Zobrazeno 1 - 5
of 5
pro vyhledávání: '"John M. Hostetler"'
Publikováno v:
The Journal of the Astronautical Sciences. 68:1186-1205
The NASA Orbital Debris Program Office (ODPO) develops, maintains, and updates orbital debris environmental models, such as the NASA Orbital Debris Engineering Model (ORDEM), to support satellite designers and operators by estimating the risk from or
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49b7ae7dd58652f577216ebecc1c5b23
https://doi.org/10.1007/s40295-021-00278-9
https://doi.org/10.1007/s40295-021-00278-9
Autor:
John M. Hostetler, Bret Curtis, Edward C. Kinzel, Daniel Peters, Robert G. Landers, Douglas A. Bristow
Publikováno v:
Volume 1: Additive Manufacturing; Bio and Sustainable Manufacturing.
Transparent, bubble-free glass structures can be printed using a filament-fed, laser-heated additive manufacturing process. In this process, a stationary CO2 laser beam is focused at the intersection of the filament and workpiece to locally heat the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aca55c23e197407cb78eea10ec173c8a
https://doi.org/10.1115/msec2018-6677
https://doi.org/10.1115/msec2018-6677
Autor:
John M. Hostetler, Jonathan T. Goldstein, Robert G. Landers, Douglas A. Bristow, Edward C. Kinzel
Publikováno v:
Laser 3D Manufacturing V.
This paper describes the additive manufacturing (AM) of glass using a fiber-fed laser-heated process. Stripped SMF-28 optical fiber with a diameter of 125 μm is fed into a laser generated melt pool. A CO2 laser beam is focused onto the intersection
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2950793ca1ac74c6c48f44834fddc32
https://doi.org/10.1117/12.2291443
https://doi.org/10.1117/12.2291443
Autor:
John M. Hostetler, Junjie Luo, Douglas A. Bristow, Jonathan T. Goldstein, Edward C. Kinzel, Robert G. Landers
Publikováno v:
Volume 2: Heat Transfer Equipment; Heat Transfer in Multiphase Systems; Heat Transfer Under Extreme Conditions; Nanoscale Transport Phenomena; Theory and Fundamental Research in Heat Transfer; Thermophysical Properties; Transport Phenomena in Materials Processing and Manufacturing.
The temperature in the molten region is a critical parameter for Additive Manufacturing (AM) of transparent glass using a laser heated filament-fed processing. This paper presents a study of the heat transfer in single track printing of borosilicate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a33d144b8f103ec92c13f6f2f898d2a5
https://doi.org/10.1115/ht2017-5100
https://doi.org/10.1115/ht2017-5100
Autor:
Augustine Urbas, Douglas A. Bristow, John M. Hostetler, Luke J. Gilbert, Jonathan T. Goldstein, Edward C. Kinzel, Junjie Luo, Robert G. Landers
Publikováno v:
Optical Engineering. 57:1
This paper investigates a filament-fed process for additive manufacturing (AM) of fused quartz. Glasses such as fused quartz have significant scientific and engineering applications, which include optics, communications, electronics, and hermetic sea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a735e1d288891869d0aa51b9f1b98747
https://doi.org/10.1117/1.oe.57.4.041408
https://doi.org/10.1117/1.oe.57.4.041408