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首页> 外文会议>Euro PM2008 congress amp; exhibition proceedings >Highly Porous Rigid Fibre Structures Made from Light Metals
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Highly Porous Rigid Fibre Structures Made from Light Metals

机译：轻金属制成的高度多孔的刚性纤维结构

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Highly porous parts based on aluminium alloys are interesting materials for applications inrnthermal management and construction, whereas porous magnesium alloys are promisingrncandidates for absorbable medical implants. Single short fibers of Al or Mg alloys with anrnequivalent diameter between 90 and 210 μm were manufactured by melt extraction. Somernfibers were coated before sintering to ensure good sinter contacts. Thermodynamicrncalculations were used to determine the alloy composition and the best conditions for liquidrnphase sintering for the selected alloys. The manufactured fiber structures show excellentrnsintering quality, good mechanical properties and high heat conductivity. Metallographicrnstudies show good sintering contacts among the fibers as well as to housing sheets. Due tornthe rough surface of the fibers and the high porosity of the structures, they show a very highrninner surface which is crucial for the targeted applications.
机译：基于铝合金的高度多孔零件是在热管理和构造中应用的有趣材料，而多孔镁合金则是可吸收医疗植入物的有前途的候选材料。通过熔体萃取制造了等效直径在90至210μm之间的Al或Mg合金的单根短纤维。在烧结前先对一些纤维进行涂覆，以确保良好的烧结接触。使用热力学计算来确定合金成分和所选合金的液相烧结最佳条件。所制造的纤维结构显示出优异的烧结质量，良好的机械性能和高导热性。金相研究显示纤维之间以及与外壳之间的良好烧结接触。由于纤维的粗糙表面和结构的高孔隙率，它们显示出非常高的内表面，这对于目标应用至关重要。

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