Influencia de los parámetros de la soldadura metálica fría en las aleaciones AA5083 y AA6061//Influence of the colt metal welding parameters on the AA5083 and AA6061 aluminum
Abstract
El trabajo tuvo como objetivo evaluar la influencia de la velocidad de la soldadura y de las correcciones del arco y pulso en el proceso de Transferencia Metálica Fría sobre las propiedades mecánicas de las aleaciones AA5083 y AA6061. Se desarrolló un diseño experimental de tipo factorial multinivel, con 4 factores independientes (Corrección de Arco, Pulso, Velocidad de Soldadura y Aleación). Los parámetros fundamentales fueron: Corriente de base 250 A; Voltaje de arco 21 V y Polaridad (Direct current electrode positive, DCEP). La evaluación se realizó a través de un ensayo de tracción transversal sobre probetas planas obtenidas de los cupones soldados. Se demuestra que el modelo aplicado es adecuado, revelándose en los experimentos diferencias sustanciales en las propiedades Tensión de fluencia 29,56 %, Módulo de elasticidad 51,16 % y Trabajo específico de deformación elástica 42,30 %, el cual no posee una dependencia lineal con elresto de las propiedades anteriores.
Palabras claves: transferencia metálica fría, aleación AA5083, aleación AA6061, propiedades mecánicas.
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Abstract
The work objective was to evaluatethe influence of Cold Metal Transfer process arc and pulse corrections and welding speed on the mechanical properties of AA5083 and AA6061 aluminum alloys. For it, a Factorial Multilevel experimental design whit 4 independent factor (arc correction, pulse correction, welding speed and alloy) was developed. The essential welding parameters employed were: base current 250 A; arc voltage 21 V and polarity (DCEP). The evaluation was made whit a transverse traction test of plate welded coupons. The experimental model applied was
adequate and substantial differences was showed between yield tensile strength 29,56 %, elasticity module (51,16 %) and specific work of elastic deformation 42,30 %, which it does not possess a lineal dependence whit the rest of previous properties.
Key words: cold metal transfer; alloy AA5083, alloy AA6061, mechanical properties.
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de‐Luna‐Alanís RE, Gómez-Pérez CR. Influencia de los parámetros de la soldadura metálica fría en las aleaciones AA5083 y AA6061//Influence of the colt metal welding parameters on the AA5083 and AA6061 aluminum. Ing. Mec. [Internet]. 2015 Jan. 1 [cited 2025 Sep. 13];18(1):42-51. Available from: https://ingenieriamecanica.cujae.edu.cu/index.php/revistaim/article/view/507
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