新型钴基高温合金中<strong>W</strong>元素对蠕变组织和性能的影响

新型钴基高温合金中W元素对蠕变组织和性能的影响

陈佳, 郭敏, 杨敏, 刘林, 张军

Effects of W Concentration on Creep Microstructure and Property of Novel Co-Based Superalloys

CHEN Jia, GUO Min, YANG Min, LIU Lin, ZHANG Jun

表1 γ、γ'两相弹性常数

Table 1 Elastic constants of γ and γ' phases for Co-9Al-xW (x = 8, 9, 10; atomic fraction, %) alloys

Alloy	Elastic constant of γ / GPa			Elastic constant of γ' / GPa
	$C_{11}^{m}$	$C_{12}^{m}$	$C_{44}^{m}$	$C_{11}^{p}$	$C_{12}^{p}$	$C_{44}^{p}$
Co-9Al-8W (8W)	315	209	160	361	190	212
Co-9Al-9W (9W)	316			363
Co-9Al-10W (10W)	317			364