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Abnormal deformation behavior and particle distribution during hot compression of fine-grained 14 vol% SiCp/2014Al composite
Huang, ZY; Zhang, XX; Yang, C; Xiao, BL; Ma, ZY; Xiao, BL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2018-04-30
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume743Pages:87-98
AbstractThe compressive deformation behavior of an extruded 14 vol% SiCp/2014Al composite fabricated by stir casting was investigated at temperatures of 355-495 degrees C and strain rates of 0.001-1 s(-1). An abnormal variation of flow stress with temperature was observed at low strain rates. This anomalous behavior was attributed to abnormal grain growth in the matrix alloy above a critical temperature, resulting in higher deformation resistance of the composite at elevated temperatures. Furthermore, the effect of the compression parameters on the particle distribution was investigated by the marked trace lines. It was indicated that after hot deformation, the particle free bands (PFBs) were commonly observed in the hard-to-deform region and shear deformation region. Increasing temperature and strain rate hardly improved particle distribution uniformity, while large compressive strain could eliminate the PFBs. (c) 2018 Elsevier B.V. All rights reserved.; The compressive deformation behavior of an extruded 14 vol% SiCp/2014Al composite fabricated by stir casting was investigated at temperatures of 355-495 degrees C and strain rates of 0.001-1 s(-1). An abnormal variation of flow stress with temperature was observed at low strain rates. This anomalous behavior was attributed to abnormal grain growth in the matrix alloy above a critical temperature, resulting in higher deformation resistance of the composite at elevated temperatures. Furthermore, the effect of the compression parameters on the particle distribution was investigated by the marked trace lines. It was indicated that after hot deformation, the particle free bands (PFBs) were commonly observed in the hard-to-deform region and shear deformation region. Increasing temperature and strain rate hardly improved particle distribution uniformity, while large compressive strain could eliminate the PFBs. (c) 2018 Elsevier B.V. All rights reserved.
description.department[huang, z. y. ; zhang, x. x. ; yang, c. ; xiao, b. l. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [huang, z. y. ; yang, c.] univ sci & technol china, sch mat sci & engn, 72 wenhua rd, shenyang 110016, liaoning, peoples r china
KeywordFatigue Crack-growth Mechanical-properties Microstructure Evolution Matrix Microstructure Processing Maps Aluminum-alloy Yield Stress Al Composite Creep Temperature
Subject AreaChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Key R & D Program of China [2017YFB0703104]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79350
Collection中国科学院金属研究所
Corresponding AuthorXiao, BL (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Huang, ZY,Zhang, XX,Yang, C,et al. Abnormal deformation behavior and particle distribution during hot compression of fine-grained 14 vol% SiCp/2014Al composite[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,743:87-98.
APA Huang, ZY,Zhang, XX,Yang, C,Xiao, BL,Ma, ZY,&Xiao, BL .(2018).Abnormal deformation behavior and particle distribution during hot compression of fine-grained 14 vol% SiCp/2014Al composite.JOURNAL OF ALLOYS AND COMPOUNDS,743,87-98.
MLA Huang, ZY,et al."Abnormal deformation behavior and particle distribution during hot compression of fine-grained 14 vol% SiCp/2014Al composite".JOURNAL OF ALLOYS AND COMPOUNDS 743(2018):87-98.
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