【摘要】 针对铝矿高碱高温工况，以及各种化学元素对材质性能的作用，通过选择合适的化学 成分、铸造、熔炼及热处理工艺，并采用低廉材料，获得硬度和韧性都较高的贝氏体组织 ， 为铝矿等湿磨提供了一种高性能磨球材料。更多还原

【Abstract】 Considering the high alkalinity and high temperature workingconditions of wet－ grinding of aluminum ore and the effects of various elements on proper t ies,a sort of bainite nodular iron with both high hardness and high toughness wa s obtained by selecting proper chemical composition,proper foundry method,mel tin g process and heat treatment process,and,as well as,adopting cheap material; so t hat a sort of high property material was provided for making the grinding b alls used for wet－ grinding of aluminum ore and similar ores.更多还原