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路线 中图分类号:TG 376 文献标识码:A Deformation mechanism of multi-pass equal channel angular extrusion for round-workpieces XU Shu-bo1, ZHANG Guo-liang2, REN Guo-cheng1...) Abstract: Multi-pass equal channel angular extrusion (ECAE) processes for round workpieces were investigated by using numerical simulations and experimental studies. The single-pass ECAE is a non......
:A Microstructures of pure Al powder consolidate using equal channel angular pressing and torsion after single pass LI Ping, WANG Xiao-xi, XUE Ke-min, ZHANG Xiang, WANG Xue (School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China) Abstract: Pure Al particles were successfully consolidated into nearly dense bulk materials by equal channel angular pressing......
Trans. Nonferrous Met. Soc. China 26(2016) 1736-1744 Effect of processing route on grain refinement in pure copper processed by equal channel angular extrusion Chao-lan TANG1, Hao LI2, Sai-yi LI3,4 1... words: pure copper; equal channel angular extrusion; severe plastic deformation; strain path; grain refinement 1 Introduction Severe plastic deformation (SPD) has been developed as a promising approach......
析 中图分类号:TG 376 文献标识码:A Effect of back pressure on equal channel angular extrusion process of powder porous material ZHOU Ming-zhi1, LI Ping2, XUE Ke-min2 (1. No.38...: The densification and deformation behavior of powder porous material during the equal channel angular extrusion (ECAE) process with back pressure were investigated by compressible rigid-viscoplasticity finite......
: A Coupled thermo-mechanical finite element analysis of metal with porosities during equal channel angular pressing process ZHOU Ming-zhi, XUE Ke-min, LI Ping (School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China) Abstract: The purpose of equal channel angular pressing (ECAP) is to obtain ultra-fine grained (UFG) materials. The densification......
挤压12道次后, 铜的平均晶粒尺寸为400nm. 关键词: 铜; 连续等径角挤压; 超细晶; 有限元模拟 中图分类号: TG379; TG376 文献标识码: A Ultra-fine grain copper prepared by continuous equal channel angular press YUN Xin-bing1, 2, SONG Bao-yun2...) Abstract: The continuous equal channel angular pressing introduced is a new method to produce ultra-fine grain(UFG) materials, which applies continuous extrusion technology in ECAP technology......
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......
Trans. Nonferrous Met. Soc. China 31(2021) 980-987 Evolution of Ti3Ni4 precipitates in Ti49.2Ni50.8 alloy during equal channel angular pressing Jia-rui REN1, Alexander V. SHUITCEV1, Bin SUN2, Feng... Abstract: The evolution of Ti3Ni4 precipitates in Ti49.2Ni50.8 alloy during equal channel angular pressing (ECAP) and intermediate annealing was investigated by transmission electron microscopy......
, 同时伴随每道次变形过程的动态回复也降低了最后晶格中累积的能量, 使变形两道次后的组织和性能变化不显著. 关键词: 铅; 超细晶; 晶界; 亚晶; 连续等通道角挤压 中图分类号: TG146.2 文献标识码: A Preparation of ultrafine grained aluminium by continuous equal channel angular pressing... University, Shenyang 110006, China) Abstract: A new continuous equal channel angular pressing (ECAP) technique was developed and successfully produced unlimited length of pure aluminum with ultrafine grain......
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......
