Numerical analysis of heat generation and temperature field in reverse dual-rotation friction stir welding

被引：27
作者：
Shi, L. [1 ]
Wu, C. S. [1 ]
Liu, H. J. [2 ]
机构：
[1] Shandong Univ, Inst Mat Joining, MOE Key Lab Liquid Solid Struct Evolut & Mat Proc, Jinan 250061, Peoples R China
[2] Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2014年 / 74卷 / 1-4期
关键词：
Heat generation; Temperature field; Reverse dual-rotation friction stir welding; Numerical analysis; FINITE-ELEMENT-METHOD; MATERIAL FLOW; CONSTITUTIVE-EQUATIONS; MECHANICAL-PROPERTIES; 3-DIMENSIONAL HEAT; DISSIMILAR ALLOYS; ALUMINUM-ALLOYS; STAINLESS-STEEL; PLASTIC-FLOW; MILD-STEEL;
D O I：
10.1007/s00170-014-5967-4
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A 3D model is developed for numerical analysis for heat generation, temperature field, and material flow in reverse dual-rotation friction stir welding (RDR-FSW) process. The reverse rotation of the assisted shoulder and the tool pin is considered to determine the heat generation rate. Friction heat, plastic deformation heat, and their partition coefficients are analyzed. Due to the tool pin and assisted shoulder being separated and reversely rotated independently, the temperature difference between the advancing and retreating sides is weakened. The reverse material flow is beneficial to the uniformity of both the temperature and microstructure at the advancing and retreating sides. The calculated temperature profiles agree well with the corresponding experimentally measured values.
引用
收藏
页码：319 / 334
页数：16
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