钛合金搅拌摩擦焊工艺参数对组织性能的影响

doi:10.16080/j.issn1671-833x.2015.17.100

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摘要采用不同工艺参数对2.0mm厚TC4钛合金板材进行搅拌摩擦对接焊，研究工艺参数对接头组织演变规律及其对接头性能的影响。结果表明：通过调整工艺参数，接头可得到不同状态的组织形式，从而影响接头的力学性能；随着转速从100r/min增加到400r/min，热输入量逐渐增大，接头内微观组织由完全的α相超细晶组织转变为完全的α+β片层状组织结构；在各工艺参数条件下，接头抗拉强度均超过1000MPa，最大延伸率可达到9.8%，在保证接头强度的同时具有较高的塑性变形能力。

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	李继忠
	董春林
	赵华夏
	栾国红
	仇一卿
	李宝华
	唐众民
	聂绪胜

关键词 ：钛合金, 搅拌摩擦焊, 相转变, 组织性能

引用本文:

李继忠，董春林，赵华夏，栾国红，仇一卿，李宝华，唐众民，聂绪胜. 钛合金搅拌摩擦焊工艺参数对组织性能的影响[J]. 航空制造技术, 2015, 58(17): 100-103.

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http://www.amte.net.cn/CN/10.16080/j.issn1671-833x.2015.17.100 或 http://www.amte.net.cn/CN/Y2015/V58/I17/100

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