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Microstructure and damping behavior of SiCp/Gr/2024Al metal matrix composites by squeeze casting technology LENG Jin-feng(冷金凤), WU Gao-hui(武高辉) Center for Metal Matrix Composites Engineering Technology, Harbin Institute of Technology, Harbin 150001, China Received 28 July 2006; accepted 15 September 2006 Abstract: SiCp/Gr/2024Al metal matrix composites were processed by squeeze casting......
Optimizing loading path and die linetype of large length-to-diameter ratio metal stator screw lining hydroformingZHU Xiao-hua(祝效华), SHI Chang-shuai(石昌帅), TONG Hua(童华) (Mechatronic Engineering College...-to-diameter ratio metal stator screw lining meshing with rotor is presented. Based on the elastic-plasticity theory, and under the consideration of the effect of tube size, material mechanical parameters......
J. Cent. South Univ. Technol. (2007)03-0319-05 DOI: 10.1007/s11771-007-0063-7 Variation regularity of metal...; Abstract: Influences of inspecting time-interval and location on varying behavior of metal magnetic memory (MMM) signals of defects were studied. Different areas in two precracked weldments......
J. Cent. South Univ. (2020) 27: 1320-1333 DOI: https://doi.org/10.1007/s11771-020-4369-z Fractal evolution mechanism of rock fracture in undersea metal mining LIU Zhi-xiang(刘志祥)1, HAN Ke-wen(韩科文)1... the fourth stage of fracture instability. Therefore, the conclusion can be obtained that the undersea mining in Sanshandao Gold Mine is safe at present. Key words: undersea mining of metal deposit; evolution......
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ULTRASONIC SEPARATION OF MICRO-SIZED INCLUSIONSIN MOLTEN METAL X.Q.Bai1,J.C.He1 (1.Key Laboratory of National Education Ministry for Electromagnetic Processing of Materials, NortheasternUniversity, Shenyang 110004, China) Abstract:The coagulation time and position of micro-sized non-metallic inclusions in molten metal during ultrasonic separation process were investigated, and the motion......
J. Cent. South Univ. (2018) 25: 1501-1512 DOI: https://doi.org/10.1007/s11771-018-3843-3 Edge and texture detection of metal image under high temperature and dynamic solidification condition CHEN.... To accurately detect the edge and texture of metal image under this condition, a sub-pixel detection based on gradient entropy and adaptive four-order cubic convolution interpolation (GEAF-CCI......
Mechanism of effect of rare earth oxides on high temperature corrosion resistance of weld metal LI Zhi-yong(李志勇)1, WANG Bao(王 宝)1 , ZHANG Han-qian(张汉谦)2 1. College of Materials Science... Abstract: Through the addition of rare earth oxides into the coating of electrodes, the high temperature oxidation and sulphidation resistance of weld metal were studied. The transfer mechanism......
Spectroscopic Properties and Judd-Ofelt Theory Analysis of Er3+-Doped Heavy Metal Oxyfluoride Silicate Glass 胡丽丽1,徐时清1,杨中民1,姜中宏1,张军杰1,戴世勋1 (1.Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China) Abstract:Er3+-doped heavy metal oxyfluoride silicate glass was fabricated and characterized, and the absorption spectrum and fluorescence spectrum......
