公开(公告)号：US20210354240A1

公开(公告)日：2021-11-18

申请号：US16999814

申请日：2018-02-24

申请人： SECRETARY, DEPARTMENT OF ATOMIC ENERGY

发明人： Brahma Nand UPADHYAYA ,  Pusbkar MISRA ,  Suresh Chandra VISHWAKARMA ,  Raiesh ARYA ,  Srikant M. OAK ,  Purushottam Das GUPTA

IPC分类号： B23K26/21 ,  B23K26/32

摘要： An improved laser welding method of materials by means of long pulse and high energy pulses of solid state lasers in such a manner that large depth of penetration with full depth or partial depth of penetration can be achieved with minimum surface evaporation in first pass of laser beam and enhanced surface smoothness having average surface smoothness of 5 mm by second pass of laser beam of lower power density and inclined at a particular inclination.