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Microstructural evolution and mechanical properties of powder metallurgy Ti-6Al-4V alloy based on heat response
Guo, Ruipeng; Xu, Lei; Wu, Jie; Yang, Rui; Zong, Bernie Y.; lxu@imr.ac.cn
2015
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume639Pages:327-334
AbstractIn present work, powder metallurgy (PM) Ti-6Al-4V alloy was produced by hot isostatic pressing (HIPing) from gas atomized powder. Various HIPing conditions and heat treatments were used to investigate the heat response of PM Ti-6Al-4V alloy. The results show that the optimization of HIPing parameters is temperature from 920 to 940 degrees C, pressure over 120 MPa and holding for 3 h. The microstructure of powder compact changes significantly after different heat treatments, while there was no obvious difference in tensile properties. Temperature induced porosity (TIP) in powder compact occurred after annealing at 930 degrees C for 1 h plus aging. The TIP has no obvious effects on tensile, impact, and fracture toughness properties of powder compact, but the TIP has an adverse effect on fatigue property, especially at shorter fatigue lives. In order to eliminate the TIP in powder compact, several probable solutions were suggested for the application of titanium powder components. (C) 2015 Elsevier B.V. All rights reserved.
description.department[guo, ruipeng] northeastern univ, sch met & mat, shenyang 110819, peoples r china ; [guo, ruipeng ; xu, lei ; wu, jie ; yang, rui] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [zong, bernie y.] northeastern univ, minist educ, key lab anisotropy & texture mat, shenyang 110819, peoples r china
KeywordPowder Metallurgy Ti-6al-4v Hot Isostatic Pressing Mechanical Properties X-ray Tomography
Funding OrganizationHigh Technology Research and Development Program of China [2013AA031606]
Indexed Bysci
Language英语
WOS IDWOS:000357549200042
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74968
Collection中国科学院金属研究所
Corresponding Authorlxu@imr.ac.cn
Recommended Citation
GB/T 7714
Guo, Ruipeng,Xu, Lei,Wu, Jie,et al. Microstructural evolution and mechanical properties of powder metallurgy Ti-6Al-4V alloy based on heat response[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2015,639:327-334.
APA Guo, Ruipeng,Xu, Lei,Wu, Jie,Yang, Rui,Zong, Bernie Y.,&lxu@imr.ac.cn.(2015).Microstructural evolution and mechanical properties of powder metallurgy Ti-6Al-4V alloy based on heat response.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,639,327-334.
MLA Guo, Ruipeng,et al."Microstructural evolution and mechanical properties of powder metallurgy Ti-6Al-4V alloy based on heat response".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 639(2015):327-334.
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