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置氢TC4钛合金搅拌摩擦焊接头组织及力学性能研究

Keywords: 置氢,TC4钛合金,搅拌摩擦焊,机械性能

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Abstract:

首次对2mm厚置氢TC4钛合金进行搅拌摩擦焊焊接开展了含氢量分别为0.1%和0.4%两种条件下的搅拌摩擦焊工艺研究,对比分析研究了置氢TCA钛合金FSW微观组织和力学性能,初步摸索出置氢TCA钛合金FSW热机加工行为,评价了置氢钛合金材料的FSW焊接性能,置氢TCA钛合金搅拌摩擦焊接头组织细化,热机加工性能明显改善.

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