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Volume 7
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10.3390/met7050183
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Article

Laser Beam Welding of a Ti–6Al–4V Support Flange for Buy-to-Fly Reduction

by
Fabrizia Caiazzo
1,
Vittorio Alfieri
1,*,
Gaetano Corrado
1,
Paolo Argenio
1,
Giuseppe Barbieri
2,
Francesco Acerra
3 and
Vincenzo Innaro
3
1
Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II 132, Fisciano 84084, Italy
2
Department of Sustainability, ENEA Casaccia, Via Anguillarese 131, Santa Maria di Galeria 00123, Italy
3
Department of Aerostructure Technology and Development, Leonardo Company S.p.A., Viale dell’Aeronautica snc, Pomigliano d’Arco 80038, Italy
*
Author to whom correspondence should be addressed.
Metals 2017, 7(5), 183; https://doi.org/10.3390/met7050183
Submission received: 12 April 2017 / Revised: 5 May 2017 / Accepted: 16 May 2017 / Published: 20 May 2017
(This article belongs to the Special Issue Laser Welding)
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Abstract

Titanium and its alloys are increasingly being used in aerospace, although a number of issues must be addressed. Namely, in the framework of welding to produce complex parts, the same mechanical strength and a reduced buy-to-fly ratio are desired in comparison with the same components resulting from machining. To give grounds to actual application of autogenous laser beam welding, Ti–6Al–4V L- and T-joints have been investigated in this paper, as they are a common occurrence in general complex components. Discussions in terms of possible imperfections, microstructure, and microhardness have been conducted. Then, a real part consisting of a support flange for aerospace application has been chosen as a valuable test-article to be compared with its machined counterpart both in terms of strength and buy-to-fly. The feasibility and the effectiveness of the process are shown.
Keywords: laser beam welding; buy-to-fly; L-joint; T-joint; Ti–6Al–4V laser beam welding; buy-to-fly; L-joint; T-joint; Ti–6Al–4V
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MDPI and ACS Style

Caiazzo, F.; Alfieri, V.; Corrado, G.; Argenio, P.; Barbieri, G.; Acerra, F.; Innaro, V. Laser Beam Welding of a Ti–6Al–4V Support Flange for Buy-to-Fly Reduction. Metals 2017, 7, 183. https://doi.org/10.3390/met7050183

AMA Style

Caiazzo F, Alfieri V, Corrado G, Argenio P, Barbieri G, Acerra F, Innaro V. Laser Beam Welding of a Ti–6Al–4V Support Flange for Buy-to-Fly Reduction. Metals. 2017; 7(5):183. https://doi.org/10.3390/met7050183

Chicago/Turabian Style

Caiazzo, Fabrizia, Vittorio Alfieri, Gaetano Corrado, Paolo Argenio, Giuseppe Barbieri, Francesco Acerra, and Vincenzo Innaro. 2017. "Laser Beam Welding of a Ti–6Al–4V Support Flange for Buy-to-Fly Reduction" Metals 7, no. 5: 183. https://doi.org/10.3390/met7050183

APA Style

Caiazzo, F., Alfieri, V., Corrado, G., Argenio, P., Barbieri, G., Acerra, F., & Innaro, V. (2017). Laser Beam Welding of a Ti–6Al–4V Support Flange for Buy-to-Fly Reduction. Metals, 7(5), 183. https://doi.org/10.3390/met7050183

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