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合材料的热膨胀系数,但前者起主导作用;金刚石和碳化硅在不同配比下的热膨胀系数随着复合材料中碳化硅含量的增加逐渐增大,Terner模型与Kerner模型的计算平均值能较好地预测实验结果. 关键词:复合材料;金刚石;碳化硅;热膨胀 中图分类号:TB333 文献标志码:A Thermal expansion behavior of diamond... composites were produced by gas pressure infiltration, and the morphology of the fracture surfaces, interface reactions and coefficients of thermal expansion of the composites were investigated. The results......
Superplastic forming of Ti6Al4V alloy using ZrO2-TiO2 ceramic die with adjustable linear thermal expansion coefficient JIANG Shao-song(蒋少松), ZHANG Kai-feng(张凯峰) National Key Laboratory...; Abstract: Firstly, the relation between the coefficient of thermal expansion(CTE......
, Changchun 130117, P. R. China) 摘要:The thermal expansion coefficient of SiCw/Al composites squeeze cast during unloaded thermal cycling was determined and analyzed. The study had shown that the thermal expansion coefficient of SiCw/Al composites reduced greatly with temperature raising. The thermal expansion coefficient of artificial ageing treatment SiCw/Al composites during unloaded thermal cycling......
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Preparation and Characteristic of Glass-Ceramics with Super Low Thermal Expansion Coefficient Wang Kun1,Zhao Chunxia1,Jiang Hui1,Chen Guangle1,Wang Shengjun1,Fan Shigang1 (1.Research Institute of Synthetic Crystals, Beijing 100018, China) Abstract:The preparation technics of glass-ceramics with super low coefficient of thermal expansion containing β-quartz solid solution as a main crystal......
Numerical simulation of thermal behavior during laser metal deposition shaping LONG Ri-sheng(龙日升)1, 2, LIU Wei-jun(刘伟军)1, XING Fei(邢 飞)1, 2, WANG Hua-bing(王华兵)1, 2 1. Advanced Manufacturing.... The crack engendering and developing regularities of samples show good agreement with the simulation results. Key words: laser metal deposition shaping; thermal behavior; numerical simulation  ......
Effect of rare earths on viscosity and thermal expansion of soda-lime-silicate glass王觅堂1,2,程金树1,李梅21. Key Laboratory for Silicate Materials Science and Engineering of Ministry of Education,Wuhan... on the basis of the Arrhenius Equation,the coefficient of thermal expansion,glass transition temperature and dilatometric softening temperature were also determined with dilatometry,in order to reveal......
Effect of rare earths on viscosity and thermal expansion of soda-lime-silicate glass王觅堂1,2,程金树1,李梅21. Key Laboratory for Silicate Materials Science and Engineering of Ministry of Education,Wuhan... on the basis of the Arrhenius Equation,the coefficient of thermal expansion,glass transition temperature and dilatometric softening temperature were also determined with dilatometry,in order to reveal......
were reduced with an increase in volume fraction of Mo. In a Mo/Cu composite, the thermal expansion behavior is influenced by the thermal expansion of copper matrix and the tightened restriction of Mo... products and amorphous layers, the densifications of the Mo/Cu composites are higher than 99%. The mean linear coefficients of thermal expansion (20-100 ℃) of Mo/Cu composites range from 7.9 to 9.3×10-6......
fracture is aroused by silicon brittle fracture and extends to the composites inward through the metallurgical structure and fracture analysis. The thermal expansion behavior of the composites... is also explored, which is known to exert a significant influence on the thermal expansion behavior of Al/Si composite. In this work, CET of the Al/Si composites is measured between 20 ℃ and 180......