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Mechanical Properties and Toughening Mechanisms of Multi-walled Carbon Nanotube Reinforced Yttria-stabilized Zirconia Composite

机译:多壁碳纳米管增强氧化钇稳定氧化锆复合材料的机械性能和增韧机理

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Yttria-stabilized zirconia (YSZ) reinforced with multi-walled carbon nanotubes (MWCNTs) is fabricated through spark plasma sintering (SPS). Raman spectroscopy corroborated that MWCNTs survived the harsh sintering process. The MWCNT/YSZ composite exhibits ~ 34% improvement in fracture toughness as compared to YSZ. Grain refinement, MWCNT pullout and crack bridging are the major toughening mechanisms.
机译:通过火花等离子体烧结(SPS)制造加固的氧化钇稳定的氧化锆(YSZ)通过火花等离子体烧结制造。拉曼光谱证实了MWCNT幸存下来的刺激烧结过程。与YSZ相比,MWCNT / YSZ复合材料表现出裂缝韧性的〜34%。晶粒细化,MWCNT拉伸和裂缝桥接是主要的增韧机制。

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