Simulation of Explosive Welding with Reasonable Gap Based on ALE Method
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 6
Abstract
In order to study the range of reasonable gap of explosive welding composite pipe, using Arbitrary Lagrange Euler (ALE) method to carry out Finite Element Analysis of explosive welding composite pipe, and simulating the dynamic process of explosive welding composite pipe in different gaps. The results showed that the influence of the gap to the collision speed, collision pressure, and effective plastic strain were obvious. While the collision speed increases with the increase of the gap, the collision pressure decreases with the gap increases, and the effective plastic strain was increased with the increase of the gap. The lower limit of the gap should meet that the composite tube collision velocity greater than the minimum impact speed. Combined with empirical formulas and experiment, a reasonable gap that was given by the simulation results is 0.5mm-0.8mm for such composite pipe.
Authors and Affiliations
Wei Deng
Keywords
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