Lowtemperatureaging for die casting al alloy under appropriate technological condition can increase average strength and Brinell hardness more than 10% and 30% respectively.
AGING: the process of running product through lowtemperature air draw furnaces for the purpose of relieving stress which was caused in the hardening operation.
时效处理：指让产品通过低温通风炉以释放淬火造成的应力的工艺。
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The phenomenon, affecting factors and retarding methods of Y-TZP low-temperatureaging were reviewed.