The effects of double coating on the pores of lime titania type stainless steel electrode are studied with high speed cinecamera, oscillograph, optical microscope, SEM with EDS, etc.

采用平板堆焊、高速摄影、波形、金相、扫描电镜能谱等测试方法，研究药皮对钛钙型不锈钢焊条气孔的影响。