α淀粉复合粘结剂在型砂中的应用研究  

A Study on the Application of α -starch Compound Binder in Molding Sand

作　　者：周霞[1] 高钦[1] 程骥[1] 曲国珲 

机构地区：[1]大连理工大学 [2]大连重型机器厂

出　　处：《铸造技术》1996年第4期44-48,共5页Foundry Technology

摘　　要：对使用α淀粉复合粘结剂的型（芯）砂性能进行了试验．实验表明，α淀粉复合粘结剂能有效地提高型（芯）砂的湿强度、干强度和高温强度．确定出该粘结剂的合适配方。Experiments on properties of molding(core)sand using α starch compound binder were conducted The experiments show that α starch compound binder can effectively raise green strength,drying strength and high temperature strength of molding (core) sand The appropriate range of prescription for the binder was determined,and qualified castings could be obtained

关 键 词：α淀粉 复合粘结剂 型砂 

分 类 号：TG221.1[金属学及工艺—铸造]