共搜索到22345条信息，每页显示10条信息，共2235页。用时：0小时0分0秒824毫秒
IOF condition; PETF is web crippling ultimate capacity under ETF condition; PITF is web crippling ultimate capacity under ITF condition; fy is yield stress of aluminum alloy tube; h is web height of aluminum alloy tube; t is web thickness of aluminum alloy tube; a is bearing lengthl. 7 Conclusions An experimental investigation of galvanized steel square hollow sections under four loading......
Effects of Ca addition on tensile properties and microstructures of hot-extruded AZ91 alloy tube WANG Feng(王 峰)1, LIU Zheng(刘 正)1, YU Bao-yi(于宝义)1, ZHANG Kui(张 奎)2 1. School of Materials Science... to the presence of a Ca-containing phase, which can increase the microstructural stability of the alloy at elevated temperature. Key words: magnesium alloy; AZ91 alloy; tube extrusion; microstructural......
Formability evaluation of AZ31B extruded tube for hydroforming processHE Zhubin,LIU Gang,YUAN Shijian,and LIANG Yingchun School of Materials Science & Engineering,Harbin Institute of Technology,Harbin 150001,China摘 要:Hydroforming of magnesium and aluminum alloy tube at elevated temperature is becoming a very promising method to manufacture light......
J. Cent. South Univ. Technol. (2009) 16: 0887-0891 DOI: 10.1007/s11771-009-0147-7 Deformation and defects in hydroforming of 5A06 aluminum alloy dome with controllable radial pressure XU Yong... of low plastic materials and large height-to-diameter ratio workpieces. A typical 5A06 aluminum alloy dome was numerically and experimentally investigated. The reasons for typical defects were analyzed......
series aluminum alloys [J]. Solid State Phenomena, 2006, 116/117:758-761. [5] JANG D I, YOON Y O, KIM S K. Thixoextrusion for 7075 Al wrought alloy tube[J]. Solid State Phenomena, 2008... Trans. Nonferrous Met. Soc. China 20(2010) s758-s762 Effect of semi-solid processing on microstructure and mechanical properties of 5052 aluminum alloy Lü Shu-lin(吕书林), WU Shu-sen (吴树森......
Preparation of semi-solid slurry containing fine and globular particles for wrought aluminum alloy 2024 GUO Hong-min(郭洪民)1, YANG Xiang-jie(杨湘杰)2 1. School of Materials Science and Engineering... of wrought aluminum alloy 2024 was prepared by a well developed rheocasting process, low superheat pouring with shearing field(LSPSF). The appreciate combination of pouring temperature and rotation......
The springback rules of 1Cr18Ni9Ti stainless steel tube and LF2M aluminum alloy tube NC bending with thickness 1mm, diameter 38mm and bending radius 57mm are studied with the finite element model established... of bending angle vs springback angle of aluminum alloy tube bending. The change trend of springback angle within bending angle of aluminum alloy tube bending is similar to that of stainless steel tube......
was investigated on defects, thickness distribution and microstructure of the hydro-bent tube. In this work, a shear hydro-bending process is proposed to form aluminum alloy rectangular tube with small... to manufacture the aluminum alloy rectangular tube with small bending radius by controlling the internal pressure in combination with the axial feeding and transversal stroke. 2) The defect......
J. Cent. South Univ. (2019) 26: 2307-2317 DOI: https://doi.org/10.1007/s11771-019-4175-7 Forward hot extrusion forming process of 4-lobe aluminum alloy helical surface rotor XIA Feng(夏峰)1, LI Hui(李... aluminum alloy helical surface rotors are widely applied in industry, such as superchargers. Generally, the conventional manufacturing processes of aluminum alloy helical surface are time consuming......
J. Cent. South Univ. (2019) 26: 524-535 DOI: https://doi.org/10.1007/s11771-019-4024-8 Springback analysis of 6016 aluminum alloy sheet in hot V-shape stamping MA Wei-ping(马卫平), WANG Bao-yu(王宝雨...-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: Springback behavior of 6016 aluminum alloy in hot stamping was investigated by a series of experiments under different conditions using V-shape......
