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The role of phosphorus in a newly developed Ni-Fe-Cr-based wrought superalloy
Guan, Shuai; Cui, Chuanyong; Yuan, Yong; Gu, Yuefeng; Cui, CY (reprint author), Chinese Acad Sci, Inst Met Res, Superalloys Div, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-04-26
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume662Pages:275-282
AbstractThe influence of phosphorus on the microstructures and mechanical properties of a newly developed Ni-Fe-Cr-based wrought superalloy (named as HT700 alloy) for ultra-supercritical power plant applications beyond 700 degrees C was investigated. Results showed that adding phosphorus significantly prolonged the creep rupture life but had little influence on the yield strength of HT700 alloy when phosphorus content ranged from 0.002 to 0.027 wt%. Meanwhile, intergranular failure mode dominated in all creep ruptured samples while transgranular failure was the main feature in the tensile tested samples. The effects of adding phosphorus on the nucleation and growth behavior of intergranular M23C6 carbides were found to be the main mechanism responsible for the difference. (C) 2016 Elsevier B.V. All rights reserved.
description.department[guan, shuai ; cui, chuanyong] chinese acad sci, inst met res, superalloys div, 72 wenhua rd, shenyang 110016, peoples r china ; [yuan, yong ; gu, yuefeng] xian thermal power res inst co ltd, xingqing rd 136, xian 710032, peoples r china
KeywordWrought Superalloy Phosphorus Grain Boundary Precipitation Stress Rupture Life Ultra-supercritical
Subject AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
Funding OrganizationHigh Technology Research and Development Program of China [2014AA041701]; National Natural Science Foundation of China (NSFC) [51171179, 51271174, 51331005, 11332010]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75904
Collection中国科学院金属研究所
Corresponding AuthorCui, CY (reprint author), Chinese Acad Sci, Inst Met Res, Superalloys Div, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Guan, Shuai,Cui, Chuanyong,Yuan, Yong,et al. The role of phosphorus in a newly developed Ni-Fe-Cr-based wrought superalloy[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2016,662:275-282.
APA Guan, Shuai,Cui, Chuanyong,Yuan, Yong,Gu, Yuefeng,&Cui, CY .(2016).The role of phosphorus in a newly developed Ni-Fe-Cr-based wrought superalloy.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,662,275-282.
MLA Guan, Shuai,et al."The role of phosphorus in a newly developed Ni-Fe-Cr-based wrought superalloy".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 662(2016):275-282.
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