The Characterization of a Biodegradable Mg Alloy after Powder Bed Fusion with Laser Beam/Metal Processing for Custom Shaped Implants

A new Mg-Zn-Zr-Ca alloy in a powder state, intended to be used for custom shaped implants, was obtained via a mechanical alloying method from pure elemental powder. Further, the obtained powder alloy was processed by a PBF-LB/M (powder bed fusion with laser beam/of metal) procedure to obtain additiv...

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Main Authors: Doina Raducanu, Vasile Danut Cojocaru, Anna Nocivin, Silviu Iulian Drob, Radu Emil Hendea, Doina Stanciu, Steliana Ivanescu, Vlad Andrei Raducanu, Nicolae Serban, Elisabeta Mirela Cojocaru, Radu Septimiu Campian
Format: Article
Language:English
Published: MDPI AG 2024-04-01
Series:Materials
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Online Access:https://www.mdpi.com/1996-1944/17/7/1682
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author Doina Raducanu
Vasile Danut Cojocaru
Anna Nocivin
Silviu Iulian Drob
Radu Emil Hendea
Doina Stanciu
Steliana Ivanescu
Vlad Andrei Raducanu
Nicolae Serban
Elisabeta Mirela Cojocaru
Radu Septimiu Campian
author_facet Doina Raducanu
Vasile Danut Cojocaru
Anna Nocivin
Silviu Iulian Drob
Radu Emil Hendea
Doina Stanciu
Steliana Ivanescu
Vlad Andrei Raducanu
Nicolae Serban
Elisabeta Mirela Cojocaru
Radu Septimiu Campian
author_sort Doina Raducanu
collection DOAJ
description A new Mg-Zn-Zr-Ca alloy in a powder state, intended to be used for custom shaped implants, was obtained via a mechanical alloying method from pure elemental powder. Further, the obtained powder alloy was processed by a PBF-LB/M (powder bed fusion with laser beam/of metal) procedure to obtain additive manufactured samples for small biodegradable implants. A series of microstructural, mechanical and corrosion analyses were performed. The SEM (scanning electron microscopy) analysis of the powder alloy revealed a good dimensional homogeneity, with a uniform colour, no agglutination and almost rounded particles, suitable for the powder bed fusion procedure. Further, the PBF-LB/M samples revealed a robust and unbreakable morphology, with a suitable porosity (that can reproduce that of cortical bone) and without an undesirable balling effect. The tested Young’s modulus of the PBF-LB/M samples, which was 42 GPa, is close to that of cortical bone, 30 GPa. The corrosion tests that were performed in PBS (Phosphate-buffered saline) solution, with three different pH values, show that the corrosion parameters have a satisfactory evolution comparative to the commercial ZK 60 alloy.
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spelling doaj.art-e41f18df245e4e0899b08cc982e4d9902024-04-12T13:22:19ZengMDPI AGMaterials1996-19442024-04-01177168210.3390/ma17071682The Characterization of a Biodegradable Mg Alloy after Powder Bed Fusion with Laser Beam/Metal Processing for Custom Shaped ImplantsDoina Raducanu0Vasile Danut Cojocaru1Anna Nocivin2Silviu Iulian Drob3Radu Emil Hendea4Doina Stanciu5Steliana Ivanescu6Vlad Andrei Raducanu7Nicolae Serban8Elisabeta Mirela Cojocaru9Radu Septimiu Campian10Department of Metallic Materials Processing and Ecometallurgy, University POLITEHNICA of Bucharest, 060042 Bucharest, RomaniaDepartment of Metallic Materials Processing and Ecometallurgy, University POLITEHNICA of Bucharest, 060042 Bucharest, RomaniaFaculty of Mechanical, Industrial and Maritime Engineering, OVIDIUS University of Constanta, 900527 Constanța, RomaniaInstitute of Physical Chemistry “Ilie Murgulescu”, Romanian Academy, Spl. Independentei 202, 060021 Bucharest, RomaniaDepartment of Oral Rehabilitation, Faculty of Dental Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, RomaniaZIRCON DENT SRL, 400690 Cluj-Napoca, RomaniaZIRCON DENT SRL, 400690 Cluj-Napoca, RomaniaFaculty of Decorative Arts and Design, National University of Arts, 010702 Bucharest, RomaniaDepartment of Metallic Materials Processing and Ecometallurgy, University POLITEHNICA of Bucharest, 060042 Bucharest, RomaniaDepartment of Metallic Materials Processing and Ecometallurgy, University POLITEHNICA of Bucharest, 060042 Bucharest, RomaniaDepartment of Oral Rehabilitation, Faculty of Dental Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, RomaniaA new Mg-Zn-Zr-Ca alloy in a powder state, intended to be used for custom shaped implants, was obtained via a mechanical alloying method from pure elemental powder. Further, the obtained powder alloy was processed by a PBF-LB/M (powder bed fusion with laser beam/of metal) procedure to obtain additive manufactured samples for small biodegradable implants. A series of microstructural, mechanical and corrosion analyses were performed. The SEM (scanning electron microscopy) analysis of the powder alloy revealed a good dimensional homogeneity, with a uniform colour, no agglutination and almost rounded particles, suitable for the powder bed fusion procedure. Further, the PBF-LB/M samples revealed a robust and unbreakable morphology, with a suitable porosity (that can reproduce that of cortical bone) and without an undesirable balling effect. The tested Young’s modulus of the PBF-LB/M samples, which was 42 GPa, is close to that of cortical bone, 30 GPa. The corrosion tests that were performed in PBS (Phosphate-buffered saline) solution, with three different pH values, show that the corrosion parameters have a satisfactory evolution comparative to the commercial ZK 60 alloy.https://www.mdpi.com/1996-1944/17/7/1682Mg alloysmechanical alloyinglaser powder bed fusion for metalsmechanical testingcorrosion resistance
spellingShingle Doina Raducanu
Vasile Danut Cojocaru
Anna Nocivin
Silviu Iulian Drob
Radu Emil Hendea
Doina Stanciu
Steliana Ivanescu
Vlad Andrei Raducanu
Nicolae Serban
Elisabeta Mirela Cojocaru
Radu Septimiu Campian
The Characterization of a Biodegradable Mg Alloy after Powder Bed Fusion with Laser Beam/Metal Processing for Custom Shaped Implants
Materials
Mg alloys
mechanical alloying
laser powder bed fusion for metals
mechanical testing
corrosion resistance
title The Characterization of a Biodegradable Mg Alloy after Powder Bed Fusion with Laser Beam/Metal Processing for Custom Shaped Implants
title_full The Characterization of a Biodegradable Mg Alloy after Powder Bed Fusion with Laser Beam/Metal Processing for Custom Shaped Implants
title_fullStr The Characterization of a Biodegradable Mg Alloy after Powder Bed Fusion with Laser Beam/Metal Processing for Custom Shaped Implants
title_full_unstemmed The Characterization of a Biodegradable Mg Alloy after Powder Bed Fusion with Laser Beam/Metal Processing for Custom Shaped Implants
title_short The Characterization of a Biodegradable Mg Alloy after Powder Bed Fusion with Laser Beam/Metal Processing for Custom Shaped Implants
title_sort characterization of a biodegradable mg alloy after powder bed fusion with laser beam metal processing for custom shaped implants
topic Mg alloys
mechanical alloying
laser powder bed fusion for metals
mechanical testing
corrosion resistance
url https://www.mdpi.com/1996-1944/17/7/1682
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