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Mechanical Properties of Interfaces in 3D Printed Single- and Multi-Material Parts

Project Description

Additive Manufacturing techniques can be seen as an important change in the manufacturing methodology as the final form is achieved through a bottom-up approach, via the addition of material in a layer-by-layer fashion. As Additive Manufacturing is gaining more and more attention, the importance of understanding the correlation between material properties and the manufacturing parameters is a priority.
The aim of this research project is to evaluate the mechanical properties of additive manufactured (AM) structures focussing at the strength of interfaces between the layers and within the layer. The mechanical characterisation will be performed using the conventional testing protocols used for composite to develop an analytical and numerical framework that can predict the stiffness and strength for different combination of the deposition parameters.
Experimental tests will be conducted to support the implementation of the numerical model in a commercial software. The work will involve Finite Element Analysis as well as meshless methods to predict the thermal profile and the residual stress induced by the deposition process. Extensive experimentation will be performed to validate the model. The experimental and numerical results will be also used to develop an analytical formulation with which the mechanical behaviour of additive manufactured parts will be described as fibre composite.
The first part of the project will also involve the manufacturing of a low-cost 3D printer.
The work will be performed with other Universities in the UK and in the US.

Funding Notes

No funding is available for this project

How good is research at Kingston University in General Engineering?

FTE Category A staff submitted: 14.00

Research output data provided by the Research Excellence Framework (REF)

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