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深冷处理对7050铝合金尺寸稳定性及断裂韧性的影响
Authors
刘轩之
王俊杰
+4 more
王凯凯
翁泽钜
蔡惠坤
顾开选
Publication date
25 September 2019
Publisher
Doi
Cite
Abstract
研究了不同深冷处理工艺对7050铝合金尺寸稳定性和断裂韧性的影响。采用圆环开口方法对尺寸稳定性进行评价,对比了不同深冷处理工艺对尺寸稳定性的改善效果,从材料析出的角度分析了提高尺寸稳定性的深冷处理机理,并对微观组织的变化进行了分析。通过研究探索出了7050铝合金的最佳深冷处理工艺为-150℃×24 h,2次,尺寸稳定性提高了77. 9%,同时断裂韧性提高13. 42%。国家自然科学基金(51805521)中国科学院青年创新促进会(2016021
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Last time updated on 20/11/2020