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Hot compression behavior and processing map of cast Mg-4Al-2Sn-Y-Nd alloy
J. Wang; B. L. Shi; Y. S. Yang
2014
Source PublicationTransactions of Nonferrous Metals Society of China
ISSN1003-6326
Volume24Issue:3Pages:626-631
AbstractThe plastic flow behavior of a newly developed high ductility magnesium alloy, Mg-4Al-2Sn-Y-Nd, was investigated by hot compression from 200 to 400 degrees C with a strain rate of 1.5x10(-3) to 7.5 s(-1). The results reveal that the strain rate sensitivity factor (m) of the alloy is much lower than that of the AZ31 alloy, which implies that the alloy should be more suitable for processing at high strain rate. The constitutive relationship of the alloy deformed at elevated temperature was obtained by plotting the experimental data. The stress exponent of the alloy is 10.33, which reveals that climb-controlled dislocations creep is the dominated deformation mechanism. The processing-map technique was used to determine the practical processing window. The proper deformation temperature and strain rate of the cast alloy were determined as 350-400 degrees C and 0.01-0.03 s(-1), respectively.
description.department[wang, jing ; shi, bao-liang ; yang, yuan-sheng] chinese acad sci, inst met res, shenyang 110016, peoples r china. [yang, yuan-sheng] new mat res inst shandong acad sci, jinan 250014, peoples r china. ; yang, ys (reprint author), chinese acad sci, inst met res, shenyang 110016, peoples r china. ; ysyang@imr.ac.cn
KeywordMagnesium Alloy Uniaxial Compression Apparent Activation Energy Processing Map Az31 Magnesium Alloy Zn-zr Alloy Mechanical-properties Deformation-behavior Dynamic Recrystallization Automotive Industry Mg Temperature
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73410
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. Wang,B. L. Shi,Y. S. Yang. Hot compression behavior and processing map of cast Mg-4Al-2Sn-Y-Nd alloy[J]. Transactions of Nonferrous Metals Society of China,2014,24(3):626-631.
APA J. Wang,B. L. Shi,&Y. S. Yang.(2014).Hot compression behavior and processing map of cast Mg-4Al-2Sn-Y-Nd alloy.Transactions of Nonferrous Metals Society of China,24(3),626-631.
MLA J. Wang,et al."Hot compression behavior and processing map of cast Mg-4Al-2Sn-Y-Nd alloy".Transactions of Nonferrous Metals Society of China 24.3(2014):626-631.
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