A. Mehmanparast et alii, Frattura ed Integrità Strutturale, 35 (2016) 125-131; DOI: 10.3221/IGF-ESIS.35.15 131  James, M. N., Webster, P. J., Hughes, D. J., Chen, Z., Ratel, N., Ting, S. P., Bruno, G., and Steuwer, A., Correlating weld process conditions, residual strain and stress, microstructure and mechanical properties for high strength steel- the role of neutron diffraction strain scanning, Materials Science and Engineering: A., 427 (2006) 16-26.  Deng, D., Murakawa, H., Liang, W., Numerical and experimental investigations on welding residual stress in multi- pass butt-welded austenitic stainless steel pipe, Computational Materials Science., 42 (2008) 234-244.  Chang, P.-H., and Teng, T.-L., Numerical and experimental investigations on the residual stresses of the butt-welded joints, Computational Materials Science., 29 (2004) 511-522.  Murugan, S., Rai, S. K., Kumar, P. V., Jayakumar, T., Raj, B., and Bose, M. S. C., Temperature distribution and residual stresses due to multipass welding in type 304 stainless steel and low carbon steel weld pads, International Journal of Pressure Vessels and Piping., 78 (2001) 307-317.  Liu, C., Zhang, J. X., and Xue, C. B., Numerical investigation on residual stress distribution and evolution during multipass narrow gap welding of thick-walled stainless steel pipes, Fusion Engineering and Design., 86 (2011) 288- 295.  Cho, J. R., Lee, B. Y., Moon, Y. H., and Van Tyne, C. J., Investigation of residual stress and post weld heat treatment of multi-pass welds by finite element method and experiments, Journal of Materials Processing Technology., 155–156 (2004) 1690-1695.  Teng, T.-L., Chang, P.-H., and Tseng, W.-C., Effect of welding sequences on residual stresses, Computers & Structures., 81(2003) 273-286.  Ji, S. D., Fang, H. Y., Liu, X. S., and Meng, Q. G., Influence of a welding sequence on the welding residual stress of a thick plate, Modelling and Simulation in Materials Science and Engineering., 13 (2005) 553-565.