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Temperature dependence of tensile properties and deformation behaviors of nickel-base superalloy M951G
Cui, Luqing; Su, Huhu; Yu, Jinjiang; Liu, Jinlai; Jin, Tao; Sun, Xiaofeng; Yu, JJ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2017-06-01
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume696Pages:323-330
AbstractTensile behaviors of M951G alloy have been studied from 20 degrees C to 1100 degrees C. It shows that the higher W and Hf additions enhance the tensile strength of M951G alloy greatly compared to M951 alloy from RT to 800 degrees C, which has been analyzed from the points of deformation microstructures, the strong effect of solid solution strengthening and precipitation strengthening in detail. The continuous stacking faults present in the microstructures at low temperatures, which have a significant influence on work hardening and rarely been reported in the traditional casting superalloy previously. The primary deformation mechanisms include shearing of the gamma' precipitates by a/2<110> dislocations below 600 degrees C and by-passing of gamma' precipitates by a/2<010> matrix dislocations above 900 degrees C. At intermediate temperatures, it shows a transition from shearing to by-passing. At last, the relationship between tensile properties and microstructures has been reasonably explained.; Tensile behaviors of M951G alloy have been studied from 20 degrees C to 1100 degrees C. It shows that the higher W and Hf additions enhance the tensile strength of M951G alloy greatly compared to M951 alloy from RT to 800 degrees C, which has been analyzed from the points of deformation microstructures, the strong effect of solid solution strengthening and precipitation strengthening in detail. The continuous stacking faults present in the microstructures at low temperatures, which have a significant influence on work hardening and rarely been reported in the traditional casting superalloy previously. The primary deformation mechanisms include shearing of the gamma' precipitates by a/2<110> dislocations below 600 degrees C and by-passing of gamma' precipitates by a/2<010> matrix dislocations above 900 degrees C. At intermediate temperatures, it shows a transition from shearing to by-passing. At last, the relationship between tensile properties and microstructures has been reasonably explained.
description.department[cui, luqing ; su, huhu ; yu, jinjiang ; liu, jinlai ; jin, tao ; sun, xiaofeng] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china ; [cui, luqing ; su, huhu] univ sci & technol china, sch mat sci & engn, hefei 230026, anhui, peoples r china
KeywordM951g Alloy Tensile Behaviors Continuous Stacking Faults Microstructures
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China (NSFC) [50931004, 51571196]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78095
Collection中国科学院金属研究所
Corresponding AuthorYu, JJ (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Cui, Luqing,Su, Huhu,Yu, Jinjiang,et al. Temperature dependence of tensile properties and deformation behaviors of nickel-base superalloy M951G[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2017,696:323-330.
APA Cui, Luqing.,Su, Huhu.,Yu, Jinjiang.,Liu, Jinlai.,Jin, Tao.,...&Yu, JJ .(2017).Temperature dependence of tensile properties and deformation behaviors of nickel-base superalloy M951G.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,696,323-330.
MLA Cui, Luqing,et al."Temperature dependence of tensile properties and deformation behaviors of nickel-base superalloy M951G".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 696(2017):323-330.
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