| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To safely and efficiently perform clad welding for a wide working area, such as the whole circumference welding of a large structure. <P>SOLUTION: The method of clad welding comprises a step of supplying a filler metal composed of an Fe-based alloy or an Ni-based alloy, a step of forming a preceding batch 111 for forming a rectangular working portion as the preceding batch by performing a plurality of passes while supplying the filler metal, a step of forming a following batch 112 for repeatedly forming rectangular working portions at the following batch 112 while forming overlapped portions 10 at a finishing end or a starting end of the working portion of the preceding batch 111, and a step of adjusting the length of the overlapped portions 10 according to the number of the layers 24, 25 in the clad welding. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
