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首页> 外文期刊>Journal of Materials Engineering and Performance >Ti Alloy Three-Way Pipe Fabricated by the Combination of 3D Printing and Cold Isostatic Pressing
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Ti Alloy Three-Way Pipe Fabricated by the Combination of 3D Printing and Cold Isostatic Pressing

机译：Ti合金三通管由3D印刷和冷等静压组合制造

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摘要

In this study, complex-shaped Ti alloys with near-full density, using three-way pipe as an example, were achieved by the combination of 3D printing and cold isostatic pressing (CIP). A new CIP capsule consisting of porous internal support core and the external shell was prepared by 3D printing, which made it feasible to achieve internal and external co-pressing on Ti-6Al-4V powder during CIP. Therefore, complex-shaped green body was obtained with good surface quality, without obvious defects or cracks. After sintering at 1230 degrees C, the sintered sample had equivalent mechanical properties (hardness = 382 HV, elongation = 15.5%, tensile strength = 929 MPa and yield strength = 862 MPa) compared to the ASTMB381 standard. This study presents a novel method for fabricating complex-shaped Ti alloys with comprehensive mechanical properties.
机译：在该研究中，通过三向管道为例，通过3D印刷和冷等静压（CIP）的组合来实现具有近乎全密度的复合形Ti合金。 通过3D印刷制备包括多孔内部支撑芯和外壳组成的新的CIP胶囊，这使得在CIP期间在Ti-6Al-4V粉末上实现内部和外部加压。 因此，具有良好的表面质量，无明显缺陷或裂缝获得复杂的绿体。 与ASTMB381标准相比，烧结样品具有等效的机械性能（硬度= 382HV，伸长率= 15.5％，抗拉强度= 929MPa，屈服强度= 862MPa）。 该研究提出了一种具有综合机械性能的复杂形Ti合金的新方法。

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