Researchers at NASA’s Langley Research Center (LaRC) initiated development of electron beam freeform fabrication (EBF3) to address challenges in applying metal additive manufacturing to large-scale aircraft structures and launch vehicles. EBF3 uses an electron beam and wire feedstock to directly deposit onto a substrate. For larger-scale components, high deposition rates and the use of additive manufacturing to augment other manufacturing processes are key to achieving affordable manufacturing rates. The challenges of developing EBF3 are highlighted in several case studies: Inconel® 718 and Ti-6Al-4V simplified exhaust nozzles, an Inconel® 625 structural jacket deposited directly onto a GRCOP-84 rocket nozzle liner, and 2219 Al stiffeners on aluminum skin for aircraft and launch vehicle structures.


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    Title :

    Challenges in Metal Additive Manufacturing for Large-Scale Aerospace Applications


    Additional title:

    Women in Engineering and Science


    Contributors:


    Publication date :

    2020-05-21


    Size :

    20 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English





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