皮下气孔是试棒表面存在较严重的点蚀缺陷,表面下约5mm的范围内存在的空洞称为皮下气孔〔2～5〕,皮下气孔中卷入了Ca、Si、Cl、S等夹杂元素。由于气体被阻挡在金属体的近表面处，形成气泡，并在气体的压力作用下将该处表面层的金属顶得凸起来，呈小丘状。
... subsurface mark 地下标志 ; 盘石 subsurface storage 地下储罐 ; 地下储存 ; 地下贮藏室 ; 地下储存;地下储罐 subsurface porosity 皮下气孔 ...
基于62个网页-相关网页
... 人的自觉 self-awareness of man 皮下气孔 subsurface pinholes 操作安全性 operational safety ...
基于10个网页-相关网页
... 密集气孔 porosity 皮下气孔 subsurface porosity ; subskin blowhole ; subskin bloall 气孔混凝土 aeratedconcrete ; aerocrete ...
基于1个网页-相关网页
在试验及模拟生产条件下测定了铁水氧电势，并建立了氧电势与铸件皮下气孔之间的关系。
Under the experimental and simulated production conditions, the oxygen potential was measured, and the relation between oxygen potential and pinhole defects were created.
进一步分析球墨铸铁活塞环皮下气孔的形成条件，通过优化主要工艺参数，达到防止皮下气孔的出现。
Through further analyzing the conditions of subsurface blowhole formation and optimizing the technology conditions, the subsurface blowhole defect was eliminated.
前言：对烘缸缸盖在铸造过程中易出现的皮下气孔问题进行了分析，并对缸盖浇注系统的工艺改进作了进一步探讨。
The essay analyzes the problem of blow-hole which is easily seen in the process of production and makes further discussion of the technology of improving lid casting.
应用推荐