An integrated methodology for estimating the interface temperature and effects of powder diameters in laser transmission welding process

被引：0
作者：
Yu, Xiaodong [1 ]
Qiao, Haiyu [1 ]
Chen, Yani [1 ]
Li, Qian [1 ]
Chen, Zhenyu [1 ]
Liu, Yayun [1 ]
Wang, Chuanyang [1 ]
机构：
[1] Soochow Univ, Sch Mech & Elect Engn, Suzhou, Peoples R China
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2023年 / 28卷 / 07期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Mathematical model; metal powder laser-absorbents; dissimilar transparent thermoplastics; infrared thermal camera; laser transmission welding; POLYETHYLENE TEREPHTHALATE; PART I; POLYMERS; GEOMETRY; MODEL;
D O I：
10.1080/13621718.2023.2187543
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The powder diameter affects the heat generation and further influences the quality of weldments when the MZA powder is used as laser-absorbents to carry out laser transmission welding (LTW). It is difficult to measure the temperature due to its extremely short duration. A mathematical model considering the multiple reflections of metal powder is established to predict heat generation. The mathematical model is verified and then used to describe the influence of line energy density and powder diameter on the temperature profile of the LTW process. The results demonstrate that the temperature from experiments and simulation are consistent. Therefore, the established model is suitable to predict the heat generation of metal powder laser-absorbents in the LTW process.
引用
收藏
页码：589 / 597
页数：9
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