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Effect of specific pressure on microstructure and mechanical properties of squeeze casting ZA27 alloy
Alternative TitleEffect of specific pressure on microstructure and mechanical properties of squeeze casting ZA27 alloy
Li Runxia; Li Rongde; Bai Yanhua; Qu Yingdong; Yuan Xiaoguang
2010
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume20Issue:1Pages:59-63
AbstractThe effect of specific pressure on the microstructure and mechanical properties of ZA27 squeezed castings with high height-to-thickness ratio was studied. The results of DTA and SEM show that at high specific pressure the eutectic reaction of squeeze casting ZA27 alloy is restrained, and the final solidified structure is (eta+epsilon) phases instead of cutectic phase (beta+eta+epsilon). At the same time, the primary reaction is promoted in squeeze casting ZA27 alloy solidified at high pressure, and the fine microstructure is obtained with the increase of pressure. Al and Cu elements are homogeneously distributed in matrix of squeeze casting ZA27 alloy. The homogenously distributed high-density fine c phase can effectively hinder dislocation motion, and then the strength and plasticity of squeeze casting ZA27 alloy are increased.
Other AbstractThe effect of specific pressure on the microstructure and mechanical properties of ZA27 squeezed castings with high height-to-thickness ratio was studied. The results of DTA and SEM show that at high specific pressure the eutectic reaction of squeeze casting ZA27 alloy is restrained, and the final solidified structure is (η+ε) phases instead of eutectic phase (β+h+ε). At the same time, the primary reaction is promoted in squeeze casting ZA27 alloy solidified at high pressure, and the fine microstructure is obtained with the increase of pressure. Al and Cu elements are homogeneously distributed in matrix of squeeze casting ZA27 alloy. The homogenously distributed high-density fine ε phase can effectively hinder dislocation motion, and then the strength and plasticity of squeeze casting ZA27 alloy are increased.
KeywordZA27 alloy squeeze casting specific pressure
Indexed ByCSCD
Language英语
CSCD IDCSCD:3820481
Citation statistics
Cited Times:22[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/155006
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Li Runxia,Li Rongde,Bai Yanhua,et al. Effect of specific pressure on microstructure and mechanical properties of squeeze casting ZA27 alloy[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2010,20(1):59-63.
APA Li Runxia,Li Rongde,Bai Yanhua,Qu Yingdong,&Yuan Xiaoguang.(2010).Effect of specific pressure on microstructure and mechanical properties of squeeze casting ZA27 alloy.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,20(1),59-63.
MLA Li Runxia,et al."Effect of specific pressure on microstructure and mechanical properties of squeeze casting ZA27 alloy".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 20.1(2010):59-63.
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