共搜索到2579条信息，每页显示10条信息，共258页。用时：0小时0分0秒586毫秒
purity aluminum exhibits a variety of attractive mechanical properties and special deformation behavior. Equal channel angular pressing (ECAP) process can be used to easily and effectively refine...Mechanical responses, texture and microstructural evolution ofhigh purity aluminum deformed by equal channel angular pressingWANG Bing-feng(汪冰峰)1, 2, 3, SUN Jie-ying(孙杰英)1, ZOU Jin-dian(邹金佃)1......
alloy was prepared through two different equal channel angular pressing(ECAP) dies, in which the intersecting angles between channels were 90? and 120?, respectively. Mechanical properties of the alloy...]. Scripta Mater, 2001, 44(1): 91-96. [2] SUH J Y, KIM H S, PARK J W, CHANG J Y. Finite element analysis of material flow in equal channel angular pressing [J]. Scripta Mater, 2001, 44: 677-681. [3] KIM J K......
次的增加,硬度增加趋于缓慢. 关键词:粉末烧结材料；组织；性能；包套-等通道转角挤压 中图分类号:TG 376 文献标识码:A Equal channel angular pressing of pure Al powder sintered material LI Ping, HUANG Ke-shuai, XUE Ke-min... into fully dense bulk material by powder in tubes-equal channel angular pressing at 200 ℃. During the pressing, the effects of three routes (A, BC, C) on the structure and properties were studied......
Effect of processing routes on microstructure and mechanical properties of 2014 Al alloy processed by equal channel angular pressing P. VENKATACHALAM1, S. RAMESH KUMAR1, B. RAVISANKAR1, V. THOMAS... Division, IGCAR, Kalpakkam-603 102, India Received 4 December 2009; accepted 10 May 2010 Abstract: Al-Cu alloy was deformed through equal channel angular pressing (ECAP) by routes A, Ba, Bc and C up to 5......
T, HORITA Z, NEMOTO M, TERENCE G L. Principle of equal channel angular pressing for the processing of ultra-fine grained materials [J]. Scripta Materialia, 1996, 35(2): 143-146. [3] GOFORTH R E... Dordrecht: Kluwer Academic Publishers, 2000. [4] LEE J C, SEOK H K, SUH J Y. Microstructural evolutions of the Al strip prepared by cold rolling and continuous equal channel angular pressing [J]. Acta......
Trans. Nonferrous Met. Soc. China 24(2014) 1289-1294 Refinement and consolidation of pure Al particles by equal channel angular pressing and torsion Ping LI, Ke-min XUE, Xiao-xi WANG, Chen-hao QIAN... at 200 °C by equal channel angular pressing and torsion (ECAPT) method. The grain refinement and consolidation behavior were deeply investigated by scan electronic microscopy (SEM) and transmission......
to the grain refinement and dispersion of the oxide layer originated from the surface of scraps. Equal channel angular pressing (ECAP) is a novel metal forming process that introduces heavy shear strains.... [13] XU Cheng, XIA Ke-nong. Processing of a magnesium alloy by equal-channel angular pressing using a back-pressure [J]. Mater Sci Eng A, 2009, 527(1/2): 205-211. [14] HASANI A, LAPOVOK R,TOTH L S......
Route Effect on Equal Channel Angular Pressing of Copper TubeFaramarz Djavanroodi1,2,Ali Asghar Zolfaghari2,Mahmoud Ebrahimi2,Kamran Nikbin11. Department of Mechanical Engineering,Imperial College2... proposed,and the experiments have been performed using equal channel angular pressing(ECAP) with an angle of 90° between two intersecting channels and also the use of rubber pad as a mandrel during......
Numerical and physical simulation of new SPD method combining extrusion and equal channel angular pressing for AZ31 magnesium alloy ZHANG Ding-fei(张丁非)1, 2, HU Hong-jun(胡红军)1, 3, PAN Fu-sheng(潘复生... processing procedure[15-16] was used to extrude a cast Mg-9%Al alloy involving the sequential application of extrusion and equal-channel angular pressing (EX-ECAP). Experiments showed that the Mg-9%Al......
for the ECAPed metal. The following equation was finally obtained: σ(ε)=103.9+1825ε-9.6ε1/2·d-1/2+8.3d-1/2. Key words: Ti; mechanical properties; grain size; flow stress; equal channel angular pressing 1 Introduction Equal channel angular pressing (ECAP) is an effective method that produces a relatively large volume of bulk material with ultra-fine grains [1-4]. The ECAP process has been proven very effective......
