...基砂混合之比例约5%〜13%,添加 比例越高可得较高强度之铸砂,但砂模之透气性会㆘降,若超过容许限度更会 产生气孔(Gas Hole)之缺陷。有了基砂及粘土,若将此㆓种加以混合,在干 态情况㆘是不具有粘结性,当然是豪无强度可言。
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Gas Hole Ratio 气孔率
Entrapped Gas Hole 卷入性气孔
gas hole rate 气孔率
Gas hole blow 天然气井喷
Precipitating gas hole 析出性气孔
gas drilled hole 天然气钻井
loudspeaker shaped gas hole morphology 喇叭形气孔形貌
gas valve hole 气阀孔
以上来源于: WordNet
Pay attention to their fair share of oil gas hole size, and the design of the gas points capacity.
注意气分内回油孔尺寸,还有气分的设计容积。
So often easily design overflow and air vent at inappropriate location, making casting generated gas hole.
所以常常容易因为溢流井与逃气道位置设计不当,使得铸件产生气孔的缺陷。
The effect of gas hole location on SMT solder joint fatigue life has been analyzed by finite element method .
分析发现,与无缺陷焊点相比,气孔使焊点中应力应变分布发生了改变,使焊点疲劳寿命缩短;
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