干砂消失模铸造金属液充填形态的研究  

A Study on the Filling Shape of Liquid Metal in Lost Foam Process with Dry Sand

作　　者：吴志超[1] 黄乃瑜[1] 罗吉荣[1] 王晓明 

机构地区：[1]华中科技大学材料学院,湖北武汉430074

出　　处：《热加工工艺》2000年第5期21-23,共3页Hot Working Technology

摘　　要：采用高速摄影法和电极触点法 ,对干砂消失模铸造金属液的充填形态进行了初步研究。结果表明 :由于浇注温度不同 ,铸铁和铝合金的充填形态有较大的差异 ,铸铁流动前沿有明显的气隙存在 ,不同浇注系统对充填形态也有一定的影响。The pilot study was done on the filling shape of liquid metal in lost foam process with dry sand by using rapid photography method and contact time method .The result shows that there is a biggish difference between iron and aluminum because of their different pouring temperatures.There is obvious gas gap at the flow front in iron.The pouring system has definite influence on the filling shape.

关 键 词：干砂消失模铸造 充填形态 高速摄影法 电极触点 

分 类 号：TG249.6[金属学及工艺—铸造]