Microstructure and mechanical properties of eutectic B2O3–UO2 ceramic composites solidified at different cooling rates

2018 ◽  
Vol 499 ◽  
pp. 175-181 ◽  
Author(s):  
Aikebaier Yusufu ◽  
Masayoshi Uno
Keyword(s):  
Mechanical Properties ◽  
Ceramic Composites ◽  
Cooling Rates ◽  
Microstructure And Mechanical Properties

Microstructure and mechanical properties of ZrB2–MoSi2 ceramic composites produced by different sintering techniques

2006 ◽  
Vol 434 (1-2) ◽  
pp. 303-309 ◽  
Author(s):  
Diletta Sciti ◽  
Frédéric Monteverde ◽  
Stefano Guicciardi ◽  
Giuseppe Pezzotti ◽  
Alida Bellosi
Keyword(s):  
Mechanical Properties ◽  
Ceramic Composites ◽  
Microstructure And Mechanical Properties

Fabrication of MgO/Graphene Composites by Combustion Synthesis and Spark Plasma Sintering

2018 ◽  
Vol 281 ◽  
pp. 125-130
Author(s):  
Nan Lu ◽  
Jia Xi Liu ◽  
Gang He ◽  
Jiang Tao Li
Keyword(s):  
Mechanical Properties ◽  
Combustion Synthesis ◽  
Spark Plasma Sintering ◽  
Sintering Temperature ◽  
Ceramic Composites ◽  
Combustion Reaction ◽  
Sintering Additive ◽  
Microstructure And Mechanical Properties ◽  
Plasma Sintering ◽  
Spark Plasma

MgO/Graphene ceramic composites were fabricated by combining combustion synthesis with spark plasma sintering. MgO/Graphene mixture powders were prepared by the combustion reaction between Mg powders and CO2 gas. Dense MgO/Graphene composites were fabricated by spark plasma sintering (SPS) using LiF as the sintering additive. The effect of the sintering temperature on microstructure and mechanical properties of the prepared MgO/Graphene ceramics was discussed. The sintering temperature of the MgO/Graphene mixture powders increased from 900°C to 1300°C. The highest density of 3.43g/cm3 and hardness of 2133MPa were obtained at 1100°C. Compared with monolithic MgO ceramics, the hardness of MgO/Graphene ceramics at the same sintering temperature was increased from 840MPa to 2133MPa.

Microstructure and Mechanical Properties of Hot Pressed ZrC-SiC-ZrB2 Composites

2010 ◽  
Vol 434-435 ◽  
pp. 173-177 ◽  
Author(s):  
Bao Xia Ma ◽  
Wen Bo Han ◽  
Xing Hong Zhang
Keyword(s):  
Mechanical Properties ◽  
Fracture Toughness ◽  
Grain Size ◽  
Flexural Strength ◽  
Hot Pressing ◽  
Ceramic Composites ◽  
Strong Function ◽  
Slight Tendency ◽  
Microstructure And Mechanical Properties

Ternary ZrC-SiC-ZrB2 ceramic composites were prepared by hot pressing at 1900 °C for 60 min under a pressure of 30 MPa in argon. The influence of ZrB2 content on the microstructure and mechanical properties of ZrC-SiC-ZrB2 composites was investigated. Examination of SEM showed that the microstructure of the composites consisted of the equiaxed ZrB2, ZrC and SiC grains, and there was a slight tendency of reduction for grain size in ZrC with increasing ZrB2 content. The hardness increased considerably from 23.3 GPa for the ZS material to 26.4 GPa for the ZS20B material. Flexural strength was a strong function of ZrB2 content, increasing from 407 MPa without ZrB2 addition to 627 MPa when the ZrB2 content was 20vol.%. However, the addition of ZrB2 has little influence on the fracture toughness, ranging between 5.5 and 5.7 MPam1/2.

Microstructure and mechanical properties of SPS sintered Al2O3–ZrO2 (3Y)–SiC ceramic composites

2020 ◽  
Vol 781 ◽  
pp. 139197 ◽  
Author(s):  
Jianlong Chai ◽  
Yabin Zhu ◽  
Zhiguang Wang ◽  
Tielong Shen ◽  
Yiwen Liu ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Ceramic Composites ◽  
Microstructure And Mechanical Properties ◽  
Sic Ceramic
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