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- The gas holes in investment steel casting are divided into three types, including precipitating gas hole with subdivision of supersaturated and reactive gas holes、blow gas hole and entrapped gas hole. 将熔模铸钢件的气孔分为析出性、侵入性、卷入性3种类型，其中析出性气孔又分为过溶析出性和反应析出性两类。
- In-situ Observation and Analysis on the Formation of the Precipitating Gas Hole during Casting 铸件内析出性气孔形成及演化的直接观察与分析
- Precipitating gas hole 析出性气孔
- The gas hole, shrinkage cavity and crack were eliminated through up-grading technology. 并且改进工艺，以消除气孔、收缩和裂纹。
- And the mechanism of forming loudspeaker shaped gas hole in tin bronze sleeves has discussed. 为防止此类气孔缺陷提供了理论依据。
- In order to reduce gas hole defects in the rear axle housing castings,oddside venting system was used. 为解决汽车后桥外壳铸件存在的气孔缺陷,采了假型排气系统。
- Increase in inserted depth of crystallizer could eliminate gas hole and porosity. 将结晶器插入深度增加,可使气孔、缩松问题得到解决。
- This paper analyses theoretically and technologically, the reason of barrel tooth holders sealing off ,of produced gas hole and cold crack. 从理论和工艺上分析滚筒齿座开焊的原因、气孔的产生和怎样减少气孔生成、冷裂现象生成及其予防。
- Gas hole and inclusion can be reduced by properly increasing thickness,and quality of the chilling layer, uniformly spraying and cleaning the mould cavity on time. 适度增加激冷层厚度,提高激冷层品质,均匀喷涂并及时清理模具型腔,可减少气孔和夹杂物缺陷。
- The paper deals with the influence of deoxidize content in covering on gas hole of surface welding and discusses the relationship between the gas hole and diffusion hydrogen. 研究了药皮组成中脱氧剂含量对堆焊焊条气孔的影响原因;讨论了焊缝中扩散氢含量与气孔间的关系.;研究表明:在同样条件下;随着脱氧剂含量的增加;酸性焊条气孔敏感性增大;
- Based on analogic theory, hydraulic model was founded to choose the optimum gating system for prevention from casting defects including gas hole and misrun. 水力模拟依据相似理论,建立水力模型,选出最佳浇注系统,防止吸气、浇不足等缺陷;
- During pouring process, gas in mold can't be emitted from mold cavity and delays in it, it is the reason that the defects such as gas hole, unshaped appear. 铁液浇注时若型腔气体不能顺利排出,滞留在铸型中,铸件就会出现气孔或残缺类缺陷。
- Adapting for processing wire-cut starting hole in various metal and skuperhard conducted meterial, jet hole, filtering hole, gas hole, group hole, deep and thin hole as well as super deep hole. 本机床使用于多种金属、超硬导电体材料的切割初始孔、喷嘴孔、滤孔、气孔、群孔等细微孔、超深孔加工。
- Investigation on the loudspeaker shaped gas hole morphology in tin bronze sleeves cast by centrifugal casting have been carried out by optical and scanning electron microscope observation. 在对锡青铜离心轴套铸件的喇叭形气孔形貌进行分析的基础上，归纳出喇叭形气孔的形成机理。
- I'll refill my cigarette lighter with gas. 我将给打火机再灌满汽油。
- Origination of Gas Hole in Cu Alloy Propeller 浅析铜合金螺旋桨铸件气孔缺陷产生原因
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- We are well served with gas in this town. 这个城镇煤气供应得很好。
- Prevention of Gas Hole Defect of Bed Castings 底座气孔缺陷的防止
- Keywords Cast part Irruptive gas Hole; 铸件;侵入气孔;
