【摘要】 25钢基体锡磷青铜合金粉末等离子孤喷焊层，含有较多的强化相，与镀铬轮组成摩擦副，耐磨损性能明显优于由QA19-4青铜和镀铬轮组成的摩擦副.更多还原

【Abstract】 By using plasma arc method an Sn-P bronze hardfacing formed on steel 25,which contains more strengthening phases. The wearing property of the friction pair consisted of Sn-P bronze and Cr-plated wheel is better than that of bronze QAl 9-4 and Cr-plated wheel.更多还原