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首页> 外文会议>Materials forum - aluminium alloys, their physical and mechanical properties - Volume 28 - 2004 >Development of Porous Aluminium by Metal Injection Moulding
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Development of Porous Aluminium by Metal Injection Moulding

机译：金属注射成型开发多孔铝

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This study describes the net-shape manufacturing of porous aluminium components by thernmetal injection moulding (MIM) process, which is a manufacturing method combining therntraditional powder metallurgy process with plastic injection moulding. The powder spacernholder method was applied to the MIM process. In addition to aluminium powder andrnthermoplastic binders, coarse spherical materials made of thermoplastics were used asrnlost material for formation of fine opened porous structures in MIM components. Therncompact-ability, density of green compacts, or sintered body and shrinkage percentage ofrnISO dumbbell specimens fabricated by the MIM process were also investigated inrncomparison to high densified aluminium MIM specimens with variable fraction ofrnaluminium powder. The effects of fraction of space hold particle on the pore size andrnmechanical properties of porous sintered body were also investigated. From thesernexperimental results, it was concluded that the micro-scale fine opened aluminium porousrnmaterials can be fabricated with optimizing the fraction of spherical materials for spacesrnand sintering conditions.
机译：这项研究描述了通过金属注射成型（MIM）工艺净成型多孔铝部件的方法，MIM工艺是将传统粉末冶金工艺与塑料注射成型相结合的制造方法。粉末间隔器法应用于MIM工艺。除了铝粉和热塑性粘合剂外，热塑性材料制成的粗糙球形材料也被用作散装材料，用于在MIM组件中形成细小的多孔结构。还比较了用MIM工艺制备的ISO哑铃样品的压实性能，生坯密度或烧结体的收缩率以及收缩率，以与可变比例的铝粉的高密度铝MIM样品进行比较。还研究了空间保留颗粒的比例对多孔烧结体孔径和力学性能的影响。从实验结果出发，可以得出结论：对于空间和烧结条件，可以通过优化球形材料的比例来制备微米级细孔铝多孔材料。

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