【摘要】 加入 <0 .8 %的Cu显著减少叶轮叶片尖角薄断面白口 ,改善叶轮可切削性能 ;加入Cu的铸铁 ,流动性改善 ,有利于提高铸件致密度。所以Cu能有效地提高水泵叶轮的耐磨性能更多还原

【Abstract】 Adding Cu less than 0.8% , which may reduce Fe₃C in thin-wall section of impeller and vane and improve the property of cutting; The fluid of the cast iron which add to Cu is improved in favor of increasing compact degree. So Cu can enhance wearable property of impeller effectively.更多还原