排气门密封面等离子弧喷焊层气孔的激光补焊

LASER BEAM REPAIR FOR POROSITY IN PLASMA SPRAY FUSION LAYER OF SEALING FACE FOR AIR OUTLET VALVE

介绍了激光补焊的工艺方法,分析了激光工艺参数对补焊区尺寸、组织和硬度的影响.

The procedure for repair the pores within plasma spray layer of sealing face for air outlet valve with laser beam heating is introduced. The effects of laser beam heating parameters on dimension, metal structure and hardness of repair zones are discussed.