GAO, Y.// JIA, J.// LOEHMAN, R.E.// EWSUK, K.G. (SANDIA NATIONAL LABS., ALBUQUERQUE, NM (UNITED STATES)// NEW MEXICO INST. OF MINING AND TECHNOLOGY, SOCORRO, NM (UNITED STATES). DEPT. OF MATERIALS ENGINEERING)Sandia National Laboratories(Sandia National Laboratories)1994.