Equal Channel Angular Extrusion (ECAE)
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 ...
6
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 ...
7
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 ...
8
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 ...
8
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 ...
10
Superplasticity at Room Temperature in Zn 22Al Alloy Processed by Equal Channel Angular Extrusion
... Equal-Channel-Angular extrusion (ECAE) has been conducted at room temperature in order to develop an ultrafine-grained structure in a Zn-22 mass% Al eutectoid ...
5
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 ...
6
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 ...
6
Equal Channel Angular Extrusion Technique for Controlling the Texture of n Type Bi2Te3 Based Thermoelectric Materials
... the extrusion temperature has less effect on the carrier ...lowering extrusion temperature. However, a lower extrusion temperature such as 693 K is not sufficiently high for forming a highly orientated ...
5
Mechanical Properties of Mg Y Zn Alloy Processed by Equal Channel Angular Extrusion
... The material used in the present study was a WZ73 alloy. The nominal composition is Mg–6.8 mass%Y–2.5 mass%Zn. The alloy was initially produced by ingot casting. The ingot was homogenized at 798 K for 24 h followed by ...
5
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 ...
5
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 ...
6
ECAP process improvement based on the design of rational inclined punch shapes for the acute-angled Segal 2 -dies: CFD 2-D description of dead zone reduction
... for Equal Channel Angular Extrusion (ECAE) or Equal Channel Angular Pressing (ECAP) of viscous incompress- ible continuum through acute-angled Segal 2θ-dies with 2θ < ...
9
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 ...
6
Equal Channel Angular Pressing of Al SiC Composites Fabricated by Stir Casting
... The experimental densities of composites have in- creased as reinforcement is increased up to 5% SiC; upon further increase to 10% SiC the composite experimental showed little decrease. This is probably due to air and ...
8
Effect of Equal Channel Angular Pressing on the Distribution of Reinforcements in the Discontinuous Metal Matrix Composites
... cluster region of the composites. In light of the fact that SiC was initially in the form of whisker with the average aspect ratio of ∼ 10, it is of interest to note that a large portion of SiC in the clusters after hot ...
5
A Review: Plastic Deformation through Equal Channel Angular Pressing
... In another experiment conducted on the deformation of Aluminium 6061 (AA 6061) via ECAP treatment, few grains were observed which is about 2.6 multiply by the grain sizes obtained for the as received sample. A free ...
5
Microstructure and Mechanical Properties of Cp Al Chips Consolidated Through Hot Equal Channel Angular Pressing
... The mechanical response of metals with a bimodal grain-size distribution is modelled using the secant Mori– Tanaka (M-T) mean-field approach. The actual microstructure of bimodal metals involves a grain size distribution ...
7
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 ...
5
Computational Analysis of Equal Channel Angular Pressing for Aluminum Alloys K Veeranjaneyulu & Ch Siddhartha
... better understanding of the deformation mechanisms operating in the ECAP process, which leads to the observed intense grain refinement. In this process, a vast amount of EBSD measurements was carried out, including two ...
11