Hard Spot and Hard Metallic Inclusion in Aluminum Die Casting Trend and extreme value of intersection of solids 铝压铸件中的硬质点及硬质金属杂质相相贯线的趋势及极值点
In order to enhance quality of wheel steel, to suit needs of wheel for high speed railway, chemical composition, gas concentration, non metallic inclusion and mechanical property of refining wheel steel in this paper has been investigated. 为了提高车轮钢质量,满足高速铁路对车轮的需要,对马钢生产的快速车轮钢的化学成分、气体含量、非金属夹杂和力学性能作了统计分析。