<strong>Ta</strong>含量对镍基粉末高温合金高温蠕变变形行为和性能的影响

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Ta含量对镍基粉末高温合金高温蠕变变形行为和性能的影响

杨志昆, 王浩, 张义文, 胡本芙

Effect of Ta Content on High Temperature Creep Deformation Behaviors and Properties of PM Nickel Base Superalloys

YANG Zhikun, WANG Hao, ZHANG Yiwen, HU Benfu

表2 镍基粉末高温合金蠕变数据

Table 2 Creep data of PM nickel base superalloys

Allloy	σ_max / %	$\dot{ε}$ / %	T_s / h	T_f / h
0%Ta	3.3692	0.0094	75	139.8236
1.2%Ta	4.9896	0.0067	160	278.6950
2.4%Ta	4.2808	0.0066	240	370.0900
3.6%Ta	1.5652	0.0043	165	250.1142
4.8%Ta	0.3028	0.0036	80	85.9078