在较低激光功率(40～170 W)和两种扫描速度(10mm/s,5mm/s)辐照条件下,研究了CO2激光辐照工艺对非晶Fe73.5Cu1Nb3S13.5B9合金晶化行为的影响.用穆斯堡尔谱(MS)技术对原始态和晶化后样品进行了结构分析.研究发现:非晶Fe73.5Cu1Nb3S13.5B9表面产生了少量晶化,晶化相为Fe-Si结构;晶化量在2.1%～3.57%内,随激光功率的增加而增加.当激光功率较低时,低扫描速度对晶化的促进作用大于激光功率的作用;但是,随激光功率增大,速度的影响变弱.表面微观硬度随激光功率的增加而增加.
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