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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Using Powder Cored Tubular Wire Technology to Enhance Electron Beam Freeform Fabricated Structures
verfasst von : Devon Gonzales, Stephen Liu, Marcia Domack, Robert Hafley
Erschienen in: TMS 2016 145th Annual Meeting & Exhibition
Verlag: Springer International Publishing
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Electron Beam Freeform Fabrication (EBF3) is an additive manufacturing technique, developed at NASA Langley Research Center, capable of fabricating large scale aerospace parts. Advantages of using EBF3 as opposed to conventional manufacturing methods include, decreased design-to-product time, decreased wasted material, and the ability to adapt controls to produce geometrically complex parts with properties comparable to wrought products. However, to fully exploit the potential of the EBF3 process development of materials tailored for the process is required. Powder cored tubular wire (PCTW) technology was used to modify Ti-6Al-4V and Al 6061 feedstock to enhance alloy content, refine grain size, and create a metal matrix composite in the as-solidified structures, respectively.