利用分级淬火方法测定了A1-7.8Zn-1.6Mg-0.8Cu-0.14Zr合金的时间-温度-性能(TTP)C曲线,并通过观察等温保温过程中显微组织和过饱和固溶体晶格常数的变化规律,对合金的淬火敏感性进行了研究.结果表明,合金的淬火敏感温度区间为233～396 ℃,鼻温为321℃,孕育期为13.829 s.在不同温度下等温时,晶格常数随时间延长先增大后减小,鼻温处的晶格常数值最大.
参考文献
| [1] | 陈文.先进铝合金在A380上的应用[J].航空维修与工程,2005(2):40-41. |
| [2] | Evancho J W;Staley J T .Kinetics of precipitation in aluminum alloys during continuous cooling[J].Metallurgical Transactions,1974,5(1):43-47. |
| [3] | Staley J T .Quench factor analysis of aluminium alloys[J].Materials Science and Technology,1987,3(11):923-935. |
| [4] | Chakrabarti D J;Liu J;Sawtell R R et al.New generation high strength high damage tolerance 7085 thick alloy product with low quench sensitivity[J].Materials Forum,2004,28:969-974. |
| [5] | Zhang B W .Semi-empirical theory of solid solubility in binary alloys[J].Z Metallkde,1985,76(4):264-270. |
| [6] | Zhang B W .An approach to the solid solubilities of binary nontransition metal based alloys[J].Scripta Metall,1987,21(8):1207-1211. |
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