CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Characterization of the Ni-Mo-Cr superalloy subjected to simulated heat-affected zone thermal cycle treatment
He, YM; Yang, JG; Qin, CJ; Chen, SJ; Gao, ZL
2015
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
Volume643Pages:7—16
Subtype期刊文献
AbstractA representative Ni-Mo-Cr superalloy with basic composition of Ni-17Mo-7Cr (wt.%) was fabricated in the work and the relationship between the microstructure and mechanical properties while it went through simulated heat-affected zone (HAZ) thermal cycle treatment was investigated. The results reveal that the Ni-Mo-Cr alloy mainly consisted of Ni matrix and MoC carbides. The critical peak temperature that a lamellar-like structure occurred in the alloy was found to be 1300 degrees C. These products were firstly characterized by transmission electron microscope (TEM) and high resolution transmission electron microscope (HRTEM) analysis, and they were essentially Ni matrix and carbides (MoC and chromium carbides) generated through local melting. The equivalent mechanical properties of the alloy relative to that of un-treated alloy were received owing to its unique architecture even the peak temperature during thermal cycle was up to 1350 degrees C. The results obtained suggests these lamellar-like products dispersed near the fusion line in a Ni-Mo-Cr welded joint will not influence the joint's mechanical strength and stability while the peak temperature in the HAZ was adjusted below 1350 degrees C, providing valuable guideline in designing and applying the Ni-Mo-Cr system superalloys. (C) 2015 Elsevier B.V. All rights reserved.
KeywordMechanical-properties Hastelloy C-276 Ni-21cr-17mo Alloy Microstructure Precipitation Metal Temperature Composites Resistance Behaviors
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24409
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
He, YM,Yang, JG,Qin, CJ,et al. Characterization of the Ni-Mo-Cr superalloy subjected to simulated heat-affected zone thermal cycle treatment[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2015,643:7—16.
APA He, YM,Yang, JG,Qin, CJ,Chen, SJ,&Gao, ZL.(2015).Characterization of the Ni-Mo-Cr superalloy subjected to simulated heat-affected zone thermal cycle treatment.JOURNAL OF ALLOYS AND COMPOUNDS,643,7—16.
MLA He, YM,et al."Characterization of the Ni-Mo-Cr superalloy subjected to simulated heat-affected zone thermal cycle treatment".JOURNAL OF ALLOYS AND COMPOUNDS 643(2015):7—16.
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