本文将超塑成形(SPF)和激光焊接技术(LW)相结合,开发激光焊接/超塑成形组合工艺(LW/SPF),研究TC4钛合金激光叠焊接头的超塑性变形行为,并对超塑性变形前后的显微组织进行分析.结果表明,TC4钛合金激光叠焊接头能够承受焊板的变形,试样在母材断裂,并通过四层板的模拟件研制验证了超塑成形/激光焊组合工艺工业应用的可行性.
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