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Preparation and Electron Beam Welding of HIP Powder Metallurgy Ti-22Al-24Nb-0.5Mo Alloys
Wu Jie; Xu Lei; Lu Zhengguan; Lu Bin; Cui Yuyou; Yang Rui
Corresponding AuthorXu Lei(lxu@imr.ac.cn)
2017-06-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume46Pages:241-245
AbstractA Ti-22Al-24Nb-0.5Mo (at%) pre-alloyed powder was produced by gas atomization, and then fully dense powder metallurgy (PM) Ti2AlNb alloy was fabricated by a hot isostatic pressing (HIPing) route. powder size distribution obviously affects the porosity distribution of PM Ti2AlNb alloys. The weld porosity and inclusion are not found in the as-HIPed+HT Ti2AlNb rings to be electron beam welded according to the X-ray radiographic inspection. The microstructure of as-HIPed+HT Ti2AlNb compacts was characterized by optical microscopy (OM), scanning electron microscopy (SEM), and X-ray diffraction (XRD). From the fusion zone to the parent material, the microstructures change from the single phase (B2) to duplex (alpha(2)+B2+O phase). The microhardness of fusion zone and heat affected zone is higher than that of parent material.
Keywordhot isostatic pressing powder metallurgy Ti2AlNb alloy porosity electron beam welding welding joint
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000406570100049
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/124775
Collection中国科学院金属研究所
Corresponding AuthorXu Lei
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Wu Jie,Xu Lei,Lu Zhengguan,et al. Preparation and Electron Beam Welding of HIP Powder Metallurgy Ti-22Al-24Nb-0.5Mo Alloys[J]. RARE METAL MATERIALS AND ENGINEERING,2017,46:241-245.
APA Wu Jie,Xu Lei,Lu Zhengguan,Lu Bin,Cui Yuyou,&Yang Rui.(2017).Preparation and Electron Beam Welding of HIP Powder Metallurgy Ti-22Al-24Nb-0.5Mo Alloys.RARE METAL MATERIALS AND ENGINEERING,46,241-245.
MLA Wu Jie,et al."Preparation and Electron Beam Welding of HIP Powder Metallurgy Ti-22Al-24Nb-0.5Mo Alloys".RARE METAL MATERIALS AND ENGINEERING 46(2017):241-245.
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