1) pressure-tight casting
气密铸件
2) high gas-tight aluminum castings
高气密性铝合金铸件
1.
The technology can assure better surface quality and high dimensional precision and increase the filling ability of the alloy and improve inner quality of the casting, so it can be adopted for the casting with strict quality requirements and high complexity, especially for high integrity and high gas-tight aluminum castings.
本文论述了熔模石膏型真空增压铸造技术工艺过程和技术原理,并介绍了利用该工艺生产的典型的复杂、高致密、高气密性铝合金铸件。
3) investment casting
精密铸件
1.
Based on solidification and shrinkage theory of molten metal and fluid How theory through porous media, a mathematical model of predicting microporosities in Ti-Al alloy investment castings has been established under the condition of centrifugal pressure;.
根据金属液凝固收缩理论和多孔介质中流体流动原理,建立了离心压力下Ti-A1台金精密铸件中微观缩松缺陷预测的数学模型,采用该模型对Ti-Al增压涡轮铸件进行模拟计算,并进行了实验验证,结果表明,数学模型能够合理反映离心转速,离心半径、温度梯度和冷却速度等重要因素对微观缩松的影响规律,数值模拟结果与实验结果相吻合。
5) high-integrity casting
高致密铸件
6) Precision Castings
精密铸造件
补充资料：高气
1.不凡的才气，高妙的秉性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条