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Effect of Cold Rolling and Heat Treatment on the Mechanical Properties of GH4169 Alloy Sheet at Room Temperature
Zhang, Shi-Hong; Ye, Neng-Yong; Cheng, Ming; Song, Hong-Wu; Zhou, Hong-Wei; Wang, Ping-Bo; Cheng, M (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.; Cheng, M (reprint author), Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China.
2016
Source PublicationMETALS
ISSN2075-4701
Volume6Issue:1
AbstractThe mechanical properties of GH4169 alloy sheet after cold rolling (at 0%, 10%, 30%, 50% and 70%) and solid solution were investigated. The textures and Taylor factors were characterized using electron backscattering diffraction (EBSD). The fractions of delta phase were measured by X-ray diffraction. The contributions of delta phase, grain size, texture, and work hardening on the mechanical properties were also discussed. The results showed increases in the yield strength (YS) (0.2%) as well as the ultimate tensile strength (UTS) of GH4169 superalloy sheet after cold rolling, when rolling reduction was increased. In contrast, following solid solution treatment, YS and UTS were increased then subsequently decreased. The changes of yield strength of GH4169 superalloy were attributed to the texture and work hardening, followed by the grain refinement and precipitation of delta phase. When the rolling reduction was below 30%, the influence of delta phase was greater than grain refinement and when the rolling reduction was larger than 50%, the controversial results occur. The precipitation of delta phase promoted the improvement of yield strength, the relationship between the fraction of delta phase and improved yield strength satisfactory fit to the following equation: sigma(delta) = 15.9W(delta)+ 59.7.
description.department[zhang, shi-hong ; ye, neng-yong ; cheng, ming ; song, hong-wu] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [ye, neng-yong ; cheng, ming ; zhou, hong-wei ; wang, ping-bo] lanzhou univ technol, state key lab adv proc & recycling nonferrous met, lanzhou 730050, peoples r china
KeywordGh4169 Alloy Cold Rolling Mechanical Property Phase Fraction Heat Treatment
Subject AreaMaterials Science ; Metallurgy & Metallurgical Engineering
Funding Organizationfund of Special Inventive Fund of Science and Technology in Shenyang [F15-172-6-00]; State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology [SKLAB02014001]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75968
Collection中国科学院金属研究所
Corresponding AuthorCheng, M (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.; Cheng, M (reprint author), Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, Shi-Hong,Ye, Neng-Yong,Cheng, Ming,et al. Effect of Cold Rolling and Heat Treatment on the Mechanical Properties of GH4169 Alloy Sheet at Room Temperature[J]. METALS,2016,6(1).
APA Zhang, Shi-Hong.,Ye, Neng-Yong.,Cheng, Ming.,Song, Hong-Wu.,Zhou, Hong-Wei.,...&Cheng, M .(2016).Effect of Cold Rolling and Heat Treatment on the Mechanical Properties of GH4169 Alloy Sheet at Room Temperature.METALS,6(1).
MLA Zhang, Shi-Hong,et al."Effect of Cold Rolling and Heat Treatment on the Mechanical Properties of GH4169 Alloy Sheet at Room Temperature".METALS 6.1(2016).
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