The mechanism of the welding between silica glass and 304 stainless steel using nanosecond fibre laser

IF 2.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Science and Technology of Welding and Joining Pub Date : 2023-01-19 DOI:10.1080/13621718.2023.2167568

Jingyu Huo, Boyuan Zhang, Chuangkai Li, Minghuo Luo, Tao Chen, Liang Guo, Aiping Luo, Nan Zhao, Jiaming Li, Qingmao Zhang

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引用次数: 3

Abstract

Devices consisting of glass and metal are widely applied to many fields. With the miniaturisation and the expansion of application fields of these devices, the requirement of micro-joining between glass and metal is becoming higher. In this work, silica glass and 304 stainless steel were welded by the infrared nanosecond fibre laser. The welding quality was optimised by varying the laser parameters. The joint strength reached 16.39 MPa. The mechanism of the welding between the two materials was investigated. The results demonstrated the elemental diffusion in the interface between silica glass and 304 stainless steel under laser heating, where Fe, Cr and Si were the crucial factors in forming the welds. During the elemental diffusion, Cr was much easier to diffuse into glass than Fe. In the interface, Fe-O-Si bonds were observed. Moreover, increasing Cr content in the interface is a probable approach to improve the joint strength.

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硅玻璃与304不锈钢的纳秒光纤激光焊接机理

由玻璃和金属组成的器件被广泛应用于许多领域。随着这些器件的小型化和应用领域的扩大，对玻璃与金属的微连接要求越来越高。本文采用红外纳秒光纤激光器对石英玻璃和304不锈钢进行了焊接。通过改变激光参数优化了焊接质量。接头强度达到16.39 MPa。研究了两种材料的焊接机理。结果表明，在激光加热下，硅玻璃与304不锈钢之间的界面存在元素扩散，其中Fe、Cr和Si是形成焊缝的关键因素。在元素扩散过程中，Cr比Fe更容易扩散到玻璃中。在界面中，观察到Fe-O-Si键。此外，增加界面中的Cr含量是提高接头强度的可能途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Science and Technology of Welding and Joining 工程技术-材料科学：综合

CiteScore

6.10

自引率

12.10%

发文量

审稿时长

1.7 months

期刊介绍： Science and Technology of Welding and Joining is an international peer-reviewed journal covering both the basic science and applied technology of welding and joining. Its comprehensive scope encompasses all welding and joining techniques (brazing, soldering, mechanical joining, etc.) and aspects such as characterisation of heat sources, mathematical modelling of transport phenomena, weld pool solidification, phase transformations in weldments, microstructure-property relationships, welding processes, weld sensing, control and automation, neural network applications, and joining of advanced materials, including plastics and composites.