摩擦叠焊单元成形过程分析

doi:10.3901/JME.2016.08.097

机械工程学报 ›› 2016, Vol. 52 ›› Issue (8): 97-103.doi: 10.3901/JME.2016.08.097

摩擦叠焊单元成形过程分析

曲瑞¹, 杨立军¹, 田丽峰¹, 许威², 崔雷¹, 殷亚运¹

1. 天津大学材料科学与工程学院天津 300072;
2. 海洋石油工程股份有限公司建造公司天津 300461

出版日期:2016-04-15 发布日期:2016-04-15
作者简介:曲瑞,男,1989年出生。主要研究方向为摩擦叠焊设备开发与工艺控制。E-mail：qu_ray@163.com;杨立军(通信作者),男,1966年出生,博士,教授。主要研究方向为材料加工过程测控。E-mail：yljabc@tju.edu.cn
基金资助:
国家高技术研究发展计划资助项目(863计划,2011AA090302)

Procedure Analysis of Friction Hydro Pillar Processing

QU Rui¹, YANG Lijun¹, TIAN Lifeng¹, XU Wei², CUI Lei¹, YIN Yayun¹

1. School of Materials Science and Engineering, Tianjin University, Tianjin 300072;
2. The Fabrication Company of Offshore Oil Engineering Co., Ltd., Tianjin 300461

Online:2016-04-15 Published:2016-04-15

摘要/Abstract

摘要： 借助高速摄像机拍摄典型的圆柱形塞棒+圆柱形孔的摩擦叠焊单元成形摩擦液柱成形(Friction hydro pillar processing, FHPP)完整过程,观察塞棒与孔的红热状态和外观变化,还将本试验的FHPP焊接过程按塞棒消耗量由短到长进行分段焊接,制作各分段单元纵切面试样。将采集的焊接过程参数变化曲线与高速摄像图片以及各分段焊接单元的焊接试样剖面图进行对比分析,针对各参数以及焊接过程单元形貌随时间的变化,将焊接过程划分为焊前、焊接、保持三个阶段。焊接过程各参数有相应波动,尤其扭矩波动较大。研究发现焊接过程产生不连续的摩擦剪切面,摩擦剪切面不断“产生-压溃-挤出”,完成摩擦叠焊单元的成形。摩擦挤出物可分为塞棒飞边与母材飞边两部分。

关键词: 单元成形, 飞边, 摩擦叠焊, 摩擦剪切

Abstract: A whole forming process of friction hydro pillar processing (FHPP) with the rod and hole of cylindrical shape is filmed by a high-speed camera for observing the red-hot state and appearance changes. The welding process of FHPP is divided into several segments of welding respectively according to the rod consumption and the welds of each of these segments are made into longitudinal section specimens. A synchronized analysis is done on basis of the curves of the welding parameters, high-speed camera images and longitudinal sections of each subsection welding unit. The welding process is divided into pre-welding, welding and holding stages according to the parameter curves and the states of the units. All of the welding parameters especially the torque fluctuate during the welding process. It is discovered that a series of discontinuous friction shearing layers are generated during the welding process and these friction shearing layers are constantly “generated-collapsed-squeezed out” to form the friction stitch welding unit. The material squeezed out can be divided into two parts named rod flash and base metal flash.

Key words: flash, friction shearing, friction stitch welding, unit forming

中图分类号:

TG453

曲瑞, 杨立军, 田丽峰, 许威, 崔雷, 殷亚运. 摩擦叠焊单元成形过程分析[J]. 机械工程学报, 2016, 52(8): 97-103.

QU Rui, YANG Lijun, TIAN Lifeng, XU Wei, CUI Lei, YIN Yayun. Procedure Analysis of Friction Hydro Pillar Processing[J]. Journal of Mechanical Engineering, 2016, 52(8): 97-103.

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摩擦叠焊单元成形过程分析

Procedure Analysis of Friction Hydro Pillar Processing

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