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Jiangxi Nonferrous Metals Society
ISSN：1674-9669
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CODEN YJKYA9
Volume 9 Issue 5
Oct.  2018
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SUN Junwei, ZHANG Rongwei, LI Shengyan, ZHOU Jun, ZHAO Hongjin. Research on the thermal denaturation of 5182 aluminium alloy[J]. Nonferrous Metals Science and Engineering, 2018, 9(5): 43-48. DOI: 10.13264/j.cnki.ysjskx.2018.05.008
Citation: SUN Junwei, ZHANG Rongwei, LI Shengyan, ZHOU Jun, ZHAO Hongjin. Research on the thermal denaturation of 5182 aluminium alloy[J]. Nonferrous Metals Science and Engineering, 2018, 9(5): 43-48. DOI: 10.13264/j.cnki.ysjskx.2018.05.008
shu

Research on the thermal denaturation of 5182 aluminium alloy

  • School of Material Science and and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Chinacom

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  • Received Date: April 29, 2018
  • Published Date: October 30, 2018
    Graphical Abstract
    • Abstract
  • The MMS-100 thermal simulation tester was utilized to perform a single pass compression test on 5182 aluminium alloy, and its thermal denaturation behavior was studied to construct a model of flow stress and the processing map. The results showed that the flow stress of 5182 aluminium alloy gradually decreased with the increase in temperature and the decrease in strain rate. Moreover, high temperature would promote the occurrence of dynamic recrystallization, and the effect of strain rate could be ignored. The true stress-true strain curve of the alloy produced jagged undulations at high strain rates; there would be a high-power dissipation factor area when the true strain ε=0.4 at 420 ℃ to 500 ℃, and the strain rate to 0.1 s-1. In addition, the alloy had a larger safe machining area when the temperature was near 450 ℃.
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