Prediction of fatigue life of welding tool in friction stir welding of AA6061-T6
作者： Z. Zhang , Q. Wu , H. W. Zhang
DOI: 10.1007/S00170-016-8475-X
关键词: Friction welding 、 Rotational speed 、 Compression (physics) 、 Finite element method 、 Welding 、 Structural engineering 、 Friction stir welding 、 Transverse plane 、 Tension (physics) 、 Materials science
摘要: Computational fluid dynamics model is proposed for the calculation of tool forces in friction stir welding AA6061-T6. Then, a finite element established to calculate fatigue stress tool. Damage accumulation method and KBM multiaxial formulation are used predict life Results indicate that stresses on pin tension at front side compression rear side. Fatigue can be increased with increase rotation speed decreased transverse speed. Both shoulder diameter lead
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