Microstructure evolution in a Ni-Mo-Cr superalloy subjected to simulated heat-affected zone thermal cycle with high peak temperature
Yang, JG; He, YM; Qin, CJ; Zhao, WJ; Chen, SJ; Gao, ZL; Yang, JG (reprint author), Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310014, Zhejiang, Peoples R China.
2015
发表期刊MATERIALS & DESIGN
ISSN0261-3069
卷号86页码:230—236
文章类型期刊文献
摘要A typical Ni-Mo-Cr superalloy with basic composition of Ni-17Mo-7Cr (wt.%) was fabricated and the relationship between the microstructure and mechanical properties while it underwent simulated heat-affected zone thermal cycle (HAZ) treatment was investigated. The results show that the Ni-Mo-Cr alloy was mainly made up of Ni based solid solution and MoC carbides. The critical peak temperature that a unique lamellar-like structure occurred in the alloy was found to be 1300 degrees C, and they were firstly determined to be Ni matrix and carbides (MoC and chromium carbides) generated through local melting. Due to the formation of unique structure, the alloy exposed to HAZ thermal cycle with a peak temperature of 1300 degrees C could still maintain excellent high-temperature mechanical performance. The work carried out here will provide valuable guidelines in designing and applying the Ni-Mo-Cr series superalloys. (C) 2015 Elsevier Ltd. All rights reserved.
关键词Mechanical-properties Ni-21cr-17mo Alloy Behavior Precipitation Exposure
语种英语
WOS记录号WOS:000362862700031
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/24990
专题中科院上海应用物理研究所2011-2018年
通讯作者Yang, JG (reprint author), Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310014, Zhejiang, Peoples R China.
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Yang, JG,He, YM,Qin, CJ,et al. Microstructure evolution in a Ni-Mo-Cr superalloy subjected to simulated heat-affected zone thermal cycle with high peak temperature[J]. MATERIALS & DESIGN,2015,86:230—236.
APA Yang, JG.,He, YM.,Qin, CJ.,Zhao, WJ.,Chen, SJ.,...&Yang, JG .(2015).Microstructure evolution in a Ni-Mo-Cr superalloy subjected to simulated heat-affected zone thermal cycle with high peak temperature.MATERIALS & DESIGN,86,230—236.
MLA Yang, JG,et al."Microstructure evolution in a Ni-Mo-Cr superalloy subjected to simulated heat-affected zone thermal cycle with high peak temperature".MATERIALS & DESIGN 86(2015):230—236.
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