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Defect analysis of complex-shape aluminum alloy forging SHAN De-bin(单德彬), ZHANG Yan-qiu(张艳秋), WANG Yong(王 勇), XU Fu-chang(徐福昌), XU Wen-chen(徐文臣), L? Yan(吕 炎) School of Materials Science... are the main factors influencing the filling qualities of complex-shape aluminum alloy forging. The folding defect is mainly caused by different velocities of filling cavities, fast flow of much metal......
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Yield Improvement and Advanced Defect Control--Driving Forces for Modeling of Bulk Crystal Growth Jochen Friedrich1,Georg Mueller1 (1.Crystal Growth Laboratory, University Erlangen-Nürnberg (WW6) and Fraunhofer Institute of Integrated Systems and Device Technology (IISB) Martensstrasse 7, D-91058 Erlangen, Germany) Abstract:Yield improvement and advanced defect control can be identified......
J. Cent. South Univ. (2016) 23: 1123-1131 DOI: 10.1007/s11771-016-0362-y Detection of surface cutting defect on magnet using Fourier image reconstruction WANG Fu-liang(王福亮)1, 2, ZUO Bo(左博)1, 2 1..., and it is commonly used in mobile information terminals. Defects may appear on the surface of the magnet while cutting it into smaller slices, and hence, automatic detection of surface cutting defect detection......
Design and Analysis of Microstrip Multi-Channeled Filter Using Photonic Crystal Branchy Defect He Li1,Chen Hong1,Jiang Haitao1,Li Yunhui1,Zhang Yewen1,Li Hongqiang1 (1.Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092, China) Abstract:A multi-channeled filter based on branchy defect in a microstrip photonic crystal was proposed. By introducing a branchy structure across......
Study of Crystal Defect Behaviors in CeO2-Based Electrolyte MA Zhifang1,LIANG Jinsheng1,LIANG Guangchuan1 (1.Institute of Power Source & Ecomaterials Science, Hebei University of Technology, Tianjin 300130, China) Abstract:The defect behaviors, such as fundamental point defect, defect pair formation and oxygen vacancy migration in ceria, were studied on the basis of energy minimization......
J. Cent. South Univ. (2019) 26: 2943-2952 DOI: https://doi.org/10.1007/s11771-019-4226-0 Inverse Stone-Thrower-Wales defect and transport properties of 9AGNR double-gate graphene nanoribbon FETs... of Springer Nature 2019 Abstract: Defect-based engineering of carbon nanostructures is becoming an important and powerful method to modify the electron transport properties in graphene nanoribbon FETs......
An accurate theoretical study on intrinsic defect energetics in rutile TiO2 MA Xin-guo(马新国), JIANG Jian-jun(江建军), LIANG Pei(梁培), WANG Juan(王娟) Department of Electronic Science... plane-wave pseudopotential method. The structural parameters of defect-free bulk rutile TiO2 were calculated, which are close to experimental data. And the effects of point defects on the geometry......
J. Cent. South Univ. (2016) 23: 2867-2875 DOI: 10.1007/s11771-016-3350-3 Improved Sobel algorithm for defect detection of rail surfaces with enhanced efficiency and accuracy SHI Tian(石甜), KONG Jian... algorithm can achieve an accurate and efficient positioning with decreasing interference noises to the defect edge. It can also extract more precise features and characteristic parameters of the backfin......
Defect aggregates in the Sr2MgSi2O7 persistent luminescence materialJorma Hls1,2,Taneli Laamanen1,3,Mika Lastusaari1,2,Pavel Novák41. Department of Chemistry,University of Turku2. Turku University... of the Eu2+ doped and defect containing Sr2MgSi2O7 persistent luminescence material were studied using the density functional theory(DFT) .The defects may act as energy storage or even luminescence quenching......
