消失模涂层透气性的研究进展  

Research Progress in Gas Permeability of Lost Foam Coating

作　　者：祖广怡 林有希[1] Zu GuangYi;Lin Youxi(College of Mechanical Engineering and Automation,Fuzhou University)

机构地区：[1]福州大学机械工程及自动化学院,福州350116

出　　处：《特种铸造及有色合金》2020年第2期192-196,共5页Special Casting & Nonferrous Alloys

基　　金：国家自然科学基金资助项目(51975123);福州市科技计划资助项目(2019-G-42)。

摘　　要：主要从消失模铸件气孔的形成原理、涂层透气性测试方法以及涂层透气性影响因素等方面进行了分析。总结了近年来关于消失模铸件气孔缺陷的研究进展,阐述了现阶段几种涂层透气性的检测原理,具体分析了涂料厚度、耐火骨粒以及有机添加剂对涂层透气性的影响。It was described for formation mechanism of the pores in the castings,the test methodes of the permeability of the coating and the factors affecting the permeability of the coating.The research progress of gas hole defects in lost foam castings was summarized in recent years.The principle of gas permeability testing of several coatings at present was expounded.The effects of coating thickness,refractory particles and organic additives on the permeability of coatings were analyzed.

关 键 词：消失模涂料 气孔缺陷 透气性检测 涂层厚度 耐火骨料 

分 类 号：TG249.6[金属学及工艺—铸造]