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Correction of Flow Curves and Constitutive Modelling of a Ti-6Al-4V Alloy
Hu, Ming1,2; Dong, Limin2; Zhang, Zhigiang2; Lei, Xiaofei2; Yang, Rui2; Sha, Yuhui1
Corresponding AuthorDong, Limin(lmdong@imr.ac.cn)
2018-04-01
Source PublicationMETALS
ISSN2075-4701
Volume8Issue:4Pages:15
AbstractIsothermal uniaxial compressions of a Ti-6Al-4V alloy were carried out in the temperature range of 800-1050 degrees C and strain rate range of 0.001-1 s(-1). The effects of friction between the specimen and anvils as well as the increase in temperature caused by the high strain rate deformation were considered, and flow curves were corrected as a result. Constitutive models were discussed based on the corrected flow curves. The correlation coefficient and average absolute relative error for the strain compensated Arrhenius-type constitutive model are 0.986 and 9.168%, respectively, while the values for a modified Johnson-Cook constitutive model are 0.924 and 22.673%, respectively. Therefore, the strain compensated Arrhenius-type constitutive model has a better prediction capability than a modified Johnson-Cook constitutive model.
KeywordTi-6Al-4V alloy isothermal compression test correction of flow curves constitutive model
DOI10.3390/met8040256
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000434882800059
PublisherMDPI
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128597
Collection中国科学院金属研究所
Corresponding AuthorDong, Limin
Affiliation1.Northeastern Univ, Sch Mat Sci & Engn, 3 Wenhua Rd, Shenyang 110819, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Hu, Ming,Dong, Limin,Zhang, Zhigiang,et al. Correction of Flow Curves and Constitutive Modelling of a Ti-6Al-4V Alloy[J]. METALS,2018,8(4):15.
APA Hu, Ming,Dong, Limin,Zhang, Zhigiang,Lei, Xiaofei,Yang, Rui,&Sha, Yuhui.(2018).Correction of Flow Curves and Constitutive Modelling of a Ti-6Al-4V Alloy.METALS,8(4),15.
MLA Hu, Ming,et al."Correction of Flow Curves and Constitutive Modelling of a Ti-6Al-4V Alloy".METALS 8.4(2018):15.
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