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Progress of Studies on Multi-Color Long Afterglow Luminescence Materials Li Qun1,Teng Xiaoming2 (1.General Research Institute for Nonferrous Metals,Beijing,100088;2.Grirem Advanced Materials... materials was reviewed.Two luminescent mechanism of long afterglow behavior were discussed.Further research and development prospects about the materials were proposed. Key words:long afterlow materials......
Preparation and Properties of a Group of Nanoporous Materials with Photo-semiconducting Host Structures Xiqu Wang1 (1.Department of Chemistry and Materials Research Science and Engineering Center,University of Houston, Houston, Texas 77204-5641, USA) 摘要: 1. IntroductionPreparation of nanostructured materials is a fundamental field for advances in nano-technology.Various chemical routes have......
; Abstract: A two-dimensional (2D...: single pile; consolidation effect; lateral response; soil pressure; 2D finite element method  ......
Biomimetic Design and Test of Composite MaterialsBenlian ZHOU International Centre for Materials Physics,Institute of Metal Research,Academia Sinica,Shenyang,110015,China摘 要:<正> A series of superior properties will make composites the most important structural materials in thenext century.But they are difficult to design owing to the complexity......
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of Science, Northeastern University, Shenyang 110004, China; 2. School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China) Abstract: LiCoO2 powder used as cathode material for lithium ion battery was synthesized by microwave heating with Co3O4 and LiOH·H2O as starting materials. The selection of output power and heating time of microwave can markedly affect the purity......
Electromagnetic Processing of MaterialsXin-Fang ZhangUniversity of Science and Technology Beijing摘 要:<正>Pulsed external field,including electric,magnetic,ultrasonic and laser,as an instantaneous high energy input method with high efficiency and low e......
加载循环数对2D针刺C/SiC复合材料疲劳剩余强度的影响方光武1,高希光1,陈晶1,张盛1,宋迎东2,王芳31. 南京航空航天大学能源与动力学院江苏省航空动力系统重点实验室2. 南京航空航天大学机械结构力学及控制国家重点实验室3. 南京林业大学化学工程学院摘 要:为研究陶瓷基复合材料的低周疲劳失效机理,通过试验和细观分析对其疲劳特性进行了探讨.研究了室温下加载循环数对2D针刺C/SiC复合材料拉-拉疲劳剩余强度的影响,并采用光学显微镜和扫描电子显微镜对该材料的断口形貌和微观结构进行了观察.结果表明:2D针刺C/SiC复合材料具有较好的抗疲劳特性,在85%极限拉伸强度(UTS)载荷下的循环数超过106;随着加载循环数的增加,剩余强度先增大然后下降.断口分析表明:纤维拔出长度随着加载循环数的增加而增加,说......
Particle erosion of infrared materialsQi He , Fanxiu Lv, Fenglei Zhang, Huibin Guo, and Junjun Wei School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing... on their IR transmittance were studied. The damaged surface morphology was characterized by scanning electron microscopy, and the erosion mechanism was explored. All of the materials show the maximum......
基于ANSYS的菱形绕丝式超高压容器2D建模及应力场分析模块开发吴俊飞,郝健,于本亮青岛科技大学机电工程学院摘 要:考虑到新型菱形绕丝式超高压容器的结构特点,提出参数化建模的思想.通过ANSYS的APDL语言编制出参数化建模的宏命令,开发了该型容器的2D参数化建模模块,成功地解决了对该型容器进行有限元分析时建模繁琐的问题.在输入结构参数后即可自动完成模型构建,接触单元添加,网格划分等整个建模过程,为后续分析节省了大量时间,大大提高了分析效率.关键词:菱形绕丝式超高压容器;ANSYS;APDL;2D建模;......