根据回转盘铸铁件的结构特征,通过数值模拟分析及优化,确定了分型面选于铸件的大平面处;浇铸位置选择大平面朝上,精度要求较高的燕......

使用中频电炉熔炼合成铸铁,必须采用增碳技术,以保证铁液中碳含量在工艺要求的范围内。在中频电炉熔炼新工艺中,根据增碳剂分类及......

In this study, three kinds of modified ultra-fine ceramic powders marked A, B and C, which were prepared by each of thre......