氢处理技术是通过氢的可逆合金化作用,对钛合金的微观组织、力学性能和加工性能进行调整的一种新兴热加工技术.钛合金中氢的加入可以增加钛合金中塑性相的体积分数,降低流动应力,提高超塑性性能,从而降低钛合金的超塑性变形对变形速率和变形温度的苛刻要求.利用氢处理与塑性变形相配合制备晶粒尺寸小于1μm的超细晶,使钛合金在更低的变形温度和更高变形速率下呈现出超塑性,是攻克钛合金扩大应用瓶颈的一条新途径.
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