Results 21 to 30 of about 5,423 (220)

Microstructure of severely deformed metals from X-ray line profile analysis [PDF]

open access: yes, 2006
Two essentially different materials, cubic Ti(49.8)Ni(50.2) shape memory alloy and hexagonal AZ91 Mg alloy, were deformed by equal channel angular pressing (ECAP).
Gubicza, Jenő   +3 more
core   +1 more source

Zjemňování zrna protlačované hořčíkové slitiny AZ31 procesem Ecap [PDF]

open access: yes, 2017
Extruded Mg – 3%Al – 1% Zn (AZ31) magnesium alloy was subjected to ECAP (Equal Channel Angular Pressing) processing at 523 K (250 °C). At the processing temperature of 523 K, fine grains with the average grain size of 2 – 3 μm are formed as a result of ...
Hilšer, Ondřej   +3 more
core   +1 more source

Analysing the combined effect of crystallographic orientation and grain refinement on mechanical properties and corrosion behaviour of ECAPed ZE41 Mg alloy

open access: yesJournal of Magnesium and Alloys, 2020
Two step equal channel angular pressing carried out on as cast ZE41 Mg alloy resulted in a remarkable grain refinement. As compared to grain size of 46 µm in as cast sample, refinement upto 2.5 µm was achieved after 8th pass equal channel angular ...
S. Prithivirajan   +2 more
doaj   +1 more source

Direct influence of recovery behaviour on mechanical properties in oxygen-free copper processed using different SPD techniques: HPT and ECAP

open access: yesJournal of Materials Research and Technology, 2017
Oxygen-free copper of 99.95 wt.% purity was severely deformed at room temperature by two modes of severe plastic deformation, equal-channel angular pressing (ECAP) and high-pressure torsion (HPT).
Meshal Y. Alawadhi   +3 more
doaj   +1 more source

Experimental study on severe plastic deformation of Ti by novel equal-channel angular pressing [PDF]

open access: yes, 2012
This study involves experimental investigation on severe plastic deformation (SPD) of Ti using novel equal-channel angular pressing (ECAP) at ambient temperature.
Fujiwara, Eri Miura   +3 more
core   +1 more source

The precipitation behavior of MgZn2 and Mg4Zn7 phase in Mg-6Zn (wt.%) alloy during equal-channel angular pressing

open access: yesJournal of Magnesium and Alloys, 2017
As-extruded Mg-6Zn (wt.%) Alloy was subjected to severe plastic deformation (SPD) by the equal-channel angular pressing(ECAP) at 160 oC. The results of tensile tests at room temperature showed that two passes ECAP resulted in a remarkable improvement of ...
Kai Yan   +3 more
doaj   +1 more source

ECAP process improvement based on the design of rational inclined punch shapes for the acute-angled Segal 2θ-dies: CFD 2-D description of dead zone reduction [PDF]

open access: yesMechanical Sciences, 2015
This article is focused on a 2-D fluid dynamics description of punch shape geometry improvement for Equal Channel Angular Extrusion (ECAE) or Equal Channel Angular Pressing (ECAP) of viscous incompressible continuum through acute-angled Segal 2θ-dies ...
A. V. Perig, N. N. Golodenko
doaj   +1 more source

Optimization Process Parameters of Equal Angular Channel Pressing According to the Measurement Results of Microstructural Homogeneity [PDF]

open access: yesMaterials Research, 2018
The aim of the present work is to discuss process parameters effect on microstructure evolution and formation mechanism of ultrafine grains. As plastic deformation technique Equal Channel Angular Pressing (ECAP) method used pure Ti G4 rods processed in ...
Asli Günay Bulutsuz   +2 more
doaj   +1 more source

Ultrafine grains - a new option for light metals [PDF]

open access: yes, 2009
The potential of ultrafine grained light metals is reviewed. The fundamental metallurgical processes, microstructures developed and properties obtained are first considered.
Olejnik, L., Rosochowski, A.
core   +1 more source

INFLUENCE OF DIE ANGLES ON THE MICROHARDNESS OF ALUMINUM ALLOY PROCESSED BY EQUAL CHANNEL ANGULAR PRESSING

open access: yesInternational Islamic University Malaysia Engineering Journal, 2010
The die geometry has a massive effect on the plastic deformation behavior during pressing of material processed by equal channel angular pressing (ECAP) method; subsequently the properties of the processed material are strongly dependent on it.
Ali A Aljubouri
doaj   +1 more source

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