采用二次真空熔铸工艺提高ZG0Cr16Ni4NbCu3精铸件表面质量  

Improvement of Surface Quality of ZG0Cr16Ni4NbCu3 Precision Castings Using Vacuum Melting and Pouring Process

作　　者：卢永祥 

机构地区：[1]庆安集团有限公司,陕西西安710077

出　　处：《铸造技术》2012年第12期1443-1444,共2页Foundry Technology

摘　　要：从消除ZG0Cr16Ni4NbCu3不锈钢精铸件表面氧化夹杂、气孔等缺陷出发,解决铸件锈蚀。通过生产工艺改进和熔炼工艺试验,提出采用二次真空熔铸工艺,是解决上述问题乃至提升铸件整体成形质量的有效途径。In order to eliminate the surface flaw, such as oxide slag, cavity, rust and so on, in the precision castings of stainless steel ZGOCr17Ni4NiCu3, some improvements in production and melting process were tested, and a effective way using vacuum melting and pouring process to solve those casting flaw and enhance castings overall forming quality was put forward.

关 键 词：ZG0Cr16Ni4NbCu3钢 精铸件 真空熔炼 锈斑 氧化夹杂 

分 类 号：TG243[金属学及工艺—铸造]