Based on ablation test of single particle diamond and wear resistance test of oxygen-acetylene repairing welding samples, the heat insulator for superhard material welding is developed.

• 通过单颗粒金刚石的烧蚀试验和氧乙炔堆焊试样的耐磨性试验,开发出适用于超硬材料焊接用的热绝缘剂。