ductilecastiron相关论文
The cooling curves of ductile cast iron had been measured at workshop by thermal analyzer.Cooling curves and image analy......
用自蔓延铝热离心法对球墨铸铁管内表面进行了重熔处理,结果表明,在球墨铸铁管内表面形成了0.3mm厚的白口组织,其显微硬度为672HV,远远高于其铁素......
分析了预氧化法气体快速渗氮工艺特点,通过与低温铁素体氮碳共渗在球墨铸铁曲轴中的应用效果进行比较,认为该工艺渗氮速度快,效果......