Zobrazeno 1 - 7
of 7
pro vyhledávání: '"John Addiss"'
Autor:
K. Promratana, Adam Collins, David Williamson, John Addiss, William G. Proud, Florin Bobaru, Stephen M. Walley
Publikováno v:
International Journal of Impact Engineering. 38:951-963
This paper discusses the technique of Digital Speckle Radiography (DSR) and its application to the measurement of the internal flow fields in penetration of sand by long-rod projectiles at velocities up to 200 m/s. Three different rod nose shapes wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31ddb90dda9c7b6af221dd13824fe334
https://doi.org/10.1016/j.ijimpeng.2011.08.002
https://doi.org/10.1016/j.ijimpeng.2011.08.002
We have used digital speckle radiography, the X-ray version of digital image correlation (DIC), to quantify the internal flow fields in dry sand ballistically impacted by rods of different nose shapes. We found that a standard DIC algorithm gave nons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::102aca879661a4aeacdf90802f20999e
https://doi.org/10.1016/b978-0-12-800868-3.00007-9
https://doi.org/10.1016/b978-0-12-800868-3.00007-9
The experiments proposed in this research project will use a combination of impact testing and advanced image analysis. Targets will be made of MK4 Grout, in order to reproduce the response of geological materials. These will be impacted by projectil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06dc017376ceb101d6772f71362e21c7
https://doi.org/10.21236/ada524395
https://doi.org/10.21236/ada524395
Publikováno v:
DYMAT 2009 - 9th International Conferences on the Mechanical and Physical Behaviour of Materials under Dynamic Loading.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55096dbdede90c6ccc8ffe5fc111615b
https://doi.org/10.1051/dymat/2009008
https://doi.org/10.1051/dymat/2009008
Autor:
Adam Collins, John Addiss, William Proud, Mark Elert, Michael D. Furnish, William W. Anderson, William G. Proud, William T. Butler
Publikováno v:
AIP Conference Proceedings.
Flat, hemispherical and ogive-2 nosed mild steel projectiles (10 mm diameter, 100 mm length) were fired at 200 m s{sup -1} into the end face of cylindrically confined dry sand (100 mm diameter, 150 mm length). Projectiles were tracked through the san
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09445d876991a11a867782c7284a0d2f
https://doi.org/10.1063/1.3295083
https://doi.org/10.1063/1.3295083
Autor:
David J. Benson, John Addiss, Jing Cai, Fengchun Jiang, Vitali F. Nesterenko, Kenneth S. Vecchio, William G. Proud, Stephen M. Walley, Eric B. Herbold
Publikováno v:
Journal of Applied Physics. 104:103903
The variation of metallic particle size and sample porosity significantly alters the dynamic mechanical properties of high density granular composites processed using a cold isostatically pressed mixture of polytetrafluoroethylene (PTFE), aluminum (A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea7f37be03d9d490100c0eed0ff2c3f5
https://doi.org/10.1063/1.3000631
https://doi.org/10.1063/1.3000631
Autor:
William G. Proud, Fengchun Jiang, John Addiss, David J. Benson, Vitali F. Nesterenko, Eric B. Herbold, Stephen M. Walley, Jing Cai, Kenneth S. Vecchio
Publikováno v:
Applied Physics Letters. 92:031903
The dynamic mechanical properties of reactive materials (e.g., high density mixtures of polytetraflouroethylene (PTFE), aluminum (Al) and tungsten (W) powders) can be tailored by changing the morphology of the particles and porosity. Cold isostatical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1fb4bd6e45ba57116015b3708818ae3f
https://doi.org/10.1063/1.2832672
https://doi.org/10.1063/1.2832672