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道挤压；有限元模拟；变形均匀性分析；AZ31镁合金 中图分类号:TG379 文献标志码:A Finite element analysis of homogeneous deformation of AZ31 magnesium during equal channel angular pressing process REN... and Engineering, Shandong Jianzhu University, Jinan 250101, China) Abstract: The effective strain size and distribution of AZ31 magnesium deformed by equal channel angular pressing (ECAP) for different die......
fluctuation effect of pure copper during equal channel angular pressing GUO Ting-biao, DING Yu-tian, YUAN Xun-feng, HU Yong (Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology, Lanzhou 730050, China) Abstract: The polycrystalline samples of pure Cu (99.9%, mass fraction) were processed at room temperature by equal-channel angular pressing (ECAP......
October 2016 Abstract: Equal channel angular pressing (ECAP) is one of the most effective processes to produce ultra-fine grain (UFG) and nanocrystalline (NC) materials. Because the commercially pure... pure titanium so that it can be used as a replacement for metallic alloys used as biomaterials. Key words: commercially pure titanium; equal channel angular pressing; tensile strength; bending strength......
, China) Abstract: The mechanical properties of single crystal copper and polycrystalline copper were investigated by equal channel angular pressing (ECAP) through two die channels with small angles (Die... crystal copper; polycrystalline copper; equal channel angular pressing; super plastic deformation; mechanical property ......
of Tabriz, Tabriz 5166616471, Iran Received 9 January 2016; accepted 10 September 2016 Abstract: The combined effects of equal channel angular pressing (ECAP) and subsequent heating to a semi-solid... S, MEIDANI H, NILI AHMADABADI M. Effect of equal channel angular pressing on the microstructure of a semisolid aluminum alloy [J]. Materials Science and Engineering A, 2008, 475: 224-228. [17] JIANG......
工艺(Equal channel angular pressing,ECAP)作为大塑性变形的一种,通过在等通道拐角处提供一种纯剪切变形获得超细晶材料.研究表明等径角挤压工艺可以明显地细化晶粒,提高材料的力学性能,同时ECAP使得基体中粗大的第二相破碎,第二相尺寸的减小削弱了第二相与α(Al)基体所构成的微观腐蚀电偶的腐蚀倾向,从而提高材料的抗腐蚀性能[4-6].但大塑性变形易于形成大角度晶界等缺... grained AA6082 produced by equal-channel angular pressing[J]. Journal of Materials Science, 2008, 43(23/24): 7409-7417. [8] PANG J J, LIU F C, LIU J, TAN M J, BLACKWOOD D J. Friction stir processing......
industrial pure Al. Key words: equal channel angular pressing; ultra-fine grain; corrosion behavior; industrial pure Al ...] MURAYAMA M, HORITA Z, HONO K. Microstructure of two-phase Al-1.7at% Cu alloy deformed by equal-channel angular pressing [J]. Acta Mater, 2001, 49: 21-29. [5] FERRASSE S, SEGAL V M, KALIDINDI S R......
route equal channel angular pressing (ECAP). Equal channel angular pressing was performed on an ultra-high strength 7090/SiCp aluminum alloy matrix composite. By optical microscopy, mechanical tensile..., 李玉龙. 等径通道挤压中晶粒细化影响因素的研究进展[J]. 材料科学与工程学报, 2004, 22(1): 132?137.SUO Tao, LI Yu-long. Progress in influence factor of grain refinement during equal channel angular pressing[J]. Journal of Materials......
to equal channel angular pressing of 4 passes with and without postrolling, and the effects of post-rolling on the deformation characteristics of the alloy at 723 K were examined. Post-rolling was found to influence the deformation behavior significantly. The deformation behavior of the alloy processed only by equal channel angular pressing was characterized by (a) localized deformation indicated......
of AZ31 magnesium alloy during equal channel angular pressing REN Guo-cheng1, 2, ZHAO Guo-qun1 1. Engineering Research Center for Mould and Die Technology, Shandong University, Jinan 250061, China; 2... of the magnesium work-piece during equal channel angular pressing (ECAP) was analysed. The effect of deformation temperature on deformation behavior of magnesium alloy was acquired by XRD analysis......
