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首页> 外文会议>Mechanical properties and performance of engineering ceramics and composites VII >WEAR BEHAVIOR OF CERAMIC/METAL COMPOSITES
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WEAR BEHAVIOR OF CERAMIC/METAL COMPOSITES

机译：陶瓷/金属复合材料的磨损行为

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摘要

Ceramic particle reinforced aluminum metal matrix composites (MMCs) have been well studied due to their utility in various structural and thermal applications. In addition, MMCs have value in various wear applications due to the presence of the hard ceramic phase within the ductile metallic matrix. Potential uses include slurry and dry erosion components in the mining, coal power and paper processing industries where ceramic wear components are not viable due to low fracture toughness (e.g., potential breakage if component is struck with large piece of debris such as a rock). The present work quantifies the wear properties of ceramic particle reinforced aluminum as a function of ceramic content and type. Results are compared to those for traditional unreinforced ferrous and aluminum-based metals; and with a traditional AI2O3 wear resistant ceramic. Also, correlation of results with microstructure and properties of the composites is made. Finally, the wear scars are examined by SEM to assess failure mode.
机译：陶瓷颗粒增强铝金属基复合材料（MMC）由于在各种结构和热应用中的实用性而受到了很好的研究。另外，由于韧性金属基体内存在硬质陶瓷相，MMC在各种磨损应用中具有价值。潜在的用途包括采矿，煤炭发电和造纸工业中的泥浆和干侵蚀成分，这些成分由于断裂韧性低而无法使用陶瓷磨损成分（例如，如果该成分被大块碎片（例如岩石）撞击，则可能会破裂）。本工作量化了陶瓷颗粒增强铝的磨损性能，作为陶瓷含量和类型的函数。将结果与传统的非增强型黑色金属和铝基金属进行比较；并采用传统的AI2O3耐磨陶瓷。同样，将结果与复合材料的微观结构和性能进行关联。最后，通过SEM检查磨损痕迹以评估失效模式。

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