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A method based on semi-solid forming for eliminating Laves eutectic phase of INCONEL 718 alloy
Guo, Yifeng; Sun, Mingyue; Xu, Bin; Li, Dianzhong; Sun, MY (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2017-11-01
Source PublicationELSEVIER SCIENCE SA
ISSN0924-0136
Volume249Pages:202-211
AbstractAn energy efficient method called deformation and holding process (DHP) in two phase region, which applied for eliminating the harmful Laves eutectic (LE) phase of INCONEL 718 (IN718) was proposed based on semi-solid forming technology. To verify its feasibility, the effects of solid-liquid fraction and isothermal holding on formation of LE and the microstructure of the deformed alloys were investigated experimentally. LE can be eliminated and the microstructure is refined when deformation and holding were carried out at the end of solidification. The fraction of the LE decreases from about 10.8% in the as-cast specimens to 2.53% in the deformed specimens (0.1/s 50% compression at 1700 degrees C following 2 min isothermal holding process).; An energy efficient method called deformation and holding process (DHP) in two phase region, which applied for eliminating the harmful Laves eutectic (LE) phase of INCONEL 718 (IN718) was proposed based on semi-solid forming technology. To verify its feasibility, the effects of solid-liquid fraction and isothermal holding on formation of LE and the microstructure of the deformed alloys were investigated experimentally. LE can be eliminated and the microstructure is refined when deformation and holding were carried out at the end of solidification. The fraction of the LE decreases from about 10.8% in the as-cast specimens to 2.53% in the deformed specimens (0.1/s 50% compression at 1700 degrees C following 2 min isothermal holding process).
description.department[guo, yifeng ; sun, mingyue ; xu, bin ; li, dianzhong] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [guo, yifeng] univ chinese acad sci, 19 yuquan rd, beijing 100049, peoples r china
KeywordInconel 718 Semi-solid Forming Laves Eutectic Microstructure
Subject AreaEngineering, Industrial ; Engineering, Manufacturing ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China [U1508215]; National Key Research and Development Program [2016YFB0300401]; Liaoning BaiQianWan Talents Program [[2015] 12]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79025
Collection中国科学院金属研究所
Corresponding AuthorSun, MY (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Guo, Yifeng,Sun, Mingyue,Xu, Bin,et al. A method based on semi-solid forming for eliminating Laves eutectic phase of INCONEL 718 alloy[J]. ELSEVIER SCIENCE SA,2017,249:202-211.
APA Guo, Yifeng,Sun, Mingyue,Xu, Bin,Li, Dianzhong,&Sun, MY .(2017).A method based on semi-solid forming for eliminating Laves eutectic phase of INCONEL 718 alloy.ELSEVIER SCIENCE SA,249,202-211.
MLA Guo, Yifeng,et al."A method based on semi-solid forming for eliminating Laves eutectic phase of INCONEL 718 alloy".ELSEVIER SCIENCE SA 249(2017):202-211.
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