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Tensile behavior of Ti-22Al-24Nb-0.5Mo in the range 25-650 degrees C
Zhao, Hongze; Lu, Bin; Tong, Min; Yang, Rui; Lu, B (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2017-01-02
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume679Pages:455-464
AbstractThe tensile and fracture behavior of an orthorhombic alloy Ti-22Al-24Nb-0.5Mo (at%) with three types of microstructure were investigated in the temperature range between 25 degrees C and 650 degrees C. The O+bcc microstructure (basketweave lath type) possesses an elongation maximum at 500 degrees C and its drop at 650 degrees C has been attributed to dynamic strain aging as suggested by previous investigators. The alpha(2)+bcc microstructure has the highest room temperature elongation (epsilon(f) > 18%) and the cause of the elongation drop at 650 degrees C is suggested to be the fine O phase precipitates from the bcc phase. An optimal balance between strength and plasticity was achieved in the alpha(2)+O+bcc microstructure.; The tensile and fracture behavior of an orthorhombic alloy Ti-22Al-24Nb-0.5Mo (at%) with three types of microstructure were investigated in the temperature range between 25 degrees C and 650 degrees C. The O+bcc microstructure (basketweave lath type) possesses an elongation maximum at 500 degrees C and its drop at 650 degrees C has been attributed to dynamic strain aging as suggested by previous investigators. The alpha(2)+bcc microstructure has the highest room temperature elongation (epsilon(f) > 18%) and the cause of the elongation drop at 650 degrees C is suggested to be the fine O phase precipitates from the bcc phase. An optimal balance between strength and plasticity was achieved in the alpha(2)+O+bcc microstructure.
description.department[zhao, hongze ; lu, bin ; tong, min ; yang, rui] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [zhao, hongze] univ sci & technol china, sch mat sci & engn, shenyang 110016, peoples r china
KeywordTi2alnb-based Alloy Microstructures Tensile Behavior Fracture Mechanisms
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Indexed BySCI
Language英语
WOS IDWOS:000389087000049
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78357
Collection中国科学院金属研究所
Corresponding AuthorLu, B (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Zhao, Hongze,Lu, Bin,Tong, Min,et al. Tensile behavior of Ti-22Al-24Nb-0.5Mo in the range 25-650 degrees C[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2017,679:455-464.
APA Zhao, Hongze,Lu, Bin,Tong, Min,Yang, Rui,&Lu, B .(2017).Tensile behavior of Ti-22Al-24Nb-0.5Mo in the range 25-650 degrees C.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,679,455-464.
MLA Zhao, Hongze,et al."Tensile behavior of Ti-22Al-24Nb-0.5Mo in the range 25-650 degrees C".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 679(2017):455-464.
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