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Influence of phosphorus on oxidation behavior oflow thermal expansion superalloy IN909 at 650 ℃ SUN Ya-ru(孙雅茹)1, 2, SUN Wen-ru(孙文儒)2, HOU Gui-chen(侯桂臣)2, GUO Shou-ren(郭守仁)2, LIU Zheng (刘 正)1, HU... resistance of low thermal expansion alloy IN909 was studied. The composition and structure of the oxidation layer were analyzed. It is found that the oxidation initiates at the grain boundaries. During......
Thermal expansion and mechanical properties of high reinforcement content SiCp/Cu composites fabricated by squeeze casting technology CHEN Guo-qin(陈国钦)1, XIU Zi-yang(修子扬)1, MENG Song... of thermal expansion (CTEs, 20-100 ℃) of as-cast SiCp/Cu composites range from 8.8×10-6 ℃-1 to 9.9×10-6 ℃-1 and decrease with the increase of SiC content. The experimental CTEs of as-cast SiCp/Cu composites......
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......
降低堇青石材料热膨胀系数的途径 朱凯1,张锐1,陈德良1,杨道媛1,毋娟1 (1.郑州大学材料科学与工程学院,郑州,450001) 摘要:堇青石材料热膨胀系数低,是优良的高温抗热震材料,但我国目前生产的堇青石材料热膨胀系数还有待进一步提高.综述了降低堇青石材料热膨胀系数的各种途径,包括调整材料的化学矿物组成,优化制备工艺和后期处理等,指出今后发展的方向是利用负膨胀材料开发低膨胀乃至零膨胀的堇青石材料,以期促进优质堇青石材料的研究与开发. 关键词:堇青石; 热膨胀系数; 制备工艺; 后期处理; 负膨胀材料; cordierite; thermal expansion coefficient; preparation process; post processing; negative expansion materials; [全文内容正在添加中] ......
Interface and thermal expansion of carbon fiber reinforced aluminum matrix composites ZHANG Yun-he(张云鹤)1, WU Gao-hui(武高辉)2 1. School of Mechanical and Electrical Engineering, Northeast Forestry... that in M40/6061Al composite. Coefficients of thermal expansion (CTE) of M40/Al composites varied approximately from (1.45-2.68)×10-6 K-1 to (0.35-1.44)×10-6 K-1 between 20 °C and 450 °C......
, 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......
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......
: Negative thermal expansion material ZrW2O8 powders were synthesized using ZrO2 and WO3 as raw materials. ZrW2O8 powder feature was characterized by X-ray diffraction (XRD) analysis. Cu-ZrW2O8 composite... (lauryl sodium sulfate) in electrolyte solution. Key words: Cu-ZrW2O8 composite coating; negative thermal expansion; electroplating; powder ......
EFFECTS OF HEAT TREATMENT ON THE THERMAL EXPANSION BEHAVIOR OF SiC WHISKER REINFORCED ALUMINUM COMPOSITE W.D.Fei1,W.L.Li1,C.K.Yao1,M.Hu1 (1.School of Materials Science and Technology, Harbin Institute of Technology, Harbin 150001, China) Abstract:The thermal expansion behaviors of SiC whisker reinforced commercially pure aluminum composites subjected to different heat treatments were studied......
A, BOERNER B, et al. The origin of high thermal conductivity and ultralow thermal expansion in copper-graphite composites[J]. Nano Letters, 2015, 15(7): 4745-4751. [9] 黄凯, 白华, 朱英彬, 等. 石墨表面化学镀Cu对天然鳞片石墨/Al复合材料...墨的声子传热效率.但总的来说,控制加入的Zr含量,对复合材料导热能力的提升仍具有积极意义. 图6 不同Zr质量分数下FG/Cu复合材料的热导率 Fig. 6 Thermal conductivity of Cu/FG composites with different Zr mass fractions 图7所示为不同Zr质量分数FG/Cu复合材料在XY平面(垂直于热压方向)和Z方向(平行于热压......
