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材料研究学报  2007, Vol. 21 Issue (3): 240-244    
  论文 本期目录 | 过刊浏览 |
Al/Al2O3复合材料的伪半固态压缩变形力学行为
赵祖德  程远胜  朱世凤  黄少东  罗守靖
引用本文:

赵祖德; 程远胜; 朱世凤; 黄少东; 罗守靖 . Al/Al2O3复合材料的伪半固态压缩变形力学行为[J]. 材料研究学报, 2007, 21(3): 240-244.

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摘要: 对37%Al/Al2O3复合材料坯料进行高温压缩,研究其伪半固态压缩变形力学行为.结果表明,该材料在伪半固态温度下的高温压缩过程中,真实应力-真实应变曲线存在四个变化阶段:急剧上升-下降-平稳-缓慢上升,且稳态流动应力及峰值应力随着温度的提高和应变速率的降低显著下降,说明该材料具有应变速率和变形温度敏感性.随着变形量的增加,微观组织中的孔洞逐渐增多.
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收稿日期: 1900-01-01     
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