【摘要】 研究了铁道货车用新型高强度粉末冶金烧结耐磨合金衬套，并对主要添加元素Ni和Mo的作用机理进行讨论；与现用烧结铜钢衬套及27SiMn钢制衬套比较，提出替代建议。更多还原

【Abstract】 The new high-intensity sintered wear-resisting alloy bushing with powder metallurgy for railway carriage is researched,the mechanism of the main adding elements of Ni and Mo discussed,the bushing compared with the present-used sintered copper-steel bushing and 27SiMn steel bushing,institution suggestion proposed.更多还原