As-quenched material, namely supercooling material or fast solidification material. Vacuum rapidly quenched technology is a significant method of preparing amorphous and nanocrystalline alloys.
真空快淬材料也叫急冷材料或快速凝固材料，真空快淬技术是制备非晶态金属和纳米晶合金的重要手段。
The no machining directional solidification hollow turbine blades, hollow guide vans and complex structure parts used in aero engine and gas turbine made by vacuum precision investment casting.
航空发动机、燃机等精铸真空无余量空心涡轮、导向叶片及复杂结构件。多种热处理炉上用料盘，夹具等耐热合金钢精铸件。
Have multiple non-vacuum and vacuum-melting equipment, mainly to the vacuum melting, directional solidification technology and the overall fine-grained technology.
拥有多台非真空和真空熔炼设备，以真空熔炼为主，有定向凝固技术和整体细晶技术。
This paper will discuss especially on the structure and working principle of continuous unidirectional solidification equipment under conditions of vacuum melting and argon shield.
本文将着重介绍真空熔化氩气保护连续定向凝固设备的结构特点及工作原理。
The vacuum melting and argon protecting continuous unidirectional solidification technology was introduced, which combines vacuum inductive melting with continuous unidirectional solidification.
阐述了真空熔炼、氢气保护下引法连续定向凝固工艺。
The effect of ultrasonic degassing under different time of A356 Aluminum alloy is studied by using vacuum decompress test, and the effect of ultrasonic field on the solidification microstructure.
以a356合金作为实验材料，通过真空减压试验考察超声场对金属气体去除效果的影响，研究超声场对铝合金凝固组织的影响。
The results show that infiltration and solidification are effectively promoted by vacuum-adjustable pressure infiltration process, which also avoids the gas and the inclusion binds.
结果表明，真空变压力浸渗法具有良好的渗流和凝固条件，避免了气体和夹杂物的裹入等问题；
The preparing soil sample made by indoor vacuum pre-stressing have advantages of short solidification period and simple operation.
室内真空预压制备土样，具有固结时间短、简便易行等优点，适用于岩土工程的理论研究和实际工程的模拟试验。
Through analyzing the density of vacuum counter-pressure casting samples under different keeping pressures, their solidification feeding behavior and mathematical model were discussed.
对不同保压压力下真空差压铸造试样致密度进行分析，探讨真空差压铸造工艺的凝固补缩特性，建立凝固补缩过程的数学模型。
Through analyzing the density of vacuum counter-pressure casting samples under different keeping pressures, their solidification feeding behavior and mathematical model were discussed.
对不同保压压力下真空差压铸造试样致密度进行分析，探讨真空差压铸造工艺的凝固补缩特性，建立凝固补缩过程的数学模型。
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