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FEM) of the equal channel angular pressing (ECAP), the combination of ECAP + extrusion with different extrusion ratios, and direct extrusion of pure aluminum were performed and analyzed. The 3D FEM... distributions result in different forming processes. Key words: equal channel angular pressing (ECAP); extrusion; finite element method (FEM); microhardness; deformation homogeneity; microstructure 1......
: A binary Al-7Mg alloy was processed by equal channel angular pressing (ECAP) at room temperature via route Bc, combined with intermediate annealing. After 6 passes, a high hardness of 218 HV is achieved... stable when annealed at a temperature lower than 250 °C, while annealing at 300 °C leads to a rapid softening of the material. Key words: Al-Mg alloys; equal channel angular pressing (ECAP......
: The microstructures and properties of ZK60 alloy were evaluated under four different conditions: extrusion; extrusion and 4 passes of equal channel angular pressing (ECAP); extrusion, 4 passes of ECAP... almost remains the same, and the ultimate strength of up to 388 MPa is obtained. Key words: ZK60 magnesium alloy; extrusion; equal channel angular pressing; secondary extrusion 1 Introduction Magnesium......
Effect of Multi-Pass Equal Channel Angular Pressing on the Microstructure and Mechanical Properties of a Heterogeneous Mg88Y8Zn4 AlloyHuan Liu1,2,Zhaojun Cheng1,Kai Yan3,Jingli Yan4,Jing Bai4,Jinghua... and mechanical properties of a heterogeneous Mg88Y8Zn4(in at.%) alloy during multi-pass equal channel angular pressing(ECAP) were systematically investigated in this work.The results show that four phases,i.e.α......
Microstructure evolution of processed Mg-Al-Zn alloy by equal channel angular extrusion in semi-solid isothermal treatment JIANG Ju-fu(姜巨福), LUO Shou-jing(罗守靖) School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China Received 27 March 2006; accepted 20 July 2006 Abstract: Microstructure evolution of processed Mg-Al-Zn alloy by equal channel angular......
; 文献标志码:A Fabrication of bulk ultrafine-grained pure aluminum using multi-pass equal channel angular pressing and torsion WANG Xiao-xi1, 2, XUE Ke-min3, LI Ping3 (1. School of Mechanical... Science and Technology, Hefei University of Technology, Hefei 230009, China) Abstract: The deformation and densification behaviors of pure Al powders during 1-4 passes equal channel angular pressing......
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Trans. Nonferrous Met. Soc. China 26(2016) 448-455 Effect of annealing temperature on martensitic transformation of Ti49.2Ni50.8 alloy processed by equal channel angular pressing Dian-tao ZHANG1,2... by equal channel angular pressing (ECAP) was investigated by X-ray diffraction (XRD), transmission electron microscopy (TEM) and differential scanning calorimetry (DSC). The as-ECAP processed......
Trans. Nonferrous Met. Soc. China 25(2015) 1367-1375 Microstructure and texture evolution of Al-7075 alloy processed by equal channel angular pressing M. H. SHAERI1, M. SHAERI2, M. T. SALEHI3, S. H... Received 4 July 2014; accepted 25 October 2014 Abstract: Equal channel angular pressing is an effective technique to control the texture and microstructure of metals and alloys. Texture and microstructure......
homogeneous. 4 Conclusions 1) A combined process consisting of equal channel angular pressing and subsequent cold rolling is applied to fabricating the ultra-fine grained FeCoV alloy... by severe plastic deformation [J]. Scripta Materialia, 2004, 51(8): 825-830. [3] VALIEV R Z, LANGDON T G. Principles of equal channel angular pressing as a processing tool for grain refinement [J......
