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Publikováno v:
Matéria (Rio de Janeiro) v.15 n.2 2010
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Scopus-Elsevier
Matéria (Rio de Janeiro), Volume: 15, Issue: 2, Pages: 291-298, Published: 2010
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Scopus-Elsevier
Matéria (Rio de Janeiro), Volume: 15, Issue: 2, Pages: 291-298, Published: 2010
This work aimed to study the microstructural evolution of commercial aluminum alloy AA7050 in the solution treated condition (W) processed by equal channel angular pressing - ECAP. The analyses were made considering the effects of process parameters
Publikováno v:
Materials Science and Engineering: A. :161-169
The present work reports the development of bulk fine structured AlFeNd and AlFeNdCuSi alloys processed directly from the liquid, using a new centrifugal force casting method. The casting equipment consists of a device adapted in a single roller melt
Publikováno v:
Materials Science and Engineering: A. :884-889
In this study the Fe63Nb10Al4Si3B20 (at.%) alloy was processed by spray forming with the aim of investigate the formation of amorphous phases and novel microstructures by the high cooling rate involved in this process. The gas/metal mass flow rate us
Publikováno v:
Journal of Non-Crystalline Solids. 352:3404-3409
In the present work Fe 73− x Nb x Al 4 Si 3 B 20 ( x = 5, 10) alloys have been processed by melt-spinning with the aim of studying the crystallization sequence through annealing in suitable temperatures. Melt-spun ribbons were characterized by diff
Publikováno v:
Materials Science and Engineering: A. :571-576
The glass former Fe 83 Zr 3.5 Nb 3.5 B 9 Cu 1 (at.%) alloy was processed by spray forming. The aim was to investigate the possibility of forming novel microstructures using this process. The ratio between the gas mass flow rate and the metal mass flo
Autor:
J.B. Fogagnolo, W.J. Botta Filho, Alain Reza Yavari, Claudemiro Bolfarini, Claudio Shyinti Kiminami, C.A.D. Rodrigues
Publikováno v:
Materials Science and Engineering: A. :936-941
The microstructures and properties of Al-based alloys produced by severe plastic deformation under high pressure torsion straining were compared with alloys of the same compositions consolidated by hot extrusion and spray-forming processing. Partiall
Autor:
Akihisa Inoue, W.J. Botta Filho, A.L. Greer, C.A.D. Rodrigues, G. Huenen, J.L. Uriarte, A.R. Yavari, G. Vaughan
Publikováno v:
Journal of Non-Crystalline Solids. 304:44-50
Bulkmetallicglasses(MGs)arecurrentlysubjectofintenseresearchduetotheiruniquemechanicalproperties:NewtonianviscousformabilitybetweentheglasstransitiontemperatureT g andcrystallisationtemperatureT x andelasticstrainrangeofwellover1%belowT g .However,so
Publikováno v:
Scripta Materialia. 46:711-716
We have used severe plastic deformation (high-pressure torsion straining) to achieve cold consolidation of gas-atomised Al 90 Fe 5 Nd 5 powders into bulk nanostructured disks with a dispersion of fcc-aluminium crystallites within the glassy matrix wi
Publikováno v:
Materials Science and Engineering: A. :665-669
In this work the easy-glass-forming amorphous alloy Zr 55 Al 10 Ni 5 Cu 30 was obtained by the melt-spinning technique in the shape of ribbons. Two kinds of ribbons were produced, one with the pure alloy and another one with 1 wt.% of lanthanum oxide