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首页> 外文期刊>China Foundry >Newly developed vacuum differential pressure casting of thin-walled complicated Al-alloy castings
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Newly developed vacuum differential pressure casting of thin-walled complicated Al-alloy castings

机译：新开发的薄壁复杂铝合金铸件的真空差压铸造

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摘要

The newly designed vacuum differential pressure casting (VDPC) unit was introduced, by which the capabilityof the VDPC process to produce thin-walled complicated Al-alloy castings, that are free from oxides, gas pore andshrinkage cavity and thus enhance overall part quality, was studied. Experimental results were compared with those oftraditional gravity pouring and vacuum suction casting. The first series of experiments were focused on investigating thecastability of thin section Al-alloy casting. In the second series of experiments the metallographic evidence, castingstrength and soundness were examined. Finally, case studies of very interesting thin walled complicated casting applicationswere described. The advantages of the described technique have made possible to produce thin walled complicatedAl-alloy casting (up to a section thickness of 1 mm), which is not practical for gravity pouring and vacuum suction casting
机译：引入了新设计的真空差压铸造（VDPC）单元，通过该单元，VDPC工艺能够生产薄壁的复杂铝合金铸件，这些铸件不含氧化物，气孔和收缩腔，从而提高了整体零件质量。研究。将实验结果与传统重力浇注和真空吸铸的结果进行了比较。第一系列实验着重于研究薄截面铝合金铸件的铸造性。在第二系列实验中，检查了金相证据，铸件强度和稳健性。最后，描述了非常有趣的薄壁复杂铸造应用的案例研究。所述技术的优点使得可以生产薄壁的复杂铝合金铸件（截面厚度最大为1mm），这对于重力浇铸和真空抽吸铸造是不实际的。

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