我国棕刚玉,黑碳化硅的理化性能测定工作,是根据援外工作的要求,由第二砂轮厂,第四砂轮厂、郑州磨料磨具磨削研究所负责进行的。 为了了解我国棕刚玉,黑碳化硅的基本理化性能,我们对第二砂轮厂,第四砂轮厂各种 China’s corundum, black silicon carbide physical and chemical properties of determination, is based on the requirements of foreign aid work by the second wheel factory, the fourth wheel factory, Zhengzhou abrasive abrasive grinding Institute responsible for. In order to understand the basic physical and chemical properties of China’s corundum, black silicon carbide, we are the second wheel plant, the fourth wheel plant all