工艺与制造英文2024被引 1
热塑性复合材料连续接头连续电阻焊试验台系统的表征
Characterization of A Test Bench System for Continuous Resistance Welding of Thermoplastic Composite Joints
A. Yousefpour, A. Poursartip, François Ferland, J. Elame, Henry Roger, H. Laurin, J Stańczak, Julieta Barroeta Robles, Lars Larsen, Manuel Endraß, M. Palardy-Sim, M. Octeau, Michael Kupke, Michael Kupke, Reza Vaziri, Sterling J. Nesbitt, Simon Atkinson, Sébastien Roy
摘要整理
热塑性复合材料（TPCs）因其高比刚度、断裂韧性和可焊性，在航空航天结构中应用日益广泛。连续电阻焊（CRW）可在高宽比零件（如飞机机身纵向或环向加筋板）应用中获得高强度接头。CRW工艺中，末端执行器沿连续导电植入体移动，通过焦耳热效应局部升温，该植入体置于界面处使热塑性复合材料局部熔融形成结构接头。末端执行器同时施加固化压力，确保熔融和凝固过程中保持紧密接触。由于焊接界面温度无法直接测量，采用基于物理的有限元模型预测该关键参数，通过调控功率、压力和焊接速度控制工艺过程。本文重点表征CRW试验台系统，为基于物理的控制模型验证提供实验数据。研究了焊接参数对焊接电流的影响。理解电学行为对于获得高质量焊接至关重要，需确保焊接界面温度始终保持在工艺窗口范围内。影响电学行为的因素包括电极接触电阻和加热元件尺寸。
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