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STUDY ON THE FINITE ELEMENT NUMERICAL SIMULATION OF SHEET METAL FORMING J.L.Song1,D.J.Hu1,Z.B.Jiang2,Z.L.Chang2,T.Y.Li2 (1.School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai... plastic simulation on sheet metal forming were technologically studied and simplified; a simplified model of the blank holder during the drawing process was established and the effects of related......
without welds while train travelling at high speed. In order to form this type of integrated stainless steel pipe, the method of preforming combined finish forming process is developed...J. Cent. South Univ. (2016) 23: 269-276 DOI: 10.1007/s11771-016-3070-8 Numerical study on forming complex fitting body on end of integrated stainless steel pipe without welds Zhang Da-wei(张大伟)1, 2......
;基面织构;冲压;胀形性能 中图分类号:TG111.7;TG146.2 文献标志码:A Effects of rolling technology on forming properties of AZ31 magnesium alloy... rolling (NR), differential speed rolling (DSR) and cross rolling (CR), and the forming properties at room temperature were investigated. The results show that the mechanical properties of AZ31 magnesium......
Stress characteristics of surrounding rocks for inner water exosmosis in high-pressure hydraulic tunnelsYU Jin(俞缙)1, 2, 3, LI Tian-bin(李天斌)2, ZHANG Jian-zhi(张建智)1, CAI Yan-yan(蔡燕燕)1, 3(1... factors affecting the stability of surrounding rock in high-pressure hydraulic tunnels. In this work, the effects of the seepage field were firstly simplified as a seepage factor acting on the stress......
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wall angle or to achieve a high forming performance, it is largely dependent on empirical designs. In order to research multi-stage forming further, the effect of forming stages (n) and angle interval...Thickness distribution of multi-stage incremental forming with different forming stages and angle intervalsLI Jun-chao(李军超), YANG Fen-fen(杨芬芬), ZHOU Zhi-qiang(周志强) (College of Materials Science......
250061, China) Abstract: HT250 surface coating was removed by high-pressure waterjet. The decoating rates under different traverse speeds, cleaning pressures and target distances were studied... words: remanufacturing; high-pressure waterjet; coating cleaning; response surface methodology 钢铁结构通常需要进行防腐蚀处理,表面处理(如涂层)是一种重要的手段[1-2].当产品无法继续服役时,需要进行再制造以恢复其性能并达到可持续发展的目的,而再制造首先面临的重要一环是再制造清洗,清洗质量直接影响了再制......
, which consisted of a 5 kW continuous wave CO2 laser, a special laser rapid forming machine and a high precision powder feeding system. LRF process was performed under the condition of inert ambience...[C]. New York: Springer Verlag, 2000: 1464-1473 [3] BLACKWELL P L, WISBEY A. Laser-aided manufacturing technologies; their application to the near-net shape forming of a high-strength titanium alloy[J......
Trans. Nonferrous Met. Soc. China 29(2019) 1689-1695 High-pressure torsion deformation process of bronze/niobium composite S. O. ROGACHEV1, S. A. NIKULIN1, V. M. KHATKEVICH1, R. V. SUNDEEV2, D... 11 November 2018; accepted 19 April 2019 Abstract: The deformation process in the material volume under high-pressure torsion (HPT) was studied. As a model object for the observation of deformation......
-qun, WU Biao-li, CHEN Xiao-li, WANG Hua-bin. Preparation of Fe84Nb7B9 nanocrystalline soft magnetic bulk alloy under high-pressure[J]. The Chinese Journal of Nonferrous Metals, 2004, 14(2): 173-178... exhibits high thermal stability and excellent glass forming ability, in which onset crystallization temperature (Tx1) is 864 K, and supercooled liquid region (ΔTx), Trg, γ are 48 K, 0.524, and 0.359......