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Dong Hai

Associate Professor
Supervisor of Master's Candidates


Gender:Male
Alma Mater:大连理工大学
Degree:Master's Degree
School/Department:机械工程学院
Discipline:Mechanical Manufacture and Automation
Business Address:大连理工大学西部校区知方楼7116室
Contact Information:13998540476
E-Mail:donghai@dlut.edu.cn
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Current position: Home >> Scientific Research >> Paper Publications

PDC刀具高频感应钎焊温度计算与试验

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Indexed by:Journal Papers

Date of Publication:2019-06-20

Journal:金刚石与磨料磨具工程

Included Journals:PKU

Volume:39

Issue:3

Page Number:69-74

ISSN No.:1006-852X

Key Words:磁-热耦合;高频感应钎焊;温度场

Abstract:基于磁-热双向耦合理论,采用COMSOL Multi-physics建立三维非线性聚晶金刚石复合片(PDC)刀具高频感应钎焊温度场模型,计算高频感应钎焊时PDC钎焊处的温度场分布情况,设计所建模型的高频感应钎焊试验进行验证,分析钎焊处的温度变化规律.计算结果表明:在钎焊处温度达700℃之前,其升温变化规律近似线性,加热升温12 s左右即可达到钎焊有效温度;在钎焊有效温度区间内,试验中测得的钎焊处实际温度值与计算值的误差小于5%,可以此模型为基础确定钎焊参数.