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Intra- and inter-repeatability of profile deviations of an AlSi10Mg tooling component manufactured by laser powder bed fusion

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Zongo, Floriane, Tahan, Antoine, Aidibe, Ali et Brailovski, Vladimir. 2018. « Intra- and inter-repeatability of profile deviations of an AlSi10Mg tooling component manufactured by laser powder bed fusion ». Journal of Manufacturing and Materials Processing, vol. 2, nº 3.

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Abstract

Laser powder bed fusion (LPBF) is one of the most potent additive manufacturing (AM) processes. Metallic LPBF is gaining popularity, but one of the obstacles facing its larger industrial use is the limited knowledge of its dimensional and geometrical performances. This paper presents a metrological investigation of the geometrical and dimensional deviations of a selected LPBF-manufactured component, according to the ASME Y14.5-2009 standard. This approach allows for an estimation of both the process capability, as per ISO 22514-4 standard, and the correlations between the part location in the manufacturing chamber and the profile deviations. Forty-nine parts, which are representative of a typical aerospace tooling component (30 mm in diameter and 27.2 mm in height) were manufactured from AlSi10Mg powder using an EOSINT M280 printer and subjected to a stress relief annealing at 300 °C for two hours. This manufacturing procedure was repeated three times. A complete statistical analysis was carried out and the results of the investigation show that LPBF performances for all geometrical variations of 147 identical parts fall within a range of 230 µm at a 99.73% level.

Item Type: Peer reviewed article published in a journal
Professor:
Professor
Tahan, Antoine
Brailovski, Vladimir
Affiliation: Génie mécanique, Génie mécanique
Date Deposited: 21 Jan 2019 21:32
Last Modified: 20 Feb 2020 19:56
URI: https://espace2.etsmtl.ca/id/eprint/17827

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