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首页> 外文会议>Powder Metallurgy World Congress amp; Exhibition(Euro PM2004) vol.5: Full Density and Alternative Consolidation; Tools for Improving PM; PM Applications; 20041017-21; Vienna(AT) >Poisson's Ratio of Sintered Materials for Structural Machine Parts 1st Report from JPMA Machine Parts Committee
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Poisson's Ratio of Sintered Materials for Structural Machine Parts 1st Report from JPMA Machine Parts Committee

机译：JPMA机械零件委员会的第一份报告，结构机械零件的烧结材料的泊松比

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摘要

Three types of steel powders were prepared and then compacted, sintered, and heat-treated under various conditions. The relationships between the Young's modulus, shear modulus, Poisson's ratio of sintered materials, and porosity were investigated by an acoustic pulse method. The porosity had the greatest influence on the Young's modulus, shear modulus, and Poisson's ratio in comparison with sintering temperature, sintering atmosphere, and heat treatment. Furthermore, the Poisson's ratio depends on the pore size, i.e., the use powder. The Poisson's ratio was increased with an increase of the sintering temperature and with heat treatment at high porosity; the influence of the sintering atmosphere on the Poisson's ratio of the sintered heat-treated compact was not seen. An approximate equation between the Poisson's ratio and a porosity below 0.2 of a sintered heat-treated compact was also proposed.
机译：制备三种类型的钢粉，然后在各种条件下压实，烧结和热处理。用声脉冲法研究了杨氏模量，剪切模量，烧结材料的泊松比和孔隙率之间的关系。与烧结温度，烧结气氛和热处理相比，孔隙率对杨氏模量，剪切模量和泊松比的影响最大。此外，泊松比取决于孔径，即使用粉末。泊松比随烧结温度的升高和高孔隙率热处理的增加而增加。没有看到烧结气氛对热处理后的烧结体的泊松比的影响。还提出了泊松比与烧结后的烧结体的孔隙率低于0.2之间的近似方程。

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