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Metallography, Microstructure, and Analysis

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30-09-2019 | Technical Article

Silver Electroless Finishing of Selective Laser Melting 3D-Printed AlSi10Mg Artifacts

Authors: N. Dresler, A. Inberg, D. Ashkenazi, Y. Shacham-Diamand, A. Stern

Published in: Metallography, Microstructure, and Analysis | Issue 5/2019

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Abstract

Additive manufactured selective laser melting (AM-SLM) parts often need post-printing coatings. The current research presents a method for surface finishing of AM-SLM AlSi10Mg parts coated by electroless silver plating. Such coating can be applied as a decorative film on printed replicas of antique artifacts. For this purpose, silver was deposited for the first time on AlSi10Mg printed disk-shaped specimens and coins, making their appearance close to the original artifact. The silver was plated with and without adhesion-promoting silane self-assembled monolayers. Dimensions and mass measurements, pilling test, light microscopy, optical profilometer, SEM–EDS examination, XRD analysis, and FIB-SEM technique were applied to characterize the coated samples. The results displayed good silver quality with a satisfactory appearance. The roughness of the plated samples was slightly reduced as the thickness of the silver layer was increased. The developed coating can be adapted for different applications, including printed replicas of coins in museum exhibitions.

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Title: Silver Electroless Finishing of Selective Laser Melting 3D-Printed AlSi10Mg Artifacts
Authors: N. Dresler
A. Inberg
D. Ashkenazi
Y. Shacham-Diamand
A. Stern
Publication date: 30-09-2019
Publisher: Springer US
Published in: Metallography, Microstructure, and Analysis / Issue 5/2019
Print ISSN: 2192-9262
Electronic ISSN: 2192-9270
DOI: https://doi.org/10.1007/s13632-019-00576-7

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