989 resultados para Rodés Teixidor, Joan


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Cold-drawn steel rods and wires retain significant residual stresses as a consequence of the manufacturing process. These residual stresses are known to be detrimental for the mechanical properties of the wires and their durability in aggressive environments. Steel makers are aware of the problem and have developed post-drawing processes to try and reduce the residual stresses on the wires. The present authors have studied this problem for a number of years and have performed a detailed characterization of the residual stress state inside cold-drawn rods, including both experimental and numerical techniques. High-energy synchrotron sources have been particularly useful for this research. The results have shown how residual stresses evolve as a consequence of cold-drawing and how they change with subsequent post-drawing treatments. The authors have been able to measure for the first time a complete residual strain profile along the diameter in both phases (ferrite and cementite) of a cold-drawn steel rod.

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Eutectic rods of Al2O3–Er3Al5O12 were grown by directional solidification using the laser-heated floating zone method at rates in the range 25–1500 mm/h. Their microstructure and mechanical properties (hardness, toughness and strength) were investigated as a function of the growth rate. A homogeneous and interpenetrated microstructure was found in most cases, and interphase spacing decreased with growth rate following the Hunt–Jackson law. Hardness increased slightly as the interphase spacing decreased while toughness was low and independent of the microstructure. The rods presented very high bending strength as a result of the homogeneous microstructure, and their strength increased rapidly as the interphase spacing decreased, reaching a maximum of 2.7 GPa for the rods grown at 750 mm/h. The bending strength remained constant up to 1300 K and decreased above this temperature. The relationship between the microstructure and the mechanical properties was established from the analysis of the microstructure and of the fracture mechanisms

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Ponencia publicada en las Actas del Congreso Internacional de la EAHN (EUROPEAN ARCHITECTURAL HISTORY NETWORK), celebrado en Bruselas del 31 Mayo -3 Junio 2012.

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Comentario critico y edicion corregida de les Trobes de Mossen Febrer... en que trata dels llinatges de la conquista de la ciudad de Valencia e sou Regne, obra erroneamente atribuida a Jaume Febrer

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Descripción basada en: SAXONIA, L., Meditationes vitae Christi (en valenciano), "Lo Quart del Cartoixà", arromançat per Johan Roiç de Corella, facsímil de la edición valenciana de 1496. Valencia. Ayunt. de Valencia, 1998, pp. 14-58

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Descripción basada en: D'Eiximenis a Sor Isabel de Villena. Aportació a l'estudi de la nostra cultura medieval, Barcelona, Abadía de Montserrat-Institut de Filología Valenciana, 1990, pp. 125-149

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Alcance y contenido: Testamento ms. de Isabel Pujadas (antes Mascaró), dejando como herederos a su marido, Antoni Joan Pujadas y a sus tres hermanos, Antich, Jacinto y Miquel Mascaró. Fue escrito en su propia casa y después trasladado a Sant Celoni para rubricarlo el notario

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Conferencia en la ETSA de Valencia

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Tit. en anteport. : Gerardi Joannis Vossii De literarum permutatione tractatus

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Hay un ejemplar encuadernado con: Individual noticia de todos los altares, arcos pinturas, adornos y lo mas exquisito y notable que havia en la carrera de la procession, y de las iluminaciones en general ... : (XVIII/1705).