1Shibahara M, Ito S, Serizawa H, et al. Numerical simul-ation of pear-shaped bead cracking in narrow gap welding[J]. Transactionsof Joining and Welding Research Institute, 2003, 32 ( 2 ) : 335 - 341.
2Shibahara M, hoh S, Serizawa H, et al. Numerical pre-diction of- welding hot cracking using three-dimensionai FEM with temperature dependent interface element[ J]. Welding in the World, 2005, 49 (11/12) : 50 -57.
3Zhu Liang, Zheng Shaoxian, Chen Jianhong. Development of ul- tra-narrow gap welding with constrained are by flux band[ J]. Chi- na Welding. 2006, 15(2) : 44 -49.