（2）真空压力浸渍法（vacuum pressure infiltration） 在真空和高压惰性气体的共同作用下，使熔融金属渗入预制件中制造金属基复合材料的方法。
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vacuum pressure infiltration techniques 真空压力浸渗
vacuum high-pressure infiltration 真空压力浸渍
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 infiltration process was done successfully on the base of the knowledge of hydraulic and vacuum negative pressure.
利用油缸液压和真空负压，成功实现了液态金属的浸渗。
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