[PDF] Top 20 High Strain Rate Superplasticity in an Al Li Mg Alloy Subjected to Equal Channel Angular Extrusion
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High Strain Rate Superplasticity in an Al Li Mg Alloy Subjected to Equal Channel Angular Extrusion
... peak strain was about ...higher strain rates, at which an evidence for localization of plastic deforma- tion resulting in the final necking and fracture was ...exceptionally high tensile ductilities. ... See full document
8
Superplasticity at Room Temperature in Zn 22Al Alloy Processed by Equal Channel Angular Extrusion
... as equal-channel-angular extrusion (ECAE) or torsion straining (TS) have been seen as methods for producing bulk materials with ...large strain in the sample; the rearrangement of the ... See full document
5
Mechanical Properties of Mg Y Zn Alloy Processed by Equal Channel Angular Extrusion
... Typical Mg–Al system alloys, for example, AZ91, AM60 and AZ31, normally exhibit moderate strength at room temperature, but the strength rapidly decreases above 400 ...have high strength at elevated ... See full document
5
Ultrafine grained plates of Al-Mg-Si alloy obtained by Incremental Equal Channel Angular Pressing : microstructure and mechanical properties
... e.g., equal channel angular sheet ...plastic strain in a series of small deformation increments, which are based on a simple shear (in terms of deformation, the process is thus equivalent to ... See full document
12
Microstructure and Mechanical Properties of Cp Al Chips Consolidated Through Hot Equal Channel Angular Pressing
... unmilled Al added during blending, the remaining grain-size distribution ranges between 500 and 1000 nm, designated the coarse-grained (CG) Al ...bimodal Al with 30 pct CG phase in the longitudinal ... See full document
7
Change Channel Angular Extrusion of Magnesium Alloy AZ31
... of Mg alloy AZ31 processed by a new severe plastic deformation technique, the change-channel angular extrusion ...extruded Mg alloys are found to be refined significantly, which is ... See full document
6
High Strain Rate and/or Low Temperature Superplasticity in AZ31 Mg Alloys Processed by Simple High Ratio Extrusion Methods
... AZ31 alloy after one-step high-ratio extrusion was significantly reduced from the original 70 ...after extrusion to 42:1, 100:1 and ...imens subjected to 166:1 extrusion is shown ... See full document
9
Finite Element Investigation of Equal Channel Angular Extrusion Process
... low strain rate sensitivity, low friction, and large corner angle might lead to more uniform deformation and homogeneous distribution of ...the high friction and small corner angle might be ... See full document
7
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
... as-cast alloy and it can be seen that new-formed DRX grains gradually spread to whole area with a few remained initial coarse ...the high ECAE temperature of 623 K during holding temperature before the ... See full document
6
Low Temperature Superplasticity in Aluminum Alloys Processed by Equal Channel Angular Pressing
... the Al– 3%Mg–0.2%Fe alloy and a selected area electron diffraction (SAED) pattern taken from a region of ...by high-angle ...as-ECAP Al–3%Mg–0.1%Zr alloy and they are con- ... See full document
6
Strain mapping and nanocrystallite size determination by neutron diffraction in an aluminum alloy (AA5083) severely plastically deformed through equal channel angular pressing
... aluminium alloy AA5083 (93.69% Al; 4.67% Mg; ...a strain rate of 50 mm/s at room temperature using PTFE spray and MoS 2 as ...an equal channel die of 90 ∘ up to 4 ... See full document
8
High Strain Rate Superplasticity of Mg Based Composites Fabricated by Friction Stir Processing
... of Mg alloys would limit their ...rolling, extrusion, equal channel angular pressing (ECAP) have demonstrated the feasibility to remarkably improve the ductility and ... See full document
6
Stress Corrosion Behavior of Mg 2 mass% Sn Alloy by Equal Channel Angular Extrusion
... the high second phase volume fraction showed low crack propagation ...propagation rate and enhance stress corrosion ...of strain is accumulated by repeat- ed ECAE passes, and form numbers of fine ... See full document
6
Plastic Flow and Strain Homogeneity of an Equal Channel Angular Pressing Process Enhanced through Forward Extrusion
... higher strain at the outer portion and lower strain at the inner portion of the deformed ...highest strain developed at the edges of the die entrance, where the material flow was ...a high ... See full document
5
Microstructure and Mechanical Properties of Magnesium Alloy AZ31 Processed by Compound Channel Extrusion
... commercial Mg alloy AZ31 with the following chemical composition (in mass%): 3% Al, 1% Zn, ...and Mg (balance), supplied in form of cast ...of alloy composition, ingots were homogenized ... See full document
6
Low Temperature Superplasticity of ECAE Processed Mg 10%Li 1%Zn Alloy
... investigated alloy can be illustrated as shown in ...to high strain that accumulated during ECAE processing, and the fine recrystallized grains increases the grain boundary area, thereby enhancing ... See full document
5
Microstructure and Texture Evolution of the Al 20Sn Alloy Processed by Equal Channel Angular Pressing Using Route C
... an Al-20Sn (mass % ) alloy processed by Equal Channel Angular Pressing is ...deformed alloy have been ...that Al grains, suffered the highest degree of deformation during ... See full document
6
Influence of equal-channel angular extrusion on impact toughness of aluminum and brass at room and low temperatures
... Impact toughness, while not a direct measure of the fracture toughness, is commonly used to evaluate the relative fracture behavior of engineering materials. Experimental results regarding the effect of ECAE on the ... See full document
10
Equal Channel Angular Pressing and High Pressure Torsion of Pure Copper: Evolution of Electrical Conductivity and Hardness with Strain
... HPT was conducted using the facilities as described in Refs. 38, 39) for disc and ring samples. The facilities for HPT consist of upper and lower anvils having a shallow hole of 10 mm diameter and 0.25 mm depth at the ... See full document
5
Adiabatic Shearing Localisation in High Strain Rate Deformation of Al Sc Alloy
... the strain rate on the shear stress, adiabatic shear band characteristics, and fracture features of the Al-Sc alloy are systematically ...the strain rate sensitivity increase ... See full document
6
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