摘要
报道用透射电子显微镜和Ｘ射线衍射对Ｈ１３．４０Ｃｒ等材料的激光快速熔凝组织的观察分析，结果表明：熔凝区中形成了位错型马氏体和孪晶型马氏体及碳化物，还讨论了它们的成因及扫描速度对组织的影响。
TEM and x-ray diffraction aralysis of microstrcture produced by laser rapid melting-quenching in H13.40Cr specimen indicates that dislocation marten site, internal twins-martsnsite and carbideparticals formed .The effect of scanning rate upon microstrure was also discussed.
基金
省科委应基和省教委科研基金
关键词
激光快速熔凝
枝晶
马氏体
显微分析
laser rapid. olidification,dendrite. martensite
microanalysis
