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首页> 外文会议>IUTAM Symposium on Multiscale Modeling and Characterization of Elastic-Inelastic Behavior of Engineering Materials; 20021020-20021025; Marrakech; MA >EFFECT OF SOME PARAMETERS ON THE ELASTOPLASTIC BEHAVIOR OF GREEN SAND
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EFFECT OF SOME PARAMETERS ON THE ELASTOPLASTIC BEHAVIOR OF GREEN SAND

机译：某些参数对绿砂弹塑性行为的影响

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摘要

The behavior of the casting sands at high temperatures (up to 600℃) is experimentally presented. Based on a parametric study, the predictions are well discussed and compared with the experimental results. Triaxial compression tests at different temperatures (20 to 600℃) were performed in foundry sand (Ami Saada et al., 1996, Ami Saada 1997, Ami Saada et al., 1999). They have shown that the material strength is governed by the presence of bentonite and water. For the green sand at the temperature range from 20 to 300℃, Three elastoplastic models are considered in this study. Especially, the effects of some parameters on the mechanical behavior of the casting sands are investigated, such as preconsolidation pressure P_(P0).
机译：实验表明了铸砂在高温（高达600℃）下的行为。在参数研究的基础上，对预测进行了很好的讨论，并与实验结果进行了比较。在铸造砂中在不同温度（20至600℃）下进行了三轴压缩试验（Ami Saada等，1996； Ami Saada 1997； Ami Saada等，1999）。他们表明，材料的强度取决于膨润土和水的存在。对于温度范围为20到300℃的生砂，本研究考虑了三种弹塑性模型。特别是研究了预固结压力P_（P0）等参数对铸砂力学性能的影响。

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