equal channel angular pressing
Effects of Temperature and Strain Rate on Plastic Deformation of Ultrafine Grained Copper Prepared by Equal Channel Angular Pressing
... Ultra fi ne-grained (UFG) pure copper of 280 nm grain size was prepared by equal-channel angular pressing. Tensile tests, strain-rate change tests and temperature change tests were conducted on ...
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Low Temperature Superplasticity in Aluminum Alloys Processed by Equal Channel Angular Pressing
... Equal-channel angular pressing (ECAP) was applied to achieve grain refinement of Al–3 mass%Mg alloys containing 0.2 mass%Sc, 0.2 mass%Fe or 0.1 mass%Zr. The thermal stability of the ...
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Effect Of Equal Channel Angular Pressing On Microstructure And Mechanical Properties On Non Dendritic LM25 Aluminium Alloy
... by equal channel angular pressing (ECAP) ...of equal channel angular pressing of Al- 7075 alloy on the fracture toughness is experimentally investigated by ...
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Ten years of severe plastic deformation (SPD) in Iran, part I: equal channel angular pressing (ECAP)
... extrusion channel in a single die, referred to as forward extrusion-equal channel angular pressing (FE-ECAP) which is shown in ...
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Equal Channel Angular Pressing of Al SiC Composites Fabricated by Stir Casting
... Stir casting method was used to produce conventional metal matrix composites (MMC) with fairly homogenous disper- sion of reinforcement material. Commercial pure aluminum and silicon carbide particles (50 µm) were ...
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Grain Refinement in As Cast 7475 Aluminum Alloy under Hot Equal Channel Angular Pressing
... during equal channel angular pressing (ECAP) was studied in an as-cast ...strain. Pressing to a strain of 12 leads to a full development of new grains surrounded by medium to high angle ...
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Strength Enhancement and Deformation Behavior of Gold after Equal Channel Angular Pressing
... The significant enhancement of strength is reported for pure K24 gold and its K18 alloys subjected to grain refinement by equal channel angular pressing (ECAP) in comparison with their annealed ...
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Cyclic Deformation Behavior of Ultra Fine Grained Copper Produced by Equal Channel Angular Pressing
... In recent years, much attention has been given to the mechanical properties of ultra-fine grained (UFG) materials produced by severe plastic deformation (SPD) techniques such as equal channel angular ...
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Process Modelling of Equal Channel Angular Pressing for Ultrafine Grained Materials
... Equal channel angular pressing (ECAP) is a viable forming procedure to extrude material by use of specially designed channel dies without a substantial change in geometry and to make an ...
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Experimental Findings on the Influence of Back Pressure on Equal Channel Angular Pressing of Copper Processed Through Powder Metallurgy Route
... ABSTRACT: Equal Channel Angular pressing is a unique Severe Plastic Deformation Process for producing ultra-fine grain sized ...a channel angle of 110 o in a 100 ton hydraulic ...
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Superior Strength of Austenitic Steel Produced by Combined Equal-Channel Angular Pressing and Rolling Processing
... Abstract: Enhancement in the strength of austenitic steels with a small content of carbon can be achieved by a limited number of methods, among which is the ultrafine-grained (UFG) structure formation, especially ...
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Microstructural evolution in a spray cast aluminum alloy during equal channel angular pressing
... by equal-channel angular pressing (ECAP) to a total of 8 passes at 473 K and the pressed samples were examined using transmission electron microscopy, differential scanning calorimetry and ...
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Equal Channel Angular Pressing to Produce Ultrafine Pure Copper with Excellent Electrical and Mechanical Properties
... In this article, commercially pure copper samples were severely deformed by equal channel angular pressing (ECAP) up to eight passes at room temperature. The effects of severe plastic ...
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Equal Channel Angular Pressing of Aluminium Alloy 5083 using different die geometries
... properties. Equal channel angular pressing (ECAP), which primarily introduced by Segal is one of the severe plastic deformation methods for developing ultrafine grained materials in metal ...
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Microstructure and Texture Evolution of the Al 20Sn Alloy Processed by Equal Channel Angular Pressing Using Route C
... In this work, the microstructure and texture evolution of an Al-20Sn (mass % ) alloy processed by Equal Channel Angular Pressing is presented. The evolution of dislocation cells into subgrains ...
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Effect of Equal Channel Angular Pressing on the Distribution of Reinforcements in the Discontinuous Metal Matrix Composites
... and 30 µ m < . The composites were subjected to equal channel angular pressing (ECAP) under various conditions and the microstuctural changes during ECAP were examined. A special focus was ...
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Effect of Equal-Channel Angular Pressing Passes on the Corrosion Behavior of 1050 Aluminum Alloy in Natural Seawater
... In this work, the 1050 aluminum alloy (AA 1050) was processed by using equal-channel angular pressing (ECAP) technique for different number of passes namely; 0, 4, 6, 8, 12 and 16 passes. The ...
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Microstructure and Mechanical Properties of Cp Al Chips Consolidated Through Hot Equal Channel Angular Pressing
... Equal channel angular pressing (ECAP) process provides an efficient procedure for achieving ultrafine grained microstructures with excellent mechanical properties in metallic ...
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Deformation Heterogeneities in Equal Channel Angular Pressing
... Equal channel angular pressing (ECAP) is a severe plastic deformation (SPD) technique leading to re fi nement of the grain size of materials to submicron or even nano-size length ...However, ...
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Hot and Cold Tensile Behavior of Al 6061 Produced by Equal Channel Angular Pressing and Subsequent Cold Rolling
... Abstract: The full annealing AA6061 aluminum alloy was subjected to severe plastic deformation via the combination of equal channel angular pressing (ECAP) and cold rolling (CR) in order to ...
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