A method of laser welding, comprising coating the back of an item to be wrought with a material exhibiting high affinity with ambient gas so as to prevent penetration of ambient gas into a molten metal and occurrence of welding defects; and a method of laser welding wherein simplified means are employed so as to facilitate welding of a thick plate by the use of high output laser.
申请公布号
WO2004002671(A1)
申请公布日期
2004.01.08
申请号
WO2003JP08207
申请日期
2003.06.27
申请人
NATIONAL INSTITUTE FOR MATERIALS SCIENCE;KURODA, SEIJI;FUKUSHIMA, TAKESHI;TSUKAMOTO, SUSUMU;ARAKANE, GORO