IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)
Alternative TitleEffect of Al Content on Microstructure and Stress Rupture Properties of Nickel Based Single Crystal Superalloy
孙跃军; 葛艳辉; 张军
Source Publication热加工工艺
Other AbstractThe effects of Al content on the microstructure of as-cast and heat treatment specimens were investigated.The stress rupture of the alloy at high temperature was measured and the microstructure of stress rupture specimens was observed by SEM,EDS,and XRD.The results show that the as-cast microstructure of the alloy is composed of coarsening γ’,fine γ’ and γ.With the increase of Al content,the more coarsening γ’ appears in the alloy and cannot be dissolved into γ matrix completely during solid solution heat-treating.The observation of microstructure indicates that the micro-cracks occur mainly at the coarsening γ’/γ interface during stress rupturing measuring and extends along γ’/γ interface,all these are harmful to the high temperature properties of the alloy
Keyword镍基单晶合金 铝含量 显微组织 持久性能
Subject Area力学
Indexed ByCSCD
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Document Type期刊论文
Corresponding Author孙跃军
Recommended Citation
GB/T 7714
孙跃军,葛艳辉,张军. Al含量对镍基单晶合金组织及持久性能的影响[J]. 热加工工艺,2011,40(2):40-43.
APA 孙跃军,葛艳辉,&张军.(2011).Al含量对镍基单晶合金组织及持久性能的影响.热加工工艺,40(2),40-43.
MLA 孙跃军,et al."Al含量对镍基单晶合金组织及持久性能的影响".热加工工艺 40.2(2011):40-43.
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