Microstructure Morphology and Performance Characteristics of a Nickel-based Alloy Part Fabricated by Laser Metal Deposition Shaping

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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)
刊名	LASERS IN ENGINEERING
	2012
卷号	22 期号:3-4 页码:175-188
关键词	Laser metal deposition shaping (LMDS) nickel-based alloy microstructure morphology mechanical property characteristics thin-wall part grain categories
ISSN号	0898-1507
通讯作者	张凯
产权排序	3
中文摘要	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.
WOS标题词	Science & Technology ; Technology ; Physical Sciences
类目[WOS]	Materials Science, Multidisciplinary ; Optics
研究领域[WOS]	Materials Science ; Optics
收录类别	SCI ; EI
资助信息	Financial support from University Research Project of Liaoning Educational Committee (No. L2010414) is greatly appreciated.
语种	英语
WOS记录号	WOS:000298899600004
公开日期	2012-10-24
内容类型	期刊论文
源URL	[http://ir.sia.cn/handle/173321/9946]
专题	沈阳自动化研究所_装备制造技术研究室
推荐引用方式 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.