镍基铸造高温合金等轴晶凝固成形技术的研究和进展

张军,介子奇,黄太文,杨文超,刘林,傅恒志

Research and Development of Equiaxed Grain Solidification and Forming Technology for Nickel-Based Cast Superalloys

Jun ZHANG,Ziqi JIE,Taiwen HUANG,Wenchao YANG,Lin LIU,Hengzhi FU

表1 高温合金细化剂^{[62,63,64,65,66]}

Table 1 The refiners used in superalloys^{[62,63,64,65,66]}

Refiner	Crystal structure	a / nm	Alloy	Ref.
Co₂AlO₄	fcc	0.8130	IN713, K4169	[62]
NiAlTi	fcc		K4169, K403	[63]
TiN	fcc	0.4187	K403, K4169	[64]
TiB	fcc	0.4187	IN713, MAR-M246	[65]
WO₂	fcc		Nimonic	[65]
Ni₃Al	fcc	0.3561	IN718, IN713	[65]
NbC	bcc	0.4471	IN718, IN713	[65]
Ni-W-10Y₂O₃	bcc	1.060	Ni(Fe)-W	[66]