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采用差热分析法研究了7075铝合金的时效析出行为及Li对该合金时效过程组织转变的影响,并对含Li和不含Li的7075铝合金中GP区和((相溶解动力学参数进行了计算.结果表明Li对GP区溶解激活能影响不大,但显著提高了((相的溶解激活能.

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