中国激光, 2016, 43 (9): 0902002, 网络出版: 2018-05-25   

建筑用玻璃/不锈钢、玻璃/钛合金激光焊接机理研究

Study on Laser Welding Mechanisms of Glass/Stainless-Steel and Glass/Titanium-Alloy Materials
作者单位
1 苏州大学机电工程学院激光加工中心, 江苏 苏州 215021
2 库卡工业公司, 江苏 苏州 215300
摘要
开展了玻璃/不锈钢和玻璃/钛合金的激光焊接试验研究,重点分析了焊缝的断口形貌、截面形貌及焊缝处物相的差异。结果表明,玻璃/不锈钢、玻璃/钛合金焊接的机理类似,焊缝中玻璃与金属形成的镶嵌结构及分布在界面处的粘附物是两者能连接的主要原因;玻璃与钛合金的线膨胀系数差异较小是玻璃/钛合金焊接件拉断力高的主要原因;激光作用下玻璃与钛合金形成化学结合,生成化合物Ti5Si3,而玻璃与不锈钢主要为机械混合。
Abstract
An experimental study on the laser welding of glass/stainless-steel and glass/titanium-alloy materials is conducted, and the differences in fracture morphology, sectional shape, and weld phase of welding parts are emphatically analyzed. The results indicate that, as for the glass/stainless-steel and glass/titanium-alloy materials, their welding mechanisms are similar, and the mosaic structure in the welds of glass/metal material and the adhesion substance at the interface play major roles in connecting these two kind of materials. The linear expansion coefficient of glass/titanium-alloy material is small, which is the main reason why the breaking strength of welding parts between titanium-alloy and glass is high. Chemical adhesion takes place in laser welding of glass/titanium-alloy material, which produces Ti5Si3 compound. In contrast, as for the glass/stainless-steel material, mechanical mixing occurs mainly.

邹涛, 陈长军, 张敏, 刘星. 建筑用玻璃/不锈钢、玻璃/钛合金激光焊接机理研究[J]. 中国激光, 2016, 43(9): 0902002. Zou Tao, Chen Changjun, Zhang Min, Liu Xing. Study on Laser Welding Mechanisms of Glass/Stainless-Steel and Glass/Titanium-Alloy Materials[J]. Chinese Journal of Lasers, 2016, 43(9): 0902002.

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