CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Study on Hot Deformation Behavior of TC4 Titanium Alloy
Lu, YL; Jiao, SH; Zhou, XT(周兴泰); Dong, AP
2012
Conference NameSymposium on Materials Processing and Interfaces from 141st TMS Annual Meeting and Exhibition
Source PublicationTMS 2012 141ST ANNUAL MEETING & EXHIBITION - SUPPLEMENTAL PROCEEDINGS, VOL 1: MATERIALS PROCESSING AND INTERFACES
Conference DateMAR 11-15, 2012
Conference PlaceOrlando, CA
AbstractHot compression deformation behavior of TC4 titanium alloy was studied on Thermecmaster-Z simulator in the temperature range 850 degrees C similar to 1150 degrees Cand strain rate range 0.5 s(-1)similar to 30s(-1). The results show that deformation temperature and strain rate both have significant influence on the flow stress. The flow stress decreases with the increase of deformation temperature, while increases with the increase of strain rate. The deformation mechanism of TC4 alloy exhibit dynamic recovery feature in high temperature. However, in lower temperature, dynamic recrystallization and grain boundary slip behavior may take place. Deformation activation energy values are 863.46 kJ/mol in (alpha + beta) phase region, and 209.80 kJ/mol in beta region respectively. Constitutive equations of TC4 alloy described by Zener-Hollomon parameter were formulated. Therefore, a scientific basis is provided for the reasonable choice of thermal parameters of TC4 titanium alloy.
ISBN978-1-118-35607-4
Indexed BySCI
Funding Project应物所课题组
Language英语
Document Type会议论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13426
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Lu, YL,Jiao, SH,Zhou, XT,et al. Study on Hot Deformation Behavior of TC4 Titanium Alloy[C],2012.
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