marble

Investigated the influence of calcite and fluorite on the metal transfer, non-metallic inclusion in droplet and gas pore in weld metal of stainless steel electrode by means of collecting in a water trough, optical microscopy, SEM, EDS and heap welding on plates,etc respectively.

采用水中收集熔滴、光学显微分析、电子扫描能谱分析、计算机图像分析及平板堆焊等试验方法 ,分别研究了大理石、萤石对不锈钢焊条熔滴过渡行为 ,以及它们对熔滴中非金属夹杂物及焊缝中气孔的影响。