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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)
Department装备制造技术研究室
Source PublicationLASERS IN ENGINEERING
ISSN0898-1507
2012
Volume22Issue:3-4Pages:175-188
Indexed BySCI ; EI
EI Accession number20114814558311
WOS IDWOS:000298899600004
Contribution Rank3
Funding OrganizationFinancial support from University Research Project of Liaoning Educational Committee (No. L2010414) is greatly appreciated.
KeywordLaser Metal Deposition Shaping (Lmds) Nickel-based Alloy Microstructure Morphology Mechanical Property Characteristics Thin-wall Part Grain Categories
AbstractLaser 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.
Language英语
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS SubjectMaterials Science, Multidisciplinary ; Optics
WOS Research AreaMaterials Science ; Optics
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Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/9946
Collection智能产线与系统研究室
Corresponding AuthorZhang K(张凯)
Affiliation1.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
Recommended Citation
GB/T 7714
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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