Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Cameron Knapp"'
Publikováno v:
Rapid Prototyping Journal. 25:998-1006
Purpose Directed energy deposition (DED) with laser powder-feed is an additive manufacturing process that is used to produce metallic components by simultaneously providing a supply of energy from a laser and mass from a powder aerosol. The breadth o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cc362e1fdad8500def67db1448f0d73
https://doi.org/10.1108/rpj-08-2018-0221
https://doi.org/10.1108/rpj-08-2018-0221
Autor:
George T. Gray, Veronica Livescu, R. M. Martinez, Bineh G. Ndefru, Cameron Knapp, Benjamin M. Morrow
Publikováno v:
Materialia. 1:15-24
Additively manufacturing tantalum is a challenging process in which obstacles are stemming from the high melting temperature and susceptibility to oxidation of tantalum. Several combinations of deposition parameters were considered in an effort to ob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28cfc97464aa694694a5e10740b637e9
https://doi.org/10.1016/j.mtla.2018.06.007
https://doi.org/10.1016/j.mtla.2018.06.007
Publikováno v:
JOM. 70:1835-1843
A two-color pyrometer is aligned co-axially to the laser inside a Laser Engineered Net Shaping machine to gather thermal data during a single layer two-pass deposit. Several molten pool metrics are calculated from the pyrometer data, and anomalies in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46950ffd953331651b571b616176c871
https://doi.org/10.1007/s11837-018-3033-7
https://doi.org/10.1007/s11837-018-3033-7
Autor:
Thomas J. Lienert, Jacob O Sutton, Michael J. Brand, Robin Pacheco, Veronica Livescu, Cameron Knapp, George T. Gray, Benjamin M. Morrow, John S. Carpenter
Publikováno v:
Metallurgical and Materials Transactions A. 49:3637-3650
Recent work in both 304L and 316L stainless steel produced by additive manufacturing (AM) has shown that in addition to the unique, characteristic microstructures formed during the process, a fine dispersion of sub-micron particles, with a chemistry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0c4cffc9de6c4c459b815d3020ff41c
https://doi.org/10.1007/s11661-018-4661-9
https://doi.org/10.1007/s11661-018-4661-9
Autor:
Cameron Knapp, Tom Stockman, Caleb Horan, Brian M. Patterson, Judith Schneider, John S. Carpenter, Kevin Henderson
Publikováno v:
The Minerals, Metals & Materials Series ISBN: 9783030058609
In order for metallic additive manufacturing (AM) to find application in industrial production environments, methods for quality control need to be developed. Presently, even precisely calibrated process parameters cannot prevent the stochastic occur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a9b5f29281c1cfbd93746404c287c37
https://doi.org/10.1007/978-3-030-05861-6_18
https://doi.org/10.1007/978-3-030-05861-6_18
Autor:
Cameron Knapp, Di Chen, Veronica Livescu, George T. Gray, S.A. Maloy, Y.Q. Wang, B.P. Eftink, James A. Valdez, Nathan A. Mara, Jordan S. Weaver
Publikováno v:
Journal of Nuclear Materials. 531:152007
Irradiations were performed with 1.5 MeV protons to 0.6 dpa at 40–150 °C on additively manufactured (AM) 304L stainless steel and the changes in microstructure and mechanical behavior after irradiation were compared to wrought 304L stainless steel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa84d4095ac30c2dd2d36ae7dde1e881
https://doi.org/10.1016/j.jnucmat.2020.152007
https://doi.org/10.1016/j.jnucmat.2020.152007
Publikováno v:
Mechanics of Additive and Advanced Manufacturing, Volume 8 ISBN: 9783319950822
The certification and qualification paradigms required for additively manufactured (AM) metals and alloys must evolve given the absence of any broadly accepted “ASTM- or DIN-type” AM certification/qualification processes or fixed AM-material prod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab7cf7e4f1b49c645a4e9575cb42f164
https://doi.org/10.1007/978-3-319-95083-9_1
https://doi.org/10.1007/978-3-319-95083-9_1
Publikováno v:
The Minerals, Metals & Materials Series ISBN: 9783319725253
This study utilizes in situ thermal imaging to monitor the melt pool during a LENS additive manufacturing (AM) process. A software tool is created which gathers metrics for each frame and summarizes them over every build. Plotted metrics allow a user
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::162db3db679f4173f5a2bef630ee89fb
https://doi.org/10.1007/978-3-319-72526-0_10
https://doi.org/10.1007/978-3-319-72526-0_10
Autor:
S. J. Fensin, Daniel T. Martinez, Cameron Knapp, Veronica Livescu, David R. Jones, G. T. GrayIII, J. A. Valdez, Benjamin M. Morrow, Carl P. Trujillo
Publikováno v:
AIP Conference Proceedings.
Certification and product qualification of an engineering component generally involves meeting engineering and physics requirements tied to its functional requirements.. In this paper, the results of a study quantifying the microstructure and the dyn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb47fcf3e4936611fc67deb1c711b95a
https://doi.org/10.1063/1.5044799
https://doi.org/10.1063/1.5044799
Autor:
Cameron Knapp, Carl M. Cady, Roberta Ann Beal, George T. Gray, David R. Jones, Olivia F. Dippo, Daniel T. Martinez, Saryu Fensin, James A. Valdez, John S. Carpenter, Thomas J. Lienert, Carl P. Trujillo, S.R. Chen, Benjamin M. Morrow, Paulo Rigg, Veronica Livescu
For additive manufacturing (AM) of metallic materials, the certification and qualification paradigm needs to evolve as there currently exists no broadly accepted “ASTM- or DIN-type” additive manufacturing certified process or AM-material produced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5121e81b5eb4e5e9e806b69290519ef0
https://doi.org/10.2172/1329535
https://doi.org/10.2172/1329535