sponsored by the Science Seminar Committee of the Materials Science Division of ASM International ; edited by R. J. Arsenault, J. R. Beeler, Jr., D. M. Esterling. sponsored by the Seminar Committee of the Materials Science Division of the American Society for Metals ; edited by George Krauss. sponsored by the Fluid Film Bearings Committee of the Lubrication Division, ASME ; edited by S. M. Rohde, P. E. Allaire, C. J. Maday. sponsored by the Seminar Committee of the Materials Science Division of the American Society for Metals in cooperation with the Metallurgical Society of AIME. sponsored by the Fracture Mechanics Committee of the Applied Mechanics Division, ASME ; edited by A. J. Rosakis, K. Ravi-Chandar, and Y. Rajapakse.