[PDF] Top 20 Soldag. insp. vol.16 número2

... Vivendo-se na era das tecnologias de comunicação, num mercado cada vez mais exigente, que solicita soluções novas, mais eicientes e mais econômicas, é de senso comum procurar tirar part[r] ... See full document

... A partir de u n anális is termodinámico s e determina la pos ible cantidad oxígeno en el metal depos itado, con lo cu al s e.. es tima las pos ibles propiedades f ís ico- mecánicas [r] ... See full document

... La ZSC fue la que presentó una menor dureza consistentemente con una estructura ferrítica con carburos, sin presencia de martensita, con una tamaño de grano levemente mayor al del material base original. Esto está ... See full document

... However, the industry procedures previously used for welding this high strength Q&T steel employed ferritic consumable in combination with 80°C that resulted in HAZ hardness level[r] ... See full document

... Senti que seria uma boa oportunidade para falar um pouco do que tenho observado na área de soldagem nos últimos anos e lembrar um pouco do histórico da nossa revista Soldagem & Ins[r] ... See full document

... - Correlation with the cast sample of IN 625 alloy revealed that the impact of characteristics of the steel substrates on coatings can be described as three fold: it alters the compo[r] ... See full document

... Pires et al.[1] concluded that the fume formation rate was low for short circuit transfer mode and increased for globular and spray transfer modes. This was intrinsically related to the acting forces on the arc, which ... See full document

... Uma pesquisa rápida mostrou que são muito poucas as revistas de soldagem que têm fator de impacto JCR, podendo-se citar Science and Technology of Welding and Joining (do Institute of[r] ... See full document

... Como resultado del trabajo se observó un aumento considerable de tamaño de grano en la ZAC adyacente a la línea de fusión para todas las condiciones, siendo este efecto más marcado cua[r] ... See full document

... The angle between the outer edge of the metal drop and the inner edge of the coating crater showed that the polymer increased the intensity of the plasma jet, and the pinch effect obse[r] ... See full document

... The dilution displaced the chemical composition of coatings and altered the hypereutectic comprised of primary Laves phase and eutectic lamellar (Co SS + Laves phase) microstructure rep[r] ... See full document

... Taguchi experimental design is a method that allows to evaluate how different parameters affect the deposition process and their properties. The design proposed by Taguchi involves the use of orthogonal array, with ... See full document

... En general se ha observado que una misma punta requiere un menor tiempo (y por lo tanto un menor consumo de energía) para alcanzar la temperatura de fusión del hilo de soldadura por med[r] ... See full document

... (COMIMSA), en sus 40 años de servicio a México, logra reunir a los más prestigiados actores de la ciencia y la tecnología en Soldadura, Ingeniería Industrial y Manufactura en el marco [r] ... See full document

... 1) La variación del análisis cuantitativo de las micro durezas está relacionada con la heterogeneidad de la microestructura. Mientras que el porcentaje de la porosidad incrementa en fun[r] ... See full document

... Before, the repaired specimens were prepared for in situ metallography; the welding reinforcement was removed by grinding. The external surfaces of the HAZ in welded joints were prepared for in situ metallography. In ... See full document

... Among the published works, Lomholt et al. [15] investigated the weldability of a TRIP steel joined by FSW. In their work, they included electron backscattering diffraction (EBSD) besides the conventionally used ... See full document

... The values obtained of the FEM analysis shows the saturation percentage of phase present, predicted by the numerical model at the welding zone, it can be seen that three phases were fo[r] ... See full document

... Even though certain regularity among the joint zones was found for σ-phase precipitation, the trends were different if the other intermetallic – the χ-phase – is considered (Figure 6). This secondary phase was mainly ... See full document

... En la Figura 7 se presentan las curvas de polarización cíclica para el metal base y soldaduras del acero API 5L X70 expuestos a diferentes medios corrosivos, las mediciones muestran que[r] ... See full document