某型缸盖皮下气孔的成因分析及解决措施  

Cause Analysis and Solutions of Subsurface Porosity in A Type Cylinder Head

作　　者：史晓阳 王涛[2] 张飞场 时小军 邓学涛[2] SHI Xiaoyang;WANG Tao;ZHANG Feichang;SHI Xiaojun;DENG Xuetao(Chinese Navy Military Representative Office in Xianyang,Xingping 713105,China;CSIC No.12 Research Institute,Xingping 713100,China)

机构地区：[1]海军驻咸阳地区军事代表室,陕西兴平713105 [2]中国船舶重工集团公司第十二研究所,陕西兴平713102

出　　处：《热加工工艺》2020年第23期156-158,共3页Hot Working Technology

摘　　要：对某型缸盖出现的皮下气孔缺陷进行了分析,研究了缺陷出现的原因和形成机理,并制定了相应的解决措施。通过控制冶金质量,涂料涂刷过程,砂芯排气及适宜的碳当量调整,有效避免了皮下气孔缺陷的产生。The defects of subcutaneous stomata in a cylinder head were analyzed,the reason and formation mechanism of defects were studied, and the corresponding measures were worked out. By controlling metallurgical quality, coating brushing process, sand core exhaust and suitable carbon equivalent adjustment, the defects of subcutaneous pores are avoided effectively.

关 键 词：气缸盖 皮下气孔 排气 

分 类 号：TG255[金属学及工艺—铸造] TG245