Effect of angular velocity and pressure in radial friction welding of AA 5754 aluminum alloy

Authors

  • Elís Efraín Guzmán-Romero Departamento de Mecánica, Instituto Superior Minero Metalúrgico
  • Tomás Hernaldo Fernández Columbié Departamento de Mecánica, Instituto Superior Minero Metalúrgico
  • Dayanis Alcántara-Borges Departamento de Mecánica, Instituto Superior Minero Metalúrgico
  • Isnel Rodríguez-González Departamento de Mecánica, Instituto Superior Minero Metalúrgico

Keywords:

welding, rotational friction, transformation of phases, micro-structure, precipitates, AA 5754 alloy.

Abstract

The objective of this investigation is to determine the relation between the transformations of phases occurring during the rotational friction welding of AA 5754 12-mm-diameter aluminum alloys. The process was carried out using a 16 K 20 lathe based on joint parameters ranging between 1 200 and 1 400 rev/min with a pressure of 0,9 and 1,9 MPa, respectively. It was determined that the friction temperature decreases as the number of revolutions increases as well as the metallurgical variation both in the thermo-mechanically affected area and in the thermally affected area. The hardness profiles show the increase by the plastic flow effect, metallurgical variations and the existence of precipitates.

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Author Biographies

Elís Efraín Guzmán-Romero, Departamento de Mecánica, Instituto Superior Minero Metalúrgico

Profesor asistente. Especialista en Diseño y Mecánica. Departamento de Mecánica.

Tomás Hernaldo Fernández Columbié, Departamento de Mecánica, Instituto Superior Minero Metalúrgico

Dr. C. en ciencias e ingeniería de materiales, procesos de manufactura, Profesor Titular del departamento de Ingeniería Mecánica

Dayanis Alcántara-Borges, Departamento de Mecánica, Instituto Superior Minero Metalúrgico

Ingeniera mecánica. Profesora Asistente. Departamento de Mecánica.

Isnel Rodríguez-González, Departamento de Mecánica, Instituto Superior Minero Metalúrgico

Doctor en Ciencias Técnicas. Profesor Titular. Departamento de Mecánica

References

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Published

2017-07-10

How to Cite

Guzmán-Romero, E. E., Fernández Columbié, T. H., Alcántara-Borges, D., & Rodríguez-González, I. (2017). Effect of angular velocity and pressure in radial friction welding of AA 5754 aluminum alloy. Minería & Geología, 33(3), 312–325. Retrieved from https://revista.ismm.edu.cu/index.php/revistamg/article/view/art5_No3_2017

Issue

Vol. 33 No. 3 (2017): Julio-Septiembre

Section

Metalurgia física
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