Most forms of additive manufacturing utilize exotic powdered materials such as titanium, or expensive engineered steels to grow parts. Low cost printing extrusion processes such as fused-filament fabrication (FFF) are not currently used for aluminum AA6061. Our research focuses on preventing loss of material strength of AA6061-T6 by heating to the semi-solid phase using induction heating and extruding the wire filament from a nozzle. This paper tests the feasibility of using an induction heated semi-solid slurry to construct parts that maintain the globular structure of the original base material with minimal degradation of physical properties. Promising applications of this method include low-gravity applications where powdered metal contamination is prohibitive, or for rapid prototyping complex, previously unmachinable aluminum parts with low cost base material and technique.
|Commitee:||Beyer, Christiane, Dodds, Robert Kelly, Whisler, Daniel|
|School:||California State University, Long Beach|
|School Location:||United States -- California|
|Source:||MAI 55/05M(E), Masters Abstracts International|
|Subjects:||Industrial engineering, Mechanical engineering|
|Keywords:||AA6061-T6, Additive manufacturing, Aluminum, Induction heating, Semi-solid, Three-dimensional printing|
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