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Effect of heat treatment on microstructures and tensile properties of TA19 alloy fabricated by laser metal deposition
Wang, Fang1,2; Lei, Li-Ming3; Fu, Xin3; Song, Zhu-Man1; Shi, Lei3; Zhang, Bin4; Zhang, Guang-Ping1
Corresponding AuthorZhang, Guang-Ping(gpzhang@imr.ac.cn)
2020-04-24
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume782Pages:9
AbstractInfluences of solution temperature and subsequent cooling rate on microstructures and room temperature tensile properties of near alpha-TA19 alloy (Ti-6Al-2Sn-4Zr-2Mo-0.1Si) manufactured by laser metal deposition were investigated. The results show that after the solution and aging treatment, fine Basketweave structure of the as-fabricated TA19 alloy was transformed into Widmannstatten structure for the samples heat treated in the single beta phase region and double lamellar special bimodal structure for those heat treated in the alpha+beta two-phase region. The as-fabricated TA19 samples subjected to solution treatment at 1000 degrees C with subsequent oil cooling and aging treatment have a good synergy of strength and plasticity due to the best combination of the content and width of alpha(p) and alpha(s)+alpha' martensite phases. Not only the widths of alpha(p) and alpha(s)/alpha' martensite phases affect the yield stress of the alloy, but also the phase contents of the double lamellar special bimodal structure alloy play an important role. The rule of mixtures is developed to predict the yield stress of the LMD-fabricated TA19 alloy after heat treatment in the alpha+beta two-phase region.
KeywordNear alpha titanium alloy Laser metal deposition Heat treatment Microstructure Yield stress
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; Fundamental Research Project of Shenyang National Laboratory for Materials Science, China ; project of Manufacturing the swirl nozzles of the high pressure turbine by selective laser melting
DOI10.1016/j.msea.2020.139284
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51771207] ; National Natural Science Foundation of China (NSFC)[51971060] ; Fundamental Research Project of Shenyang National Laboratory for Materials Science, China[L2019R18] ; project of Manufacturing the swirl nozzles of the high pressure turbine by selective laser melting
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000525797900022
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138292
Collection中国科学院金属研究所
Corresponding AuthorZhang, Guang-Ping
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.AECC Shanghai Commercial Aircraft Engine Mfg Co L, Shanghai 201306, Peoples R China
4.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, 3-11 Wenhua Rd, Shenyang 110819, Peoples R China
Recommended Citation
GB/T 7714
Wang, Fang,Lei, Li-Ming,Fu, Xin,et al. Effect of heat treatment on microstructures and tensile properties of TA19 alloy fabricated by laser metal deposition[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2020,782:9.
APA Wang, Fang.,Lei, Li-Ming.,Fu, Xin.,Song, Zhu-Man.,Shi, Lei.,...&Zhang, Guang-Ping.(2020).Effect of heat treatment on microstructures and tensile properties of TA19 alloy fabricated by laser metal deposition.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,782,9.
MLA Wang, Fang,et al."Effect of heat treatment on microstructures and tensile properties of TA19 alloy fabricated by laser metal deposition".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 782(2020):9.
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