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Elasto-plastic finite element analysis of squaring circular tube HUANG Yuung-ming(黄永明) Department of Mechanical and Computer-Aided Engineering, St. John’s University, Taipei 25135, China... deformation theory was established, and Lagrangian formulation for simulating the squaring process of circular tube was updated. Incremental Coulomb’s friction law was used in the global stiffness matrix......
Surface topography evolvement of galvanized steels in sheet metal forming HOU Ying-ke(侯英岢)1, YU Zhong-qi(于忠奇)1, ZHANG Wei-gang(张卫刚)1, JIANG Hao-min(蒋浩民)2, LIN Zhong-qin(林忠钦)1 1... tests were performed to investigate the surface topography evolvement of hot-dip galvanized(GI) and galvannealed(GA) steels and the effects of die hardness on sheet metal forming(SMF). Experimental......
due to the press setup difficulty, it could lead to a simplification of the bead geometry in die construction as the metal feeding would be controlled throughout the die by blank holder force instead... variable blank holder force towards improving the forming limits of aluminum sheet metal forming [J]. Journal of Materials Processing Technology, 2007, 183(2): 339-346. [15] XU S, LANKER T, ZHANG J......
)02-0272-07 Investigation on hydroforming technology and process of fiber reinforced metal laminate parts LIU Shichen1, LANG Lihui1, GUAN Shiwei1, SHENG Sijia1, ZENG Yipan2 (1. School of Mechanical... of aircraft was studied, and the finite element model of glass fiber reinforced aluminum laminate hydroforming process was established by using Abaqus/Explicit software. The effect of blank holder......
;carbons by loading metal YI Hong-hong(易红宏), YU Li-li(于丽丽), TANG Xiao-long (唐晓龙), NING Ping(宁平), LI Hua(李华), WANG Hong-yan(王红妍), YANG Li-na(杨丽娜) Faculty of Environmental ... of metal oxide/activated carbon catalyst was prepared by sol-gel method for the hydrolysis of carbonyl sulfide (COS). The influences of the calcination temperature, additive content (2.5%-10.0% Fe2O3, mass......
vary from 1 to 20 μm with a circular cross-section and the thinnest metal fiber is about 1 μm in diameter (Figs.5(b), (d), (f)) and an aspect ratio up to 1×106 and consists of nanosized grains at about... of ferromagnetic metal fine fibers by organic gel-thermal reduction process CAO Kai(曹 凯), SHEN Xiang-qian(沈湘黔), JING Mao-xiang(景茂祥), ZHOU Jian-xin(周建新) (School of Materials Science and Engineering......
Heat transfer characteristics of nanofluid through circular tubeWUSIMAN Ku-er-ban-jiang1, CHUNG Han-shik2, MD. J. Nine1, HANDRY Afrianto1, EOM Yoon-sub1, KIM Jun-hyo3, JEONG Hyo-min2(1. Department..., it has the trend that the heat transfer coefficient displays worse with increasing the concentration.Key words:nanofluid; heat transfer characteristic; circular tube; metallic particles......
, ZHOU J J. Technology and study on circular arc flexible forming of sheet metal using plasma arc [J]. Materials Science Forum, 2006, 532/533: 508-618. [11] WU W B, XU W J, WANG Z Y, ZHOU J J... Numerical simulation of temperature field in plasma-arc flexible forming of laminated-composite metal sheets SONG Wen-qing(宋文庆)1, XU Wen-ji(徐文骥)1, WANG Xu-yue(王续跃)1, MENG Jian-bing(孟......
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EFFECT OF SUBMERGED ENTRY NOZZLE (SEN) PARAMETERS AND SHAPE ON 3-D FLUID FLOW IN MOULD FOR BEAM BLANK CONTINUOUS CASTING R.Shi1,Y.P.Du2,J.W.Yang2,X.C.Cui2 (1.School of Mechanism, Yanshan University, Qinghuangdao 066004, China;2.School of Material Science, Taiyuan University of Science & Technology, Taiyuan 030024, China) Abstract:According to turbulent theory and characteristics of beam blank......