Results 11 to 20 of about 31,262 (307)

Mechanical properties of copper processed by Equal Channel Angular Pressing – a review [PDF]

open access: yesFracture and Structural Integrity, 2011
The Equal Channel Angular Pressing is a hardening treatment with which ductile metals can beprocessed to refine their grain and sub-grain structure. This process enhances the mechanical strength of metalsin terms of tensile strength, stress-controlled ...
Ludvík Kunz, Luca Collini
doaj   +5 more sources

Microstructure evolution of AA7050 Al alloy during Equal-Channel Angular Pressing [PDF]

open access: yesMaterials Research, 2012
High strength AA7050 aluminum alloy was processed by ECAP through route A in the T7451 condition. Samples were processed at 423 K, with 1 and 3 passes.
Katia Regina Cardoso   +3 more
doaj   +5 more sources

Rotary-Die Equal Channel Angular Pressing Method [PDF]

open access: yes, 2011
Light metals such as aluminum, magnesium, titanium and their alloys are useful for a wide range of applications such as in the automotive, railway, and aerospace industries. Engineering of fine-grained light metal materials is an indispensable technology that is expected to improve material properties such as tensile strength, elongation, corrosion ...
Akira Watazu
openaire   +5 more sources

Geomechanics of Interaction of Frame-Anchor Support Elements of Extraction Drifts in Solid Load-Carrying System [PDF]

open access: yes, 2010
An aluminum alloy with two different precipitation states was processed by Equal Channel Angular Pressing up to 16 passes. The thermal stability of the ultra-fine grain structure was examined during annealing at 300°C up to 1 h.
Astafyev, Denys   +3 more
core   +1 more source

The effect of tooling design and properties of materials on fracture and deformation through equal channel angular pressing technique [PDF]

open access: yesMATEC Web of Conferences
The submicrometer range of grain sizes was reached for AA5083 by using equal channel angular pressing at room temperature. While the submicrometer grains of AA5083 were stable up to annealing temperatures of 300 °C, the stability of these grains was only
Singh Nagendra, Kumar Agrawal Manoj
doaj   +1 more source

Effect of Equal Channel Angular Pressing on the Microstructure and Shear Strength of an As-Cast Mg-2Si Alloy [PDF]

open access: yesJournal of Advanced Materials in Engineering
Although Mg-Si alloys have promising potential applications in various industries, their mechanical properties are challenged by the presence of coarse primary and eutectic Mg2Si particles and their heterogeneous distribution in the microstructure.
S. Sirjani   +3 more
doaj   +1 more source

Microstructure evolution in AZ61 alloy processed by equal channel angular pressing

open access: yesAdvances in Mechanical Engineering, 2016
Magnesium and its alloys are finding increasing use in aerospace, automobile, nuclear, electrical, and structural engineering applications because of their high strength-to-weight ratio when compared to aluminum, titanium, and steel.
Muralidhar Avvari   +2 more
doaj   +1 more source

VARIOUS POSSIBILITIES OF THE HOT EXTRUSION IN ALUMINUM CHIPS PROCESSING

open access: yesActa Metallurgica Slovaca, 2014
This article deals with the analysis and comparison of the conditions for solid state welding during extrusions by means of numerical simulation. Numerical simulations made on four different matrices, such as square die without integrated extrusion and ...
Róbert Kočiško   +3 more
doaj   +1 more source

Severely deformed copper by equal channel angular pressing

open access: yesProgress in Natural Science: Materials International, 2017
Abstract Mechanical and microstructural analysis of equal channel angular pressed copper was experimentally investigated. The results showed that the hardness distribution uniformity was rapidly decreased after the first pass and gradually improved at the following passes.
Ebrahimi, M., Göde, Ceren
openaire   +6 more sources

Microstructure evolution in a Cu-Cr-Zr alloy during warm intense plastic straining [PDF]

open access: yes, 2014
The effect of equal channel angular pressing at a temperature of 200°C to a total strain of 12 on microstructure evolution and mechanical properties of a Cu-0.87wt.%Cr- 0.06wt.%Zr was investigated.
Belyakov, A. N.   +3 more
core   +1 more source

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