INFLUENCE OF RETROGRESSION AND REAGING ON MICROSTRUCTURE AND PROPERTIES OF 8090 AL-LI ALLOY

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	INFLUENCE OF RETROGRESSION AND REAGING ON MICROSTRUCTURE AND PROPERTIES OF 8090 AL-LI ALLOY
	Y. L. Liu; Z. Q. Hu; Y. Zhang; C. X. Shi
	1993
发表期刊	Materials Science and Technology
ISSN	0267-0836
卷号	9 期号:8 页码:672-677
摘要	An investigation was made into the influence of a retrogression and reaging treatment on the microstructure, tensile properties, and stress corrosion cracking resistance of 8090 Al-Li alloy. The results show that retrogression of the material at 230-degrees-C for 40 min or 325-degrees-C for 1.5 min, and then reaging to the peak aged condition, can result in an improved combination of tensile strength and stress corrosion cracking resistance. Through retrogression and reaging treatment, the alloy almost achieves the strength of the peak aged state and the stress corrosion cracking resistance of the overaged state. Transmission electron microscopy indicates that the delta' phase dissolves during retrogression and reprecipitates during reaging, thus increasing the strength. The T2 phase precipitates and grows during both retrogression and reaging, which results in the increase of stress corrosion cracking resistance.
部门归属	liu, yl (reprint author), acad sinica,inst met res,shenyang,peoples r china
关键词	Corrosion Cracking Behavior Aluminum-lithium Alloys 7075 Aluminum Strength
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/39079
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. L. Liu,Z. Q. Hu,Y. Zhang,et al. INFLUENCE OF RETROGRESSION AND REAGING ON MICROSTRUCTURE AND PROPERTIES OF 8090 AL-LI ALLOY[J]. Materials Science and Technology,1993,9(8):672-677.
APA	Y. L. Liu,Z. Q. Hu,Y. Zhang,&C. X. Shi.(1993).INFLUENCE OF RETROGRESSION AND REAGING ON MICROSTRUCTURE AND PROPERTIES OF 8090 AL-LI ALLOY.Materials Science and Technology,9(8),672-677.
MLA	Y. L. Liu,et al."INFLUENCE OF RETROGRESSION AND REAGING ON MICROSTRUCTURE AND PROPERTIES OF 8090 AL-LI ALLOY".Materials Science and Technology 9.8(1993):672-677.