ZHENG Yunrong
,
WANG Luobao
,
LI Chenggong Institute of Aeronautical Naterials
,
Beijing
,
China. To whom correspondence should be addressed.
材料科学技术（英文）
Hf lowers the incipient melting temperature of superalloy. As carbon content in Hf-bearing alloy decreases, the incipient melting temperature drops furthey. PD ingots have stronger tendency to incipient melting than HRS ones. Even though in PD ingot, the sensitivities at both ends of the ingot are q...
关键词:
DS superalloy
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