[PDF] Top 20 Soldag. insp. vol.17 número3

... Neste aniversário vale olhar o passado com gratidão e pensar o futuro como um desaio; agradecer a todos os que contribuíram com a revista, e, aliás, ainda contribuem, e ava[r] ... See full document

... De forma global, respecto al TIG hilo frío se ahorra un 24% en el gas consumido al utilizar el proceso HW-TIG debido a la reducción del número de pasadas, gracias a su mayor tasa de d[r] ... See full document

... Por ejemplo, para un caudal de 15 l.min-1 la concentración de oxígeno del gas de protección en el centro del arco es de 500 ppm en comparación con 100 ppm para el difusor estándar de [r] ... See full document

... The objectives of the current study are to analyze the effects of laser welding in the weld shape of both similar and dissimilar joints of NiTi to stainless steel and titanium alloys.. [r] ... See full document

... These methods are based on sensor fusion, the extraction of global information coming from the interrelation data given by each sensor that, for example, sensing the spectroscopy radiat[r] ... See full document

... • Mostrar o lado moderno e o desaio da soldagem e processos ains, para atrair mais proissionais talentosos para indústria; • Atualizar e integrar os programas educacionais relacionados à[r] ... See full document

... Consequently, the precipitation of secondary phases, which are known to be detrimental to the toughness and corrosion resistance of duplex stainless steels, was signiicantly suppressed [r] ... See full document

... Los resultados de dureza Vickers presentados en la Tabla 2, muestran valores muy similares para las tres muestras de Au-Si, lo que muestra que a nivel global las aleaciones cercanas a[r] ... See full document

... Dissimilar joining of shape memory alloys to Ti alloys has long been attempted by several research groups due to the foreseen potential industrial applications. However, the very dissim[r] ... See full document

... Os programas de pós-graduação deveriam abolir a conotação de cursos para fazer com que os pós-graduandos não se sentissem e se com-.. portassem como alunos.[r] ... See full document

... To demonstrate the procedure for applying correction factors, a sample welding scenario is presented to calculate the width of the 800°C isotherm during welding of AISI 1010 carbon steel with no preheat. Recommended ... See full document

... de movimientos y velocidades de soldadura se utilizó el sistema Railtrac®. Los parámetros de soldadura pueden, así mismo, ser obtenidos mediante procesamiento de señales eléctricas apoyados en sistemas de adquisición de ... See full document

... Higher deposition current induced mass loss rate increase on pin-on-disc sliding wear tests, arising 44,38 % increment on wear coeficient, as a consequence of the lower carbides fractio[r] ... See full document

... De los resultados obtenidos, se concluye que entre los parámetros considerados para valorar el proceso de transferencia de carga eléctrica la mediana de la conductividad de los picos d[r] ... See full document

... De esta manera se ha validado la metodología de análisis térmico enriquecida, que implementa el modelo de doble elipsoide de Goldak en un sistema de coordenadas cartesiano, y[r] ... See full document

... Since the introduction of processes that might be subjected to electronic/electromechanical control (we highlight Arc Welding, from the 1880s; Resistance Welding, 1890s; Friction Weldi[r] ... See full document

... In the world, few institutions have explored this technique [4-10] . The Physical Metallurgy Laboratory (LAMEF) from the Federal University of Rio Grande do Sul (UFRGS) started in 2007 studies in friction welding and has ... See full document

... Increasing GTAW performance or weld deposition rate is regularly joined by increasing weld current, rising arc force or arc pressure, respectively [15,16] . The latter again is susceptible to cause weld defects, such as ... See full document

... As from an addition of 0,6 l/min 1% of silane in 99% argon, the seam geometry is converging, a further increase does not bring about improvement of the wetting behaviour.. It was, thus[r] ... See full document

... The results show that cylindrical fiberglass and ceramic fiber backings not only have excellent refractory properties, but also seal the root opening and contain the weld pool sufficie[r] ... See full document