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- W2750160219 abstract "以碳纤维体积分数为30%的2.5维针刺碳毡为预制体，通过等温化学气相渗透法（Isothermal Chemical Vapor Infiltration，ICVI），制备4种C/C-SiC复合材料，基体中SiC含量由56%降至15%，其密度相近（1.87~1.91 g/cm3）。利用扫描电子显微镜和X射线衍射仪对上述材料的显微结构和物相组成进行观察和分析，并在MM-1000型摩擦磨损试验机上研究复合材料的摩擦磨损性能。结果表明：随着基体SiC含量的降低，C/C-SiC复合材料的平均宏观硬度由98.2HRA降至65.1HRA，硬度分布的均匀性也明显下降；制动过程的平均摩擦系数和质量磨损率均显著增加；通过对摩擦表面形貌和磨屑微观形貌的分析，表明制动过程中的磨损机制受材料表面宏观硬度的影响显著；随着复合材料表面硬度的降低，磨损机制由磨粒磨损为主向磨粒磨损和黏结磨损联合转变，从而使摩擦系数和磨损量显著提高。" @default.
- W2750160219 created "2017-08-31" @default.
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- W2750160219 date "2017-08-01" @default.
- W2750160219 modified "2023-10-16" @default.
- W2750160219 title "Tribological Property of C/C-SiC Composites Fabricated by Isothermal Chemical Vapor Infiltration" @default.
- W2750160219 doi "https://doi.org/10.11868/j.issn.1005-5053.2016.000199" @default.
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