小端面冲击连接效应的若干问题讨论

武琪昌; 何建萍

小端面冲击连接效应的若干问题讨论

武琪昌,
何建萍^,

上海工程技术大学材料工程学院, 上海201620

详细信息

作者简介:
武琪昌（1996−），男，在读硕士，研究方向为微束等离子弧焊及冲击焊. E-mail: wwuqichang@163.com

通讯作者:
何建萍（1964−），女，教授，博士，研究方向为微束等离子弧焊及冲击焊. E-mail: janejphe@sues.edu.cn

中图分类号: TG456.9
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- 被引次数: 0
出版历程
- 收稿日期: 2020-12-31
- 刊出日期: 2022-02-23

Discussion on some problems of small face impact bonding effect

WU Qichang,
HE Jianping^,

School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, China

摘要

摘要: 碰撞冲击连接凭借其优异的连接性能得到广泛关注. 为探讨小端面冲击连接效应，首先从冲击焊的连接界面形貌出发，探讨冲击连接界面形貌对力学性能的影响，指出波浪形界面对可靠接头的重要性，并从大端面冲击连接的过程进一步讨论波浪形界面的形成机理，在此基础上讨论小端面冲击连接的波浪形界面形成机理，指出人为设置的带倾角的碰撞是形成小端面波浪形界面的前提，同时提出解决小端面带倾角碰撞所出现的非对称问题的有效方法是将复板连接端面改为锥形端面.
- 小端面冲击连接 /
- 界面形貌 /
- 波浪形界面
Abstract: Impact bonding has attracted much attention due to its excellent performance. In order to understand impact bonding effect with small face, the interface morphology by impact welding was investigated, the affecting of interface morphology on mechanical properties of welds was discussed, and it is indicated that the wavy interface is important for a reliable weld. In addition, based on bonding process of impact welding workpiece with large face, the formation mechanism of wavy interface was further analyzed. On this basis, the formation mechanism of wavy interface produced for impact welding workpiece with small face was discussed. It is indicated that an artificially set collision angle is necessary to form a wavy interface. Moreover, it is proposed that the effective method to solve the asymmetric problem occurred in impact welding workpiece with small face is to change the bonding surface of flying plate with conical bonding face.
- impact bonding effect with small face /
- interface morphology /
- wavy interface

HTML全文

图 1 不同强度基板焊接试样界面^[13]

Figure 1. Interface of different strength base plate welding samples^[13]

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图 2 爆炸焊界面连接过程

Figure 2. Interface connection process of explosive welding

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图 3 磁脉冲焊焊接界面连接过程

Figure 3. Welding interface connection process of magnetic pulse welding

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图 4 电磁冲击焊界面连接过程

Figure 4. Interface connection process of electromagnetic impact welding

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图 5 界面波形成过程^[41]

Figure 5. Interface wave formation process^[41]

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图 6 焊接材料碰撞冲击示意图

Figure 6. Impact diagram of welding material

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图 7 小端面冲击连接的倾斜碰撞过程

Figure 7. Oblique impact process of small end impact connection

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图 8 植柱型旋转碰撞冲击连接试样

Figure 8. Samples of stud-type spin impact bonding

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图 9 小端面冲击连接的对称性碰撞过程

Figure 9. Symmetric impact process of small end impact connection

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