5ZHU Y X, ZHANG S N, ZHANG T X, ZHANG J H, HU Z Q, XIE X S, SHI C X. A new way to improve the superalloy[C]// Superalloys 1992. New York: The Minerals, Metals & Materials Society, 1992: 145-154.
6SUN W R, GUO S R, LU D Z, HU Z Q. Effect of sulfur on the solidification and segregation in Inconel 718 alloy[J]. Materials Letters, 1997, 31(6): 195-200.
7WANG A C, LI Y Y, FAN C G, YANG K, LID F, ZHAO X, SHI C X. Effect of P and Si(Mn) on the solidification segregation in an iron-based superalloy[J]. Scripta Metallurgica et Materialia, 1994, 31(12): 1695-1700.
8ZHENG L, GU C Q, ZHENG solidification behavior of a new superalloy with high W content[J]. 435-439. Y R. Investigation of the Ru-containing cast Ni-base Scripta Materialia, 2004, 50:
9D'SOUZA N, DONG H B. Solidification path in third-generation Ni-based superalloys, with an emphasis on last stage solidification[J]. Scripta Materialia, 2007, 56(1): 41-44.
10LI D, COSANDEY F, MAURER G E, FOOTE R, TIEN J K. Understanding the role of cerium during VIM refining of nickel-chromium and nickel-iron alloys[J]. Metallurgical Transactions B, 1982, 13(12): 603-611.
