1. A. Mitchell, Superalloys 718, 625 and Various Derivatives (Warrendale, PA: TMS, 1991), pp. 15–25.
2. A. Mitchell, Superalloy 718 Metallurgy and Applications (Warrendale, PA: TMS, 1990), pp. 1–17.
3. R.D. Kissinger, Eleclron Beam Melling and Refining: Stale of Ihe Art 1991 (Englewood, NJ: Bakish Materials Corporation, 1992).
4. K. M. Chang, M.F. Henry, and M.G, Benz, “Metallurgical Control of Fatigue Crack Propagation in Superalloys,” TOM, 42 (12) (1990), pp. 29–35.
5. K. M. Chang, in Ref. 1, pp. 447–456.