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Design and fabrication of a positioning guide for spine surgery using Selective Laser Melting (SLM)

4/11/2016

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​Selective laser melting (SLM) is used to manufacture a patient-specific stainless steel positioning guide for spinal screws. The screws are successfully inserted in the neck vertebrae of a 3-year old patient to strengthen unstable joints. This article highlights the challenges and describes the steps used to design, customise, build and post-process the component.


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Design and additive manufacturing of porous orthopaedic implants

1/7/2016

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Orthopaedic regenerative medicine requires the design of scaffolds and implants that replicate the biomechanical properties of bones. Porous implants, designed with bespoke mechanical performance using state-of-the-art of topology optimization and produced by additive manufacturing, are suitable candidates for repairing or replacing damaged bones. 

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Metallic microlattices and applications

20/5/2016

 
Lattice materials with dimensions close to micrometer scale are called microlattices. 

They can be produced from different materials [1] such as composites, polymers and metals.  

Here we focus solely on metallic microlattices and their manufacture, mechanical properties and possible applications.
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Visual guide to cellular structures in metal AM

13/5/2016

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Metallic cellular structures form a new class of material that combines useful mechanical properties of metals with smart geometrical orientations. They provide greater stiffness, strength-to-weight ratio and good energy absorption. This post is a visual introductory summary of the three main cellular structures and some of their characteristics.

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Assistive design tools for additive manufacturing

29/1/2016

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​Design theories and methodologies are specifically developed to suit AM technologies. This research area focuses on optimising the design process efficiency. For non-experts, the ideation process, as well as the display and analysis of the designs conceptualised, require specific digital assistive tools. This post aims to scope these and summarise their uses.

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