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介绍一种可提高7000系高强铝合金强度及抗应力腐蚀性能的最新热处理工艺——三级时效(RRA)热处理.包括其工艺流程、适用条件及相关机理等方面.并从理论上分析应用中出现的一些问题.
This paper introduces a new heat treatment process - three stage aging (RRA) heat treatment, which can improve the strength and stress corrosion resistance of 7000 series high strength aluminum alloy, including its process flow, applicable conditions and related mechanisms, etc. And from the theoretical analysis of applications Some problems that arise.