Investigation on the dissolution of η phase in a cast Ni-based superalloy

查看全文 作　　者：M.R. [1,2]Jahangiri;H. [1,3]Arabi;S.M.A. [1,3]Boutorabi

机构地区：[1]School of Metallurgy and Materials Engineering, Iran University of Science and Technology;[2]Metallurgy Department, Niroo Research Institute;[3]Center of Excellence for Advanced Materials & Processing, Iran University of Science and Technology

出　　处：《International Journal of Minerals,Metallurgy and Materials》索引2013年第20卷第1期,共7页

摘　　要：The dissolution behavior of η phase has been investigated in a cast Ni-based superalloy. The results showed that the platelets and blocks of η phase were formed within the interdendritic regions of the microstructure. Applying standard solution annealing at 1150-1160°C for a period of 4 h did not result in the complete dissolution of η phase. For the complete dissolution of η phase without residual incipient melting, a 2-step solution annealing has been recommended. After dissolution at high temperatures, the η phase transforms to two MC-type carbides: one is enriched in Ti, Nb, and Ta, and the other is of (Zr,Ti)C type. 关键词：铸造镍基高温合金 TI MC型碳化物溶解行为血小板无残留相转变退火

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Investigation on the dissolution of η phase in a cast Ni-based superalloy

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耦合文献(2)

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