Equal channel angular extrusion
Influence of equal-channel angular extrusion on impact toughness of aluminum and brass at room and low temperatures
... Equal-channel angular extrusion (ECAE), twist extrusion, high pressure torsion, and friction stir processing are all se- vere plastic deformation (SPD) processes that can result in ...
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Superplasticity at Room Temperature in Zn 22Al Alloy Processed by Equal Channel Angular Extrusion
... Recently, severe plastic deformation (SePD) techniques such as equal-channel-angular extrusion (ECAE) or torsion straining (TS) have been seen as methods for producing bulk materials with ...
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Stress Corrosion Behavior of Mg 2 mass% Sn Alloy by Equal Channel Angular Extrusion
... Also, in our previous research, we reported that the stress corrosion cracking (SCC) mechanism of the Mg–Sn samples was intergranular stress corrosion cracking (IGSCC). Cracks of IGSCC mode propagate along grain ...
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The Effect of Warm Equal Channel Angular Extrusion on Ductility and Twinning in Magnesium Alloy ZK60
... in this context, as it addresses just that question. Agnew et al. found that the microstructure of hot-rolled ZK60 plate was heterogeneous, some larger grains (50 mm) being embed- ded in an array of smaller grains ...
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High Strain Rate Superplasticity in an Al Li Mg Alloy Subjected to Equal Channel Angular Extrusion
... The superplastic behavior of an Al–4.1%Mg–2.0%Li–0.16%Sc–0.07%Zr alloy (1421 Al) subjected to intense plastic straining by equal- channel angular extrusion (ECAE) was studied in the ...
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Effect of Solution Treatment on Microstructure Evolution and Mechanical Properties of Mg 6 0Zn 0 6Y 0 5Zr Alloy Processed by Equal Channel Angular Extrusion
... Equal channel angular extrusion (ECAE) has been shown to be effective in refining grains in various alloys with improved ductility, strength and superplasticity, including Mg ...
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Microstructure Evaluation of Equal Channel Angular Extrusion in Aluminium 5083 Alloy by Cryogenic Treatment
... commercially available aluminium magnesium (Al 5083) alloy with equal channel angular extrusion process (ECAP) using route-Bc at room temperature and cryogenic conditions. Initially before the ...
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Finite Element Investigation of Equal Channel Angular Extrusion Process
... In this study, the effect of material properties on deformation pattern and strain distribution of the commercially-available pure titanium (CP-Ti) specimen during an equal channel angular ...
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Equal Channel Angular Extrusion Technique for Controlling the Texture of n Type Bi2Te3 Based Thermoelectric Materials
... each extrusion temperature of ECAE in ...high extrusion temperature tend to be ...exit channel of the die appears to have little effect on the d value of the specimen extruded at 773 ...the ...
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Microstructural, texture, plastic anisotropy and superplasticity development of ZK60 alloy during equal channel angular extrusion processing
... In the present work, a commercial ZK60 (Mg-5.3Zn-0.48Zr, wt. %) alloy in the form of extruded bar was selected as a starting material. Cylindrical specimens of 10 mm in diameter with a length of 100 mm were machined from ...
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Numerical Estimation of Frictional Effects in Equal Channel Angular Extrusion
... cating bulk nanostructured materials (BNM). The extruded material presents enhanced mechanical properties such as high strength and superplasticity, which are caused by the se- vere plastic deformation (SPD) inflicted by ...
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Mechanical Properties of Mg Y Zn Alloy Processed by Equal Channel Angular Extrusion
... extrusion direction, and newgrains were nucleated on the boundaries of the original grains as indicated by arrows in Fig. 1(b). During ECAE, the grain refinement proceeds over almost the whole region, and the rod ...
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Ferritic-martensitic steel subjected to equal channel angular extrusion
... entry channel of the tool and left for one hour, while 600 C and 700 C billets were placed in a nearby furnace at temperature for the same ...entry channel, close the ram over the channel, and press ...
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Change Channel Angular Extrusion of Magnesium Alloy AZ31
... change-channel angular extrusion ...the equal-channel angular extrusion with several passes, rendering the CCAE an effective and promising approach to impose drastic ...
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Analysis of tool cavity stresses in channel angular extrusion
... The Channel Angular Extrusion (CAE) technique is a process, in which a deformable solid material is led to yielding through the intersection of inclined ...refinement. Equal Channel ...
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A Review: Plastic Deformation through Equal Channel Angular Pressing
... rolling, extrusion, drawing etc, and by deforming the metal removed through grinding, milling and cutting ...size. Equal Channel Angular Pressing (ECAP) is very capable of producing ultrafine ...
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Microstructure evolution in AZ61 alloy processed by Equal Channel Angular Pressing
... Tensile fracture surfaces provide useful information for understanding the effects of micro-structures on the strength and ductility of ECAP-processed samples. Fig. 8 shows the scanning electron microscopy fracture ...
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Microstructural Characterization of a Magnesium Alloy Processed by Equal Channel Angular Pressing
... It can be noticed that the recrystallized fraction is substantially higher than after the first pass, and the average size of the recrystallized grains is larger (~2 μm). With increasing the strain, until ~6 (Figure 3e ...
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Deformation Characteristics Evaluation of Modified Equal Channel Angular Pressing Processes
... process: equal channel multi angular pressing (ECMAP), 11) T shaped ECAP (T-ECAP), 12) Cross shaped ECAP (Cross-ECAP), 13) rotary die ECAP, 14,15) ECAP combined with rolling: cold rolling and ...
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Equal Channel Angular Pressing of Al SiC Composites Fabricated by Stir Casting
... or extrusion have been used so far to im- prove the homogeneity of the particle ...The equal channel angular pressing (ECAP) is therefore very effec- tive technique to avoid SiC particle ...
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