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two pieces of metallic materials process for welding of dissimilar head in particular pieces with the use of a beam laseracciaio medium or high carbon content
two pieces of metallic materials process for welding of dissimilar head in particular pieces with the use of a beam laseracciaio medium or high carbon content
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机译:两片金属材料的工艺,使用中等或高碳含量的激光束焊接异种头,尤其是异种头
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摘要
The method enables the butt welding of two metal pieces (1,2; 10,12) which are difficult to weld, particularly pieces of medium or high carbon content steel, with the use of a laser beam (L). Very briefly, it comprises the steps of: placing the surfaces of the pieces (1,2; 10,12) to be welded in mutual contact, directing two laser beams (L) at homologous points of two opposite sides (4,5) of the zone (S) of contact of the surfaces of the two pieces (1,2; 10,12), the beams (L) having a power such to ensure a thin, deep-penetration weld (6,7; M) having a substantially constant section and forming solidification menisci (6a, 7a) with convex profiles.
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