IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)
Alternative TitleEffect of Ta on As-cast Microstructure and Segregation of Ni-base Single Crystal Superalloy
孙跃军; 葛艳辉; 林陌思; 张军
Source Publication热加工工艺
Other AbstractThe Ni-base superalloys with different Ta contents were prepared by using screw selecting crystal method,its as-cast microstructure and elements segregation of the alloys were investigated.The results show that the as-casting microstructure consists of dendrites,the γ′ in inter-dendrite is larger and that in dendrite is smaller.The dendrite distance is effected by Ta content,with the increase of Ta,the dendrite distance decreases,Mo segregation in inter-dendrite zone and the segregation coefficient increases.The morphology and size of γ′ phase is effected by the addition of Ta,with the increase of Ta content,the γ′ changes from ellipse to squareness,in the meantime the mismatch degree of the alloy increases. 更多
Keyword镍基单晶合金 枝晶 偏析 错配度
Subject Area力学
Indexed ByCSCD
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author孙跃军
Recommended Citation
GB/T 7714
孙跃军,葛艳辉,林陌思,等. Ta对镍基单晶合金铸态组织和偏析的影响[J]. 热加工工艺,2011,40(21):29-32.
APA 孙跃军,葛艳辉,林陌思,&张军.(2011).Ta对镍基单晶合金铸态组织和偏析的影响.热加工工艺,40(21),29-32.
MLA 孙跃军,et al."Ta对镍基单晶合金铸态组织和偏析的影响".热加工工艺 40.21(2011):29-32.
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