钢铁成分火花鉴别实验研究

Experimental Study on Discriminating lron and SteelIngredieuts Through Observation of Sparks

论述了钢铁材料火花产生的机理，对拍摄的７种常见钢铁材料的火花照片进行了分析研究，为实验提供了依据。

This paper discusses the mechanism of the production of sparks of iron and steel materials, analyses the photos common sparks and provides bases for further experiments.