碳钢表面氮硼激光合金化的研究

Study of N-B laser alloying in the carbon steel surface

本文介绍了用 CO_2激光束对45钢表面进行激光合金的处理,对合金层的相结构,元素分布,显微组织,硬度和耐磨性进行了测试和分析,结果表明,合金层的性能产生了多种强化效应。

The article presents our experimental procedure of N-B alloying in the 45 steel surface by a CO_2 laser beam.The phase struc- ture,the distribution of the elements,the microstructure,the hardness and the resistance to abrasion of the alloy layer are examined and analyzed.The results indicate that the alloy layer will provide many strengthening effects.