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本文用正交试验法研究了7075合金板材双级时效制度和性能的关系及其变化规律,并与单级时效进行比较。通过试验建立了合金性能较好的T_6,T_(73)和T_(76)状态时效制度。
In this paper, the relationship between the two-stage aging regime and properties of 7075 alloy sheet and its variation are studied by orthogonal test and compared with single-stage aging. The aging performance of T_6, T_ (73) and T_ (76) alloys with good properties was established through experiments.