试验结果表明，分级时效工艺在提高合金机械性能的同时，还能使合金抗应力腐蚀性能得到明显改善。
Experimental results show that stepped aging process not only enhances mechanical properties but also improves resistance against stress corrosion of the alloy.
合金采用分级时效工艺处理后，可得到高的硬度(HV171)和较高的导电率(5 9.5 % IACS)。
When the grading aging is adopted, the high hardness (HV171) and electrical conductivity (59.5%iacs) will be obtained.
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