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145 results on '"Merino M.C."'

34. Advances in characterization and epidemiology of strawberry viruses and phytoplasmas in Argentina

Author

Conci, V.C., primary, Luciani, C.E., additional, Merino, M.C., additional, Celli, M.G., additional, Perotto, M.C., additional, Torrico, A.K., additional, Pozzi, E., additional, Strumia, G., additional, Dughetti, A.C., additional, Asinari, F., additional, Conci, L.R., additional, Fernandez, F.D., additional, Salazar, S.M., additional, Meneguzzi, N.G., additional, and Kirschbaum, D.S., additional

Published
2017
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38. Influencia del Porcentaje de SiCp en el Comportamiento a la Corrosión de la Aleación AA6061 Obtenida por Compactación Isostática

Author

García, J.A., Ruiz, T., Merino, S., Pardo, A., Merino, M.C., and García Cambronero, Luis Enrique

Subjects
Materiales
Abstract

Se ha estudiado el comportamiento a la corrosión de materiales compuestos A6061/SiCp obtenidos por compactación isostática y extrusión en caliente de polvos mediante ensayos de polarización cíclica. El estudio de la naturaleza de los productos de corrosión se ha llevado a cabo mediante Microscopía Electrónica de Barrido (SEM) después de la realización de los ensayos, con objeto de estudiar la influencia de la proporción de refuerzo en el comportamiento a la corrosión. El proceso de corrosión está significativamente influenciado por la adición de partículas reforzantes, debido a que las intercaras matriz/SiCp son centros preferentes de ataque localizado por picadura.

Published
2008

39. Ion beam shepherd satellite for space debris removal

Author

Merino, M.C., Ahedo Galilea, Eduardo, Bombardelli, Claudio, Urrutxua, H., Pelaez Alvarez, Jesus, Merino, M.C., Ahedo Galilea, Eduardo, Bombardelli, Claudio, Urrutxua, H., and Pelaez Alvarez, Jesus

Abstract

A novel contactless space debris removal system is proposed in which the debris orbital motion is actively controlled by exploiting the momentum transmitted by a collimated beam of quasi-neutral plasma impinging against its surface. The beam can be generated with state-of-the-art ion engines from a "shepherd spacecraft" coorbiting nearby. This space- craft, placed at a distance of 10?20 m from the object, would use a state-of-the-art ion thruster pointed towards the debris, as well as a sec- ond propulsion system to compensate for the beam reaction in order to keep a constant distance between the debris and the shepherd satellite throughout the deorbiting process. The key aspects of the concept, in- cluding the propulsion requirements, the modeling of the plasma beam, the momentum transfer to the body, and the dynamics and control of the system, are discussed.

Published
2013

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