1. R. Hammer: General Motors Research Laboratories, Warren, MI, personal communication, 1987.
2. V. Dantam and H. Gu: General Motors Research Report PC-354, June 23, 1987.
3. J.F. Cole and F.E. Goodwin:J. Met., 1990, vol. 42(6 pp. 41–43.
4. J.D. Verhoeven, S.C. Chueh, and E.D. Gibson:J. Mater. Sci., 1989, vol. 24, pp. 1748–52.
5. S. Shah, R.N. Grugel, and B.D. Lichter:Metall. Trans. A, 1988, vol. 19A, pp. 2677–80.