1. Z. Mei and J. W. Morris, Jr., Met. Trans. A 21A, 3137 (1990).
2. R. L. Tobler and R. P. Reed, J. test. Eval. 12-6, 364 (1984).
3. J. K. Kwon, H. J. Lee, Y. J. Kim, and S. S. Kim, J. Kor. Inst. Met. Mater. 49, 774 (2011).
4. J. W. Morris, J. W. Chan, and Z. Mei, presented at the Fourteenth International Cryogenic Engineering Conference and International Cryogenic Materials Conference, Kiev, UKR (1992).
5. D. Y. Ryoo, S. C. Lee, Y. D. Lee, and J. Y. Kang, J. Kor. Inst. Met. Mater. 39, 1381 (2001).