搅拌工具与垫板对搅拌摩擦焊温度场影响的数值分析*

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摘要采用ABAQUS/Explicit模块建立了搅拌摩擦焊接（FSW）的完全热力耦合三维计算模型，研究了10 mm厚7050铝合金FSW过程中，不同材料的搅拌工具与垫板对焊接温度场演变的影响。研究结果表明：不同材料的垫板与搅拌工具对焊接温度场有一定的影响；通过搅拌工具与垫板的热传导是热量散失的主要方式；在焊接过程中，随着垫板换热系数的增加，工件上下表面各等温线以搅拌工具为中心向内明显收缩。

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	张志函
	李文亚

关键词 ：搅拌摩擦焊, 有限元分析, 铝合金, 温度场

作者简介: *国家自然科学基金（51005180）、凝固技术国家重点实验室自主研究课题(69-QP-2011)资助。

引用本文:

张志函，李文亚. 搅拌工具与垫板对搅拌摩擦焊温度场影响的数值分析*[J]. 航空制造技术, 2013, 56(4): 62-64.

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http://www.amte.net.cn/CN/ 或 http://www.amte.net.cn/CN/Y2013/V56/I4/62

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