Numerical and experimental analysis of heat flux and residual stress of the friction welding process of ASTM A36 steel pipe and API flange
- Pissanti D.R. ,
- Brzostek R.C. ,
- Kroeff F.C. ,
- et al
- Pissanti D.R. ,
- Brzostek R.C. ,
- Kroeff F.C. ,
- Kanan L.F. ,
- Buzzatti D.T. ,
- Mattei F. and
- Strohaecker T.R.
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Numerical modelling and experimental measurements were undertaken to investigate the heat flux and residual stresses during a rotary friction welding process to fabricate joints between an ASTM A36 steel pipe (0.11%C, 0.2%Si, 0.92%Mn, 0.02%Cr, 0.02%Nb, 0.03%Al) and an API 6A flange. Welding experiments were conducted at a rotational speed of 500 rpm, friction force of 70 kN and forging force of 95 kN. The temperature distribution was measured by thermocouples and residual stresses were determined by X-ray diffraction. The numerical model was developed by adopting a coupled temperature-displacement procedure to solve the displacement and temperature fields simultaneously and a Johnson-Cook constitutive material model.
10th International Symposium, 20-22 May 2014, Poster Session, Paper 13
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