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TiC与TiN因晶格常数相近而可互溶生成碳氮化钛,其硬度介于TiC与TiN之间,而比TiN硬得多,涂于钢铁工件上可使寿命大为提高。本文叙述了不用CH_4、CCl_4而只用C_5H_5Cl+N_2+H_2+TiCl_4体系沉积Ti(C、N)的工艺条件和淬火方法。模具经此法处理后表面硬度可达2400kg/mm~2,使用保护气体强制冷却淬火不仅使硬度达到生产要求,还能解决工件在淬火中的变形与开裂问题。试验表明此法可提高模具寿命2到5倍。
TiC and TiN due to the lattice constant similar to each other can be dissolved into titanium carbonitride, the hardness between TiC and TiN, but much harder than TiN, painted steel parts can make life expectancy greatly improved. This article describes the process conditions and quenching methods for the deposition of Ti (C, N) without the use of CH_4 and CCl_4 but using the C_5H_5Cl + N_2 + H_2 + TiCl_4 system. The surface hardness of the mold after processing this method up to 2400kg / mm ~ 2, the use of protective gas forced cooling quenching not only to meet the production requirements of hardness, but also to solve the workpiece in the quenching of the deformation and cracking problems. Experiments show that this method can improve the mold life of 2 to 5 times.