shrinkage cavity and porosity

基本解释

The main task of this paper is to develop prediction & analysis system of shrinkage cavity and porosity defect in a casting for foundry engineering application.
本论文以有限元分析软件为开发平台，运用设计参数化和功能模块化技术，初步开发了面向铸造工程应用的铸件缩孔缩松预测及缺陷分析系统。
The influence of chemical composition, inoculation process, temperature of molten iron and pouring system on the formation of shrinkage cavity and porosity was described.
叙述化学成分、孕育工艺、铁液温度及浇注系统等因素对薄壁球铁铸件缩孔和缩松形成的影响。
The numerical simulation of 3D temperature field of castings during solidification process was carried out and the shrinkage cavity and porosity of sample castings were predicted using G/R method.
对铸件开展了凝固过程三维温度场数值模拟，并应用G／R法对铸件进行了缩孔缩松预测。

缩松缩孔
By using this combination of process parameter, can reduce the defects such as gas trapping, oxide inclusion, shrinkage cavity and porosity, and shorten the production cycle of casting.
此组参数可减少裹气、氧化夹杂、缩松缩孔等铸造缺陷,并缩短压铸单位生产周期。