Strength and failure mechanisms in 3D printed parts

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Bossuyt, Sven Adhikari, Bishwonath 2016-12-08T13:36:44Z 2016-12-08T13:36:44Z 2016-11-21
dc.description.abstract Additive Manufacturing, more commonly known as 3D printing is the way of quickly manufacturing the product, adding layer by layer, hence also known as rapid prototyping. Due to production time being very quick, it was mostly used for prototyping in the beginning. As, a result of more research and experiments, application area are increasing, and the process itself is being considered with high hopes for the future to replace some other complicated and traditional ways of production. The major issue in the application of such product is the mechanical properties of the product that are dependent on too many building parameters. It is crucial to research on those parameters and the way those parameters affects individually to the strength properties of the end product. Also, the quantitative effect of the parameter on the end product is less known to say it clearly which parameters should be focused during production. Normally, strength properties of the parent material are lower in the end product and are too sensitive that the slight change in parameters, changes it significantly. Although the application areas of the 3D printed parts are rising, the research focused on prediction of the failure strength of such parts are not being carried out much. In these scenarios, use of such parts in the safety critical areas can be dangerous. This research paper focuses on finding out if it is practical to use the already existing lamina theories in the strength prediction of the 3D printed parts as the strength of the 3D printed parts is also hugely affected by the layer orientation while 3D printing. Furthermore, wide varieties of test specimens used in mechanically loaded conditions are tested under loading conditions. The failure occurred during the experiment is later on analyzed using digital image correlation method and fracture surface analysis techniques. en
dc.format.extent 80
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.title Strength and failure mechanisms in 3D printed parts en
dc.type G2 Pro gradu, diplomityö fi Insinööritieteiden korkeakoulu fi
dc.subject.keyword 3D printing en
dc.subject.keyword rapid prototyping en
dc.subject.keyword strength modeling en
dc.subject.keyword failure mechanism en
dc.subject.keyword DIC en
dc.subject.keyword fracture surface en
dc.identifier.urn URN:NBN:fi:aalto-201612085871
dc.programme.major K420-3 fi
dc.programme.mcode K420-3 fi
dc.type.ontasot Master's thesis en
dc.type.ontasot Diplomityö fi
dc.contributor.supervisor Bossuyt, Sven
dc.programme Konetekniikan koulutusohjelma fi

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