Artículos en revistas:
Laser shock processing as a method of decreasing fatigue of a die-casting die made of maraging steel
Laser shock processing as a method of decreasing fatigue of a die-casting die made of maraging steel
Año:2008
Áreas de investigación
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Ingenieria mecanica, -
Materiales de construccion
Datos
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Descripción
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| Laser Shock Processing (LSP) is a process of laser treatment with a pulsed beam of high-power density. The process generates locally limited mechanical waves that increase the through-depth density of dislocations. This entails a change in mechanical properties, particularly at the workpiece surface. The treatment with laser-induced shock waves is suitable for structural parts and machine elements subjected to high thermo-dynamical loads. LSP can substantially improve the wear resistance, which is of exceptional significance to die-casting tools made of maraging steel. The paper describes the effects of LSP on chosen 12% Ni maraging steel, which is suitable also for the manufacture of tools for die casting of aluminium alloys. After laser treatment, measurements of residual stresses and microhardness and other properties, including surface defects at the micro level, were carried out. The results of the study confirmed that exceptionally favourable residual stresses and microhardness could be obtained. | |
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Internacional
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JCR del ISI
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No |
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Título de la revista
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Int. J. Microstructure and Materials Properties |
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ISSN
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1741-8429 |
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Factor de impacto JCR
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0 |
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Información de impacto
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Volumen
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3 |
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DOI
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Número de revista
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2 |
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Desde la página
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271 |
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Hasta la página
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281 |
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Mes
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ENERO |
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Ranking
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Participantes
- AUTOR: MARTIN ZUPANCIC (Faculty of Mechanical Engineering. University of Ljubljana)
- Autor: Jose Luis Ocaña Moreno (UPM)
- Autor: Miguel Morales Furio (UPM)
- AUTOR: JANEZ GRUM (Faculty of Mechanical Engineering. University of Ljubljana)
- Autor: Juan Antonio Porro Gonzalez (UPM)
Grupos de investigación, Departamentos, Centros e Institutos de I+D+i relacionados
- Creador: Grupo de Investigación: Ingeniería y Aplicaciones del Láser
- Centro o Instituto I+D+i: Centro Laser
- Departamento: Física Aplicada a la Ingeniería Industrial
S2i 2023 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)