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A high strength low alloy steel fabricated by direct laser deposition
Wang, Qiang1,2,3,5; Zhang, Song3; Zhang, Chunhua3; Wang, Jianqiang4; Shahzad, M. Babar4; Chen, Haitao5; Chen, Jiang5
Corresponding AuthorWang, Qiang(mfqwang@163.com) ; Zhang, Song(songzhang_sy@163.com)
2019-03-01
Source PublicationVACUUM
ISSN0042-207X
Volume161Pages:225-231
AbstractDirect laser metal deposition (DLMD) can produce near net shape parts by layer-by-layer deposition of metallic powders. In the present study, DLMD was used to fabricate a high strength low alloy (HSLA) steel. The characteristics of the microstructure and mechanical properties of the as-built HSLA were characterized using optical microscopy, electron back-scatter diffraction (EBSD), transmission electron microscopy, and tensile test machine respectively. It was found that the optimized parameters ensured a high quality of the built samples. The as-built HSLA steel was mainly composed of alpha-Fe (Ferrite) phase with a trace of C6Cr23 and Fe3C phases. TEM result proved the formation of martensite phase. Most grain boundaries misorientation angles were low-angle grain boundary which elevated the strengthening effect. Tensile strength, yield strength, and elongation of the as deposited HSLA were comparable with other high-performance alloy steels. The present results show the potential of DLMD for the fabrication of a HSLA with excellent mechanical properties.
KeywordHigh strength low alloy steel Direct laser metal deposition Phase distribution EBSD Mechanical properties
Funding OrganizationNational Key Research and Development Program of China ; Key Research Project from Science and Technology Commission of Liaoning Province ; Shenyang Science and Technology
DOI10.1016/j.vacuum.2018.12.030
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFB1100204] ; Key Research Project from Science and Technology Commission of Liaoning Province[2017106036] ; Shenyang Science and Technology[18-004-1-16] ; Shenyang Science and Technology[Z18-5-012] ; Shenyang Science and Technology[18-014-4-36] ; Shenyang Science and Technology[18-201-0-02]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000458591100031
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/131897
Collection中国科学院金属研究所
Corresponding AuthorWang, Qiang; Zhang, Song
Affiliation1.China Med Univ, Sch Stomatol, Shenyang, Liaoning, Peoples R China
2.China Med Univ, Sch Stomatol, Dept Cent Lab, Shenyang, Liaoning, Peoples R China
3.Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Liaoning, Peoples R China
4.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
5.Shenyang Dalu Laser Grp Co Ltd, Shenyang 110002, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Wang, Qiang,Zhang, Song,Zhang, Chunhua,et al. A high strength low alloy steel fabricated by direct laser deposition[J]. VACUUM,2019,161:225-231.
APA Wang, Qiang.,Zhang, Song.,Zhang, Chunhua.,Wang, Jianqiang.,Shahzad, M. Babar.,...&Chen, Jiang.(2019).A high strength low alloy steel fabricated by direct laser deposition.VACUUM,161,225-231.
MLA Wang, Qiang,et al."A high strength low alloy steel fabricated by direct laser deposition".VACUUM 161(2019):225-231.
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