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Materials (Basel). 2018 Jul 24;11(8). pii: E1264. doi: 10.3390/ma11081264.

Evaluation of the Functional Performance in Turned Workpieces: Methodology and Application to UNS A92024-T3.

Author information

1
Department of Mechanical Engineering and Industrial Design, Faculty of Engineering, University of Cadiz, Avenida de la Universidad de Cadiz, 10, Puerto Real, E-11519 Cadiz, Spain. alvaro.gomez@uca.es.
2
Department of Aerospace Materials and Manufacturing, Polytechnic University of Madrid, Plaza del Cardenal Cisneros, 3, E-28040 Madrid, Spain. asl@aero.upm.es.
3
Department of Mechanical Engineering and Industrial Design, Faculty of Engineering, University of Cadiz, Avenida de la Universidad de Cadiz, 10, Puerto Real, E-11519 Cadiz, Spain. antoniojuan.gamez@uca.es.

Abstract

Turning of light alloys as aluminum-based UNS A92024-T3 is broadly implemented in the manufacture of critical aircraft parts, so ensuring a good functional performance of these pieces is essential. Moreover, operational conditions of these pieces include saline environments where corrosion processes are present. In this paper, a methodology for the evaluation of the functional performance in turned pieces is proposed. Specimens affected and not affected by corrosion are compared. In addition, performance in service through tensile stress tests of these parts is considered. The results show that turning improves the functional performance of UNS A92024-T3 alloy and that corrosion can enhance the mechanical properties of this alloy.

KEYWORDS:

Ra; UNS A92024-T3; corrosion; functional performance; residual stress; surface integrity; turning; ultimate tensile strength

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