Powder microstructure and overlay coating property of NiCrAlY alloy

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	Powder microstructure and overlay coating property of NiCrAlY alloy
	X. C. Chang ; J. Q. Wang ; Y. Y. Hao ; W. L. Hou ; Z. Q. Hu
刊名	Journal of Materials Science & Technology
	1998
卷号	14 期号:4 页码:308-312
ISSN号	1005-0302
中文摘要	The microstructural features of NiCrAlY alloy powders with different particle size fractions and their effects on the overlay coating property have been investigated. It is shown that the finer (20 similar to 30 mu m) powder particles experience rapid recalescence and heat extraction to the surroundings resulting in microcellular structure, whereas the coarser (40 similar to 50 mu m) powder particles exhibit a coarse cellular and dendritic mixed structure because of recalescence followed by slow cooling. In addition, it is also indicated that the finer the powder particle sizes, the higher the mechanical property and the metallurgical thermal stability of the overlay coatings deposited by as-atomized powders, which is presumably attributed to the formation of dense fine grain structure and oxide layer for the fine size fraction of the powders.
原文出处	://WOS:000074996700004
公开日期	2012-04-14
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/37629]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	X. C. Chang,J. Q. Wang,Y. Y. Hao,et al. Powder microstructure and overlay coating property of NiCrAlY alloy[J]. Journal of Materials Science & Technology,1998,14(4):308-312.
APA	X. C. Chang,J. Q. Wang,Y. Y. Hao,W. L. Hou,&Z. Q. Hu.(1998).Powder microstructure and overlay coating property of NiCrAlY alloy.Journal of Materials Science & Technology,14(4),308-312.
MLA	X. C. Chang,et al."Powder microstructure and overlay coating property of NiCrAlY alloy".Journal of Materials Science & Technology 14.4(1998):308-312.