ZG20SiMn高温流变性能研究  

STUDY ON THE RHEOLOGIC PROPERTY OF ZG20SiMn AT HIGH TEMPERATURE

作　　者：康进武[1] 熊守美[1] 柳百成[1] 黄天佑[1] 

机构地区：[1]清华大学机械工程系,北京100084

出　　处：《上海金属》2004年第1期7-11,共5页Shanghai Metals

摘　　要：在Gleeble-15000热力模拟实验机上测定了ZG20SiMn从300℃到固相线温度区间的流变性能,辨识出其符合流变学[H]-[NIS]模型以及流变参数。将流变学模型和拉伸实验得到的弹塑性模型进行了比较分析,结果表明流变学模型更适合描述铸件的高温力学行为。The rheologic property of ZG20SiMn was tested by the Gleeble-1500 thermo-mechanical simulator between 300C and its solidus. The [H]-[NIS] model of ZG20SiMn complied with the rheology was identified, and its rheologic parameter was acquired. The rheologic model was compared with the elastic-plastic model obtained by tensile test. The result showed that the rheologic model was more suitable to describe the mechanical property of the casting material between 300C and its solidus.

关 键 词：ZG20SIMN 高温流变性能 热力模拟实验机 流变学模型 弹塑性模型 铸件 

分 类 号：TG142.1[一般工业技术—材料科学与工程] TG26[金属学及工艺—金属材料]