The microstructure of AZ91 alloy keeps some characteristics of the high temperature melt after thermal rate treatment, which improves the mechanical properties and casting quality of magnesium alloy.
热速处理后组织部分保留了高温过热时的特性，从而使镁合金的力学性能和铸件质量得到提高。
The effect of hot bending and heat treatment thermal cycles on the mechanical properties of X80 grade steel pipe was evaluated.
通过焊接热模拟试验和冲击韧性试验，研究了不同预热温度对X80级管线钢组织性能的影响。
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