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1·Objective To observe the structure alloyage in the fusion zone of different metals welded by laser.

目的观察不同金属之间焊接后熔焊区组织合金化情况。

2·This paper has described the new process combined with the modification, inoculation and micro-alloyage technology in the manufacturing of high quality high-Cr white cast iron.

介绍将变质处理、孕育处理和微合金化技术结合使用于优质高铬白口铸铁生产的新工艺。