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, 2001, 49(9): 1497-1505. [7]郝南海, 王全聪. 等径侧向挤压变形均匀程度的有限元分析[J]. 中国有色金属学报, 2001, 11(S2): 230-233. HAO Nan-hai, WANG Quan-cong. Finite element analysis of deformation uniformity of equal cross section lateral extrusion[J]. The Chinese Journal of Nonferrous Metals, 2001, 11(S2): 230-233. [8]覃继宁, 张荻, 张国定, 等. 6061铝合金ECAP变形后退火组织稳定性和织构变化[J].中国有色金属学报, 2005, 15(4): 519-523. QIN Ji-ning, ZHANG Di, ZHANG Guo......
that the severe shearing deformation, such as equal channel angular extrusion(ECAE) [20], high pressure torsion(HPT) [21], can lead to grain refinement in metal alloys. The results obtained... Trans. Nonferrous Met. Soc. China 22(2012) 1028-1034 Microstructural evolution of AZ91 magnesium alloy during extrusion and heat treatment LI Jing-yuan1, XIE Jian-xin1, JIN Jun-bing2, WANG......
Prediction of spatial distribution of the composition of inclusions on the entire cross section of a linepipe steel continuous casting slabQiang Ren1,Yuexin Zhang1,Ying Ren1,Lifeng Zhang2,Jujin... and the composition distribution of inclusions on the cross section of a linepine continuous casting slab was predicted. During cooling and solidification of the continuous casting strand, Al2O3-Ca O......
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extrusion on the AZ31 sheet and fine grains were obtained. ZHANG et al[13] investigated the effect of cross rolling on the microstructure of the as-extruded sheet and proper rolling parameters could... Science and Engineering A, doi: 10.1016/j.msea. 2008.06.015. [13] ZHANG Q L, HU Y X, WANG L L, SUN Y W, ZHOU Y L. Microstructure of magnesium alloy thin plate cross-rolled after extrusion [J]. Hot......
equal cross section with dimensions of 10 mm×10 mm. The length of twist channel was 30 mm and the cross- sectional rotation angle was 90°. The pure Al powder with initial relative density of 0.75... particles at 200 °C by equal channel angular pressing-forward extrusion (ECAP–FE). But repetitive deformations are not permitted using ECAP–FE, and higher load is required. Equal channel angular......
Trans. Nonferrous Met. Soc. China 25(2015) 1763-1769 Microstructure and properties of Al-0.70Fe-0.24Cu alloy conductor prepared by horizontal continuous casting and subsequent continuous extrusion... alloy conductor was proposed, which includes horizontal continuous casting and subsequent continuous extrusion forming (Conform). The mechanical properties, electrical conductivity and the compressed......
:A 文章编号:1672-7207(2014)07-2333-06 Influencing factors of lateral extrusion on soft soil in composite foundation with flexible columns LIU Jie, HE Jie, TAN Jin (School of Civil Engineering, Hunan University of Technology, Zhuzhou 412007, China) Abstract: To quantitatively study the influencing factors of lateral extrusion on soft soil in composite......
; 1 Introduction For special-shaped products, similar extrusion is defined as the extruding deformation process which can make geometrical profile of metal arbitrary cross-section... interpolation approach, the mapping analysis function transforming irregular non-axis-symmetry cross-section into unit dish region is built up. Thus, the plastic flow of similar extrusion......
AN ADAPTIVE EFG-FE COUPLING METHOD FOR THE NUMERICAL SIMULATION OF EXTRUSION PROCESSES X.H.Dong1,L.C.Liu1,C.X.Li1 (1.National Die & Mold CAD Engineering Research Center,Shanghai Jiaotong University,Shanghai 200030,China) Abstract:An adaptive EFG-FE coupling method is proposed and developed for the numerical simulation of lateral extrusion and forward-backward extrusion. Initially......
