Effects of Nonconventional Tools on the Thermo-Mechanical Response of Friction Stir Welded Materials

被引：11
作者：
Lampeas, George N. [1 ]
Diamantakos, Ioannis D. [1 ]
机构：
[1] Univ Patras, Dept Mech Engn & Aeronaut, Lab Technol & Strength Mat, Patras 26500, Greece
来源：
JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME | 2015年 / 137卷 / 05期
关键词：
friction stir welding; welding simulation; unconventional FSW tool; residual stresses; distortion; HEAT; STEEL;
D O I：
10.1115/1.4029857
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An investigation on the effect of two alternative friction stir welding (FSW) tool designs, namely, Bobbin tool and DeltaN tool, on the temperature profile, residual stress (RS), and distortion fields developing during FSW process is presented. The study is based on the semi-analytical calculation of the total heat generated during FSW. Subsequently, the calculated heat energy is applied as thermal load in a three-dimensional finite element (FE) thermo-mechanical model for the calculation of temperature history, RSs, and distortions. The overall methodology is validated through the comparison of the numerical results to respective experimental temperature measurements and distortions observations.
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页数：9
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