Selective laser melting of silica glass powders

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Insinööritieteiden korkeakoulu | Master's thesis
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Date

2018-12-10

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Major/Subject

Mcode

ENG25

Degree programme

Master's Programme in Mechanical Engineering (MEC)

Language

en

Pages

108+1

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Abstract

Additive manufacturing (AM) has recently amassed great media coverage thanks to its unique capabilities and its appeal towards practicality; contrary to popular belief, these technologies have been used or developed for decades and are continuously improving. Currently, they have managed to allow a new method for fast prototyping, and new practices for producing complex structures with relative ease. The variety of AM technologies currently available is large and employs different approaches to the process. Similarly, a multitude of materials are available for production which further broadens the reach of AM products. There is however, a lack of success in the field of glass AM as there have not been many significant developments in the field which would make this process as versatile as with other materials. Furthermore, the produced components with current glass AM methods do not fulfill the requirements that traditionally-manufactured glass components require, thus preventing these developments from getting past the experimental phase. This study attempts to give a better understanding of the causes for these limitations, as well as provide a solution to these recurring issues by testing theories which presumably could solve them. This process was systematically and qualitatively documented and a conclusion, as well as an own attempt to solve recurring problems, is detailed.

Description

Supervisor

Partanen, Jouni

Thesis advisor

Kretzschmar, Niklas

Keywords

additive manufacturing, 3D printing, selective laser melting, process parameter optimization

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https://urn.fi/URN:NBN:fi:aalto-201812146579

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[dipl] Insinööritieteiden korkeakoulu / ENG