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首页> 外文期刊>Journal of Applied Polymer Science >Effect of quasi-carbonization processing parameters on the mechanical properties of quasi-carbon/phenolic composites
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Effect of quasi-carbonization processing parameters on the mechanical properties of quasi-carbon/phenolic composites

机译：准碳化工艺参数对准碳/酚醛复合材料力学性能的影响

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In this work, quasi-carbon fabrics were produced by quasi-carbonization processes conducted at and below 1200 degrees C. Stabilized polyacrylonitrile (PAN) fabrics and quasi-carbon fabrics were used as reinforcements of phenolic composites with a 50 wt %/50 wt % ratio of the fabric to the phenolic resin. The effect of the quasi-carbonization process on the flexural properties, interfacial strength, and dynamic mechanical properties of quasicarbon/phenolic composites was investigated in terms of the flexural strength and modulus, interlaminar shear strength, and storage modulus. The results were also compared with those of a stabilized PAN fabric/phenolic composite. The flexural, interlaminar, and dynamic mechanical results were quite consistent with one another. On the basis of all the results, the quasi-static and dynamic mechanical properties of quasi-carbon/phenolic composites increased with the applied external tension and heat-treatment temperature increasing and with the heating rate decreasing for the quasi-carbonization process. This study shows that control of the processing parameters strongly influences not only the mechanical properties of quasi-carbon/phenolic composites but also the interlaminar shear strength between the fibers and the matrix resin. (c) 2007 Wiley Periodicals, Inc.
机译：在这项工作中，准碳纤维织物是通过在1200摄氏度及以下进行的准碳化工艺生产的。稳定的聚丙烯腈（PAN）织物和准碳纤维织物被用作50 wt％/ 50 wt％的酚醛复合材料的增强材料织物与酚醛树脂的比例。通过抗弯强度和模量，层间剪切强度和储能模量，研究了准碳化过程对准碳/酚醛复合材料的弯曲性能，界面强度和动态力学性能的影响。还将结果与稳定的PAN织物/酚醛复合材料的结果进行了比较。弯曲，层间和动态力学结果彼此相当一致。在所有结果的基础上，准碳/酚醛复合材料的准静态和动态力学性能随着所施加的外部张力和热处理温度的提高以及准碳化过程的升温速率的降低而提高。这项研究表明，工艺参数的控制不仅强烈影响准碳/酚醛复合材料的机械性能，而且还影响纤维与基体树脂之间的层间剪切强度。 （c）2007年Wiley Periodicals，Inc.

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