PROCESS MODELLING OF LINEAR FRICTION WELDING (LFW) BETWEEN AA2124/SICP COMPOSITE AND UNREINFORCED ALLOY

Journal article

In the present study, the Linear Friction Welding (LFW) process between a bar of Metal Matrix Composite (MMC) AMC225xe (AA2124 with 25% SiC particulate reinforcement) and a bar of unreinforced base alloy was simulated using the commercial finite element package ABAQUS TM. Fully coupled implicit thermo-mechanical analysis procedure was employed, with semi-automatic re-meshing using Python scripting and output database scripting methods for extracting deformed configurations. Due to the large deformation near the weld region, multiple analyses were carried out between each re-meshing stage in order to limit the element distortion. Comparison of the simulation results with the experimental data collected during welding, and with post-weld optical section micrograph has shown satisfactory agreement.

Authors: Song, X; Baimpas, N; Harding, S; Korsunsky, A

• Publication status: Published
• Journal: COMPUTATIONAL METHODS FOR COUPLED PROBLEMS IN SCIENCE AND ENGINEERING IV
• Pages: 1379-1387
• Publication date: 2011-01-01
• Language: English
• Keywords: Fully coupled thermo-mechanical process modelling; Finite Elements (FE); Metal Matrix Composite (MMC); Linear Friction Welding (LFW)