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Keywords SiC whisker VLS process rate-determining step composite catalyst; VLS机理;速率控制步骤;复合催化剂;
Keywords SiC whisker;TiB_2;ceramic composite;friction and wear;high temperature; 碳化硅晶须;硼化钛;陶瓷材料;摩擦磨损;高温;
SiC whisker was synthesized using industry silicasol and carbon black by the sol-gel method and the carbothermal reduction reaction. 以无机硅溶胶和炭黑为原料,采用溶胶-凝胶方法和碳热还原反应进行了合成碳化硅晶须的试验。
Results showed that the flexural strength,hardness and fracture toughness were increased for Al2O3 ceramic with the additions of TiB2.Further improvement in frac-ture toughness can be obtained for Al2O3/TiB2 ceramic with the additions of SiC whisker. 而TiB2颗粒和SiC晶项协同对Al2O3进行增韧补强可使其断裂韧性显著提高。 Al2O3/TiB2陶瓷材料的主要增韧机理有；
SiC whisker was fabricated in mini - heat source furnace by VLS method. Its crystallography and morphology were studied by SEM, XRD and EDS. Different morphologies were observed in the whisker. 采用固-液-气(VLS)法,在无限微热源炉中成功地合成了碳化硅晶须(SiCw),运用SEM,XRD,EDS等分析检测技术对SiCw的形态和显微结构进行研究。
With the same principle of liquid-liquid separation, neutral oil floatation can increase the grade of SiC whisker to above 50% after floatation in optimal condition of Kerosene, 3ml/g; Abies oil, 1.5ml/g. 与液-液萃取原理相似，用技术成熟、处理量大的中性油浮选法分选，在捕收剂煤油用量为3ml/g、起泡剂松醇油用量为1.;5ml/g时，浮选后所得的SiC晶须品位为50%25以上。
Due to the stronger carbon-rich of SiC particle and smaller granularity of SiC whisker, activated carbon absorption-sift method is the special separation way which activated carbon have double efficacy as adsorption and sift. 针对SiC颗粒富碳性强和SiC晶须粒度小的特点，采用活性碳吸附过滤分选的特殊分选技术，活性碳起到吸附和过滤双重功效。
Keywords SiC;Oxygen content;IEP;Dispersity; 碳化硅;氧含量;等电点;分散性;
Keywords TiB_2;SiC whisker;ceramic composite;toughening mechanism;microscopic analysis; 硼化钛;碳化硅晶须;陶瓷材料;增韧机理;微观分析;
The morphology and microstructure of SiC whiskers have been analyzed by such modern instruments as SEM. 利用SEM分析手段对自制的碳化硅晶须进行了形貌、结构的观察分析。
Keywords TiB_2 SiC whisker ceramic composite fracture toughness at elevated temperature; 硼化钛;碳化硅晶须;陶瓷材料;高温断裂韧性;
Keywords TiB_2;SiC whisker;Ceramic composite;Mechanical properties;Microstructucture; 硼化钛;碳化硅晶须;陶瓷材料;力学性能;微观结构;
Progress in Ceramic Matrix Composite by SiC Whisker Toughening SiC晶须增韧陶瓷基复合材料的研究进展
On SiC Whisker Reinforcing and Toughening AIN Material SiC晶须增韧补强AIN材料的研究
The Study on the Dispersion Technique of SiC Whisker and AIN SiC晶须－氮化铝分散工艺的研究
Keywords SiC;foam ceramics filter plates;procreative actuality; 泡沫陶瓷过滤板;生产现状;
Keywords SiC;vitrified abrasive tool;oxidation behaviour; 碳化硅;陶瓷磨具;氧化性能;
Keywords SiC;Sialon;pressusre molding;nitridation;sintering; 干压成型;氮化;烧结;
Keywords Carbon/carbon composites;oxidation protective coating;slurry;SiC whisker;silicide;glass coating;oxidation behavior;oxidation mechanism; 炭/炭复合材料;防氧化涂层;包埋法;料浆法;碳化硅晶须;硅化物;玻璃涂层;氧化行为;失效机理;
The flexural strength and toughness for the-hotpressed composi-tes,containing 15 vol% SiC whiskers and 25% vol% ZrO_2,can be increased by20% and 30% respectively in comparison with zirconia-toughened mullite ceramicswithout whiskers or fibres. 热压烧结的莫来石/25vol%25 ZrO_2/15vol%25Al_2O_3(f)与增韧莫来石(ZTM)相比,室温强度、韧性分别提高近20%25、30%25。