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Microstructure Morphology and Performance Characteristics of a Nickel-based Alloy Part Fabricated by Laser Metal Deposition Shaping
Zhang K(张凯); Shang XF(尚晓峰); Liu WJ(刘伟军)
作者部门装备制造技术研究室
关键词Laser Metal Deposition Shaping (Lmds) Nickel-based Alloy Microstructure Morphology Mechanical Property Characteristics Thin-wall Part Grain Categories
发表期刊LASERS IN ENGINEERING
ISSN0898-1507
2012
卷号22期号:3-4页码:175-188
收录类别SCI ; EI
EI收录号20114814558311
WOS记录号WOS:000298899600004
产权排序3
资助机构Financial support from University Research Project of Liaoning Educational Committee (No. L2010414) is greatly appreciated.
摘要Laser metal deposition shaping (LMDS) is a new rapid manufacturing technology, which involves computer aided design, laser processing, material science and numerical control machining. This advanced technology can build fully-dense metal components directly from computer aided design (CAD) files without any mould or tool. In order to master the microstructure morphology and property features of as-formed metal parts, a kind of nickel-based alloy powder was selected to perform this experiment. Typically, the thin-wall part was manufactured with single-pass and multi-layer depositing process. Then, the metallographic samples and tensile specimens were cut out from the thin-wall part for analyzing material characteristics. The results show that there are different grain categories distributing in certain vertical position of thin-wall part, which depends on both temperature gradient and solidification rate at the solid/liquid interface. Furthermore, influenced by the microstructure distributing features of as-deposited component, the mechanical properties represent as anisotropy.
语种英语
WOS标题词Science & Technology ; Technology ; Physical Sciences
WOS类目Materials Science, Multidisciplinary ; Optics
WOS研究方向Materials Science ; Optics
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文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/9946
专题装备制造技术研究室
通讯作者Zhang K(张凯)
作者单位1.School of Mechanical Engineering, Shenyang University of Technology, Shenyang 110870, China
2.School of Machinery and Automobile, Shenyang Institute of Aeronautical Engineering, Shenyang 110136, China
3.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
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Zhang K,Shang XF,Liu WJ. Microstructure Morphology and Performance Characteristics of a Nickel-based Alloy Part Fabricated by Laser Metal Deposition Shaping[J]. LASERS IN ENGINEERING,2012,22(3-4):175-188.
APA Zhang K,Shang XF,&Liu WJ.(2012).Microstructure Morphology and Performance Characteristics of a Nickel-based Alloy Part Fabricated by Laser Metal Deposition Shaping.LASERS IN ENGINEERING,22(3-4),175-188.
MLA Zhang K,et al."Microstructure Morphology and Performance Characteristics of a Nickel-based Alloy Part Fabricated by Laser Metal Deposition Shaping".LASERS IN ENGINEERING 22.3-4(2012):175-188.
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