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Revista de Metalurgia
1371 Publications
collected from a compatible aggregator


  • Metalografía en color de los aceros inoxidables mediante la técnica de ataque coloreado

    Fosca, C.; Merino, C.; Otero, E.; Hierro, P. (1996)
    The color metallography by tint etching allows the identification and quantification by optical microscopy of phases and constituents present in the microstructure of a great number alloys. The principle of this technique consists of the build up of an interference film on the alloy surface as consequence of electrochemical reactions between the metallic surface and the tint etching reagent. The application of the tint etching to the metallographic analysis of stainless steels enable the iden...

    Sinterización de las aleaciones Alumix 321 y 6061

    Romano, R.; Fogagnolo, J. B.; García, A.; Ruiz-Navas, E. M. (2005)
    The sintering behaviour of two aluminium alloys, Alumix 321 and 6061, was studied in this paper. Both have a similar Mg, Cu and Si contents, but have been obtained by different methods. The Alumix 321 alloy is produced by mixing the initial elements as powders and the 6061 is obtained by water atomization. The work carried out includes the study of the green properties, the determination of the compressibility and green strength curves as well as the microstructural characterization of the po...

    Non-contact one-sided evaluation of hidden corrosion in metallic constructions by using transient infrared thermography

    Vavilov, V. P. (2003)
    A short review of recent achievements in both theory and practice of transient infrared thermographic nondestructive evaluation in the application to corrosion detection is given. The potentials of 1D, 2D and 3D approaches to solving a heat conduction problem related to detecting material loss are compared, as well as the requirements to the inspection equipment are formulated. The practical illustrations are taken from the inspection of thin aluminum structures and thick steel samples.<br...

    Soldadura de aleaciones de aluminio con láseres de Nd:YAG de alta potencia

    García Orza, J. A. (1998)
    Aluminium alloys have good mechanical properties (high strength-to-weight ratio, corrosion resistance) and good workability. Their applications are growing up, specially in the transportation industry. Weldability is however poorer than in other materials; recent advances in high power YAG lasers are the key to obtain good appearance welds and higher penetration, at industrial production rates. Results of the combination of high power YAG beams with small fiber diameters and specific filler w...

    Corrosión atmosférica: validación de modelos empleando técnicas estadísticas

    Díaz, V.; Martínez-Luaces, V.; Guineo-Cobs, G. (2003)
    In this paper we discuss two different methods for validation of regression models, applied to corrosion data. One of them is based on the correlation coefficient and the other one is the statistical test of lack of fit. Both methods are used here to analyse fitting of bilogarithmic model in order to predict corrosion for very low carbon steel substrates in rural and urban-industrial atmospheres in Uruguay. Results for parameters A and n of the bilogarithmic model are reported here. For this ...
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