Effect of Strain-Rate and Temperature on Yield Locus for 5083 Aluminum Alloy Sheet

机译：应变速率和温度对5083铝合金薄板屈服点的影响

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To determine yield locus of type 5083 aluminum-magnesium sheet at elevated temperature, biaxial tensile experiments were performed, using cruciform specimens, at various temperatures (25 - 300℃) at strain rates raging from 10~(-5) to 10~(-2) s~(-1). From the experimental results, the effects of strain rate and temperature on the yield locus are discussed. The size of yield locus drastically decreased with increasing temperature and with decreasing strain rate. Neither von Mises' yield criterion or Hill's can well predict the shape of yield locus of this type of sheet metal. In contrast, the yield criterion of Logan-Hosford or Barlat well simulate the yield locus at elevated temperatures.

机译：为了确定5083型铝镁薄板在高温下的屈服点，使用十字形试样在不同温度（25-300℃）下以10〜（-5）到10〜（-的应变速率进行了双轴拉伸实验。 2）s〜（-1）。从实验结果出发，讨论了应变速率和温度对屈服位点的影响。屈服基因座的大小随着温度的升高和应变率的降低而急剧减小。冯·米塞斯（von Mises）的屈服准则或希尔氏（Hill's）都无法很好地预测此类金属板的屈服轨迹的形状。相反，Logan-Hosford或Barlat的屈服准则很好地模拟了高温下的屈服轨迹。

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来源
《Asia-Pacific Symposium on Engineering Plasticity and Its Applications(AEPA 2004) pt.2; 20040922-26; Shanghai(CN)》|2004年|P.937-942|共6页
会议地点 Shanghai(CN)
作者
Tetsuo Naka; Yasuhide Nakayama; Takeshi Uemori; Ryutaro Hino; Fusahito Yoshida;
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作者单位

Department of Maritime Technology, Yuge National College of Maritime Technology, 1000, Yuge-Cho, Ochi-Gun, Ehime 794-2593, Japan;

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会议组织
原文格式 PDF
正文语种 eng
中图分类工程材料试验;
关键词
AI-Mg alloy sheet; yield locus; biaxial tensile test; strain-rate; temperature; warm press forming; yield criterion;

机译：AI-Mg合金薄板；屈服点；双轴拉伸试验；应变率；温度；热压成形；屈服准则;

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3. Effect of Strain-Rate and Temperature on Yield Locus for 5083 Aluminum Alloy Sheet [J] . Tetsuo Naka, Yasuhide Nakayama, Takeshi Uemori, Key Engineering Materials . 2004,第Pt2期

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Effect of Strain-Rate and Temperature on Yield Locus for 5083 Aluminum Alloy Sheet

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