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Sub-micron-structure machining on silicon by femtosecond laser Hung-Yin TSAI 1, Shao-Wei LUO1, Chih-Wei WU 2, Shing-Hoa WANG 2 1. Department of Power Mechanical Engineering, National...-micron-structure machining on silicon substrate was studied by direct writing system of femtosecond laser with the central wavelength of 800 nm, pulse duration of 120 fs and repetition rate of 1 kHz......
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Electronic structure of Au-Cu alloys YU Fang-xin(余方新), XIE You-qing(谢佑卿), NIE Yao-zhuang(聂耀庄), LI Xiao-bo(李小波), PENG Hong-jian(彭红键), TAO Hui-jin(陶辉锦) (School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: By studying the correlativity between energy, volume and electronic structure of characteristic crystals and bound conditions of OA......
J. Cent. South Univ. (2017) 24: 875-890 DOI: 10.1007/s11771-017-3490-0 Dynamic behavior of new cutting subgrade structure of expensive soil under train loads coupling with service environment QIU... on the established track-subgrade-foundation of expansive soil system dynamic model test platform, dynamic behavior of new cutting subgrade structure under train loads coupling with extreme service environment (dry......
as base oil, along with some structure improver, antioxidant and anti-wear extreme pressure additive, lithium complex grease was developed. The dropping point of the grease is 331℃, friction factor... grease; structure improver; anti-wear agent CLC number: TG580.21 Document code: A 1 INTRODUCTION Along......
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perovskite structure and grains of 2-5 μm in size, with little pores or cracks. The ultimate tensile strength of sintered fibers is up to 13.84 MPa compared with 2.88 MPa of green fibers. The remnant... shows high directional and compact qualities. Key words: viscous polymer processing; PZT-5 fiber; perovskite structure 1 Introduction PZT fibers have been used in ultrasonic transducers[1......