近年来,随着航空航天事业的发展,高温钛合金的研究与应用受到了越来越多的关注.目前,各国研发的600℃高温钛合金主要有IMI834、Ti-1100、BT36、BT18Y、Ti60和Ti-600合金等,其中,前4种已获得工业应用.首先概述了600℃高温钛合金的合金化特点,指出未来高温钛合金仍将向着成分多元化方向发展,稀土元素的应用是研究重点方向之一.接下来对几种典型的高温钛合金的性能特点、室高温力学性能进行了重点介绍,最后展望了其未来重点发展的方向.
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