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	Influence of heat treatments on the gamma' phase of directionally solidified dz951 nickel base superalloy
	Xia, PC; Yu, JJ; Sun, XF; Zhao, NR; Hou, GC; Guan, HR; Hu, ZQ
刊名	Rare metal materials and engineering
	2006-05-01
卷号	35期号:5页码:779-782
关键词	Superalloy Heat treatment Gamma' phase Microstructure
ISSN号	1002-185X
通讯作者	Xia, pc(pcxia@imr.ac.cn)
英文摘要	Influence of heat treatment on the microstructure of directionally solidified dz951 nickel base superalloy was investigated by optical microscope and sem. the results show that the mismatch of as-cast alloy can be decreased or diminished if a reasonable heat treatment procedure is chosen. the size of gamma' phase can be enlarged with the increase of solution temperature. the primary gamma' phases can be completely soluble into the matrix above 1200 degrees c. the size of gamma' phase increases with the increase of the solution time at the same solution temperature. the coarsening gamma' phase is precipitated when the alloy is aged at elevated temperatures and the size of gamma' enlarges with the increase of temperature. the size of precipitated gamma' phase enlarges with the increase of age temperature after solution treatment at 1220 degrees c. the increasing trend of gamma' phase is more obvious when the age temperature is higher. the gamma' phases with two kinds of sizes can be achieved after the solution and the double ages.
WOS关键词	MECHANICAL-PROPERTIES ; MICROSTRUCTURE ; SIZE
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	NORTHWEST INST NONFERROUS METAL RESEARCH
WOS记录号	WOS:000238275000026
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2379599
专题	中国科学院大学
通讯作者	Xia, PC
作者单位	1.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
推荐引用方式 GB/T 7714	Xia, PC,Yu, JJ,Sun, XF,et al. Influence of heat treatments on the gamma' phase of directionally solidified dz951 nickel base superalloy[J]. Rare metal materials and engineering,2006,35(5):779-782.
APA	Xia, PC.,Yu, JJ.,Sun, XF.,Zhao, NR.,Hou, GC.,...&Hu, ZQ.(2006).Influence of heat treatments on the gamma' phase of directionally solidified dz951 nickel base superalloy.Rare metal materials and engineering,35(5),779-782.
MLA	Xia, PC,et al."Influence of heat treatments on the gamma' phase of directionally solidified dz951 nickel base superalloy".Rare metal materials and engineering 35.5(2006):779-782.

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