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Effect of Nb on delta Phase Precipitation and the Tensile Properties in Cast Alloy IN625
Mu, YQ; Wang, CS; Zhou, WL; Zhou, LZ; Zhou, LZ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2018-02-01
Source PublicationMETALS
ISSN2075-4701
Volume8Issue:2Pages:-
AbstractCast alloy IN625 is a candidate Ni-base alloy for advanced ultra-supercritical (A-USC) power plants. The aim of this study was to investigate the influences of Nb on delta phase precipitation and the tensile properties in this alloy. The results show that the delta phase is easy to precipitate after long-term aging at 700 degrees C (the service temperature of A-USC power plants) and it is strongly affected by the content of Nb in the alloy. The strength of alloys after aging at 700 degrees C for 10,000 h increases with the increasing Nb content and also increases sharply when compared to that of as-heat-treated alloys. The increase in strength is found to be primarily associated with the precipitation of the delta phase.; Cast alloy IN625 is a candidate Ni-base alloy for advanced ultra-supercritical (A-USC) power plants. The aim of this study was to investigate the influences of Nb on delta phase precipitation and the tensile properties in this alloy. The results show that the delta phase is easy to precipitate after long-term aging at 700 degrees C (the service temperature of A-USC power plants) and it is strongly affected by the content of Nb in the alloy. The strength of alloys after aging at 700 degrees C for 10,000 h increases with the increasing Nb content and also increases sharply when compared to that of as-heat-treated alloys. The increase in strength is found to be primarily associated with the precipitation of the delta phase.
description.department[mu, yiqiang ; zhou, wenlong] dalian univ technol, sch mat sci & engn, dalian 116024, peoples r china ; [mu, yiqiang ; wang, changshuai ; zhou, lanzhang] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china
KeywordInconel 625 Power-plants Degrees-c Superalloys Temperature Behavior Metal
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51571191]; National Energy Administration Program of China [NY20150102]; National Key Research and Development Program of China [2017YFB0305204]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79525
Collection中国科学院金属研究所
Corresponding AuthorZhou, LZ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Mu, YQ,Wang, CS,Zhou, WL,et al. Effect of Nb on delta Phase Precipitation and the Tensile Properties in Cast Alloy IN625[J]. METALS,2018,8(2):-.
APA Mu, YQ,Wang, CS,Zhou, WL,Zhou, LZ,&Zhou, LZ .(2018).Effect of Nb on delta Phase Precipitation and the Tensile Properties in Cast Alloy IN625.METALS,8(2),-.
MLA Mu, YQ,et al."Effect of Nb on delta Phase Precipitation and the Tensile Properties in Cast Alloy IN625".METALS 8.2(2018):-.
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