Optimum selection of the technological parameters of plasma spraying and field tests show that spraying COWC35 wear-resistant coating on the surface ofdrawworks brake drum is preferable.

• 等离子喷涂工艺参数的优选和试验研究的初步结果表明,在绞车刹车鼓表面喷涂CoWC35耐磨硬质合金涂层的工艺是可行的。