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method for improving the static and dynamic properties of (alpha + beta) - titanium alloys.

机译:改善(α+β)-钛合金静态和动态性能的方法。

摘要

The process relates to the improvement of the static and dynamic mechanical properties of ( alpha + beta ) titanium alloys by thermomechanical treatment, wherein the alloys produced by melting and forging and/or hot isostatic pressing of powders are deformed by more than 60 % with simultaneous strain-hardening at a temperature just above the recrystallization temperature of the relevant alloys in one or more steps, with structure stress-relief heatings being performed without complete recrystallization between these individual steps, the shaped part is then tempered for 2 to 4 min near the transus of the alloy, quenched and then aged at temperatures in the range of from 400 to 600 DEG C.
机译:该方法涉及通过热机械处理来改善(α+β)钛合金的静态和动态机械性能,其中通过熔融和锻造和/或热等静压粉末生产的合金变形超过60%,同时在一个或多个步骤中,在刚好高于相关合金的再结晶温度的温度下进行应变硬化,在这些单独步骤之间进行结构应力消除加热而没有完全再结晶的情况下,将成形零件在附近进行回火2至4分钟。合金的瞬态,淬火后在400至600℃的温度范围内时效。

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