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Descripción
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| In the mass production of dies in die-casting industry, the use of reliable technology for fast and efficient repair of die-casting tools is required. Surface repair experiments with Nd:YAG coaxial laser cladding of NiCoMo maraging powder were made on specimens from maraging steel (EN 10027-2, mat. no. 1.2799). The influences of different modes of laserbeam guidance with various powder mass flows and with different degrees of overlapping of individual traces on the dilution and the repair area were determined. The micro and macroscopic analyses of microsections of fusion zone (FZ), heat affected zone (HAZ) and through-depth microhardness were analysed after cladding and after subsequent solution and precipitation annealing. The microchemical (EDS) analysis was performed at various depths. The residual stresses in the clad face and in the clad toe were determined and compared, using the hole-drilling method.(POSTER) | |
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Internacional
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Si |
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Nombre congreso
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1st Mediterranean Conference on Heat Treatment and Surface Engineering |
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Tipo de participación
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960 |
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Lugar del congreso
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Sharm El-Sheikh, Egipto |
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Revisores
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Si |
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ISBN o ISSN
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0000000000000 |
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DOI
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Fecha inicio congreso
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01/12/2009 |
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Fecha fin congreso
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03/12/2009 |
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Desde la página
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1 |
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Hasta la página
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1 |
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Título de las actas
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Presentacion poster |