysis as well as finite element analysis. Most of the composites studied were fiber-reinforced composites and most of these had polymer matrices. In particular, the thickness properties of fiber-reinforced laminates that are often ignored were carefully studied. More recently, three dimensionally reinforced composites with woven or braided fiber preforms were characterized and their properties related to the preform architecture. In addition, studies were conducted on numerous related aspects of composite materials, such as their wear behavior in three-dimensional space, the effects of thermal shock and hydrothermal cycling and tolerance to low and medium energy impacts.
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