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Open AccessArticle

Design and Manufacturing of a Nd-Doped Phosphate Glass-Based Jewel

Department of Applied Science and Technology (DISAT), Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), Via G. Giusti 9, 50121 Firenze, Italy
BMC Gioielli, Circonvallazione Ovest Zona CO.IN.OR Lotto 3A, 15048 Valenza (AL), Italy
Department of Engineering and Architecture, Università di Parma, Parco Area delle Scienze 181/A, 43124 Parma, Italy
Author to whom correspondence should be addressed.
Materials 2020, 13(10), 2321;
Received: 25 April 2020 / Revised: 6 May 2020 / Accepted: 15 May 2020 / Published: 18 May 2020
(This article belongs to the Section Manufacturing Processes and Systems)
This paper reports the results of the designing, manufacturing and characterization of a jewel obtained by means of coupling the dogmas of industrial design to the analytical engineering approach. The key role in the design of the jewel was played by an in-house synthesized Neodymium (Nd)-doped phosphate glass, selected due to its easy handling and capability to change color according to the incident light wavelength. The glass core was covered by a metal alloy to mitigate its relatively high fragility and sensitivity to thermal shock and, at the same time, to highlight and preserve its beauty. The selection of the proper metal alloy, having thermo-mechanical properties compatible with those exhibited by the glass, was carried out by means of Ashby’s maps, a powerful tool commonly adopted in the field of industrial design. View Full-Text
Keywords: jewelry design and manufacturing; phosphate glass; Neodymium; Ashby’s map jewelry design and manufacturing; phosphate glass; Neodymium; Ashby’s map
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Pugliese, D.; Gobber, F.S.; Forno, I.; Milanese, D.; Actis Grande, M. Design and Manufacturing of a Nd-Doped Phosphate Glass-Based Jewel. Materials 2020, 13, 2321.

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