AZ31镁合金中Zn含量对其高温蠕变性能的影响 - TNMSC 关键字: AZ31镁合金；高温蠕变；应力指数[gap=1101]Key words: AZ31 magnesium alloy; high temperature creep; stress exponent
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Creep stress exponent 蠕变应力指数
method of stress exponent 应力指数法
stress corrosion exponent 应力腐蚀指数
stress singularity exponent 应力奇异指数
The dependence of activation energy and stress exponent upon the structure state is elucidated.
研究热形变过程激活能和应力指数与形变组织的关系。
It was found that 2618 aluminum alloy exhibits a higher creep stress exponent. The creep behaviors of the alloy can be described by using threshold stress.
试验结果表明：2618铝合金表现出较高的蠕变应力指数，在引入门槛应力后，该合金的蠕变行为可得到满意解释；
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