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Progress in the Technology of Reinforcing and Toughening in Porous Ceramic

HU Hong-tao1,XU Guo-hua1,ZHUANG Yuan2,ZAN Qing-feng2,YE Xiao-jian1.(1.Shanghai Changzheng Hospital,Shanghai 200003,China;2.Beijing Key Lab of Fine Ceramics,Institute of Nuclear and New Energy Technology,Tsinghua University,Beijing 100084,China)  
High porosity biological ceramic scaffold is a research hotspot in bone tissue engineering,however the clinical application is hampered by the fragility and low intensity of porous composite.Several methods of reinforcing and toughening porous composite such as fiber toughening,particle toughening,combination toughening and self-toughening are proposed with the development of ceramics.The related toughening effects and mechanisms of each method are discussed here,and the research status and direction are pointed out.
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