Search Results - "Wehrenberg, C E"

In situ X-ray diffraction measurement of shock-wave-driven twinning and lattice dynamics by Wehrenberg, C. E., McGonegle, D., Bolme, C., Higginbotham, A., Lazicki, A., Lee, H. J., Nagler, B., Park, H.-S., Remington, B. A., Rudd, R. E., Sliwa, M., Suggit, M., Swift, D., Tavella, F., Zepeda-Ruiz, L., Wark, J. S.

“…In situ femtosecond X-ray diffraction measurements reveal that the dominant mechanism of shock-wave-driven deformation in tantalum changes from twinning to…”
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Metastability of diamond ramp-compressed to 2 terapascals by Lazicki, A., McGonegle, D., Rygg, J. R., Braun, D. G., Swift, D. C., Gorman, M. G., Smith, R. F., Heighway, P. G., Higginbotham, A., Suggit, M. J., Fratanduono, D. E., Coppari, F., Wehrenberg, C. E., Kraus, R. G., Erskine, D., Bernier, J. V., McNaney, J. M., Rudd, R. E., Collins, G. W., Eggert, J. H., Wark, J. S.

“…Carbon is the fourth-most prevalent element in the Universe and essential for all known life. In the elemental form it is found in multiple allotropes,…”
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Extreme Hardening of Pb at High Pressure and Strain Rate by Krygier, A, Powell, P D, McNaney, J M, Huntington, C M, Prisbrey, S T, Remington, B A, Rudd, R E, Swift, D C, Wehrenberg, C E, Arsenlis, A, Park, H-S, Graham, P, Gumbrell, E, Hill, M P, Comley, A J, Rothman, S D

“…We study the high-pressure strength of Pb and Pb-4wt%Sb at the National Ignition Facility. We measure Rayleigh-Taylor growth of preformed ripples ramp…”
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Grain-size-independent plastic flow at ultrahigh pressures and strain rates by Park, H-S, Rudd, R E, Cavallo, R M, Barton, N R, Arsenlis, A, Belof, J L, Blobaum, K J M, El-dasher, B S, Florando, J N, Huntington, C M, Maddox, B R, May, M J, Plechaty, C, Prisbrey, S T, Remington, B A, Wallace, R J, Wehrenberg, C E, Wilson, M J, Comley, A J, Giraldez, E, Nikroo, A, Farrell, M, Randall, G, Gray, 3rd, G T

“…A basic tenet of material science is that the flow stress of a metal increases as its grain size decreases, an effect described by the Hall-Petch relation…”
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Comley et al. reply by Comley, A J, Maddox, B R, Rudd, R E, Barton, N R, Wehrenberg, C E, Prisbrey, S T, Hawreliak, J A, Orlikowski, D A, Peterson, S C, Satcher, J H, Elsholz, A J, Park, H-S, Remington, B A, Bazin, N, Foster, J M, Graham, P, Park, N, Rosen, P A, Rothman, S D, Higginbotham, A, Suggit, M, Wark, J S

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Amorphization and nanocrystallization of silicon under shock compression by Zhao, S., Hahn, E.N., Kad, B., Remington, B.A., Wehrenberg, C.E., Bringa, E.M., Meyers, M.A.

“…High-power, short-duration, laser-driven, shock compression and recovery experiments on [001] silicon unveiled remarkable structural changes above a pressure…”
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Author Correction: Metastability of diamond ramp-compressed to 2 terapascals by Lazicki, A., McGonegle, D., Rygg, J. R., Braun, D. G., Swift, D. C., Gorman, M. G., Smith, R. F., Heighway, P. G., Higginbotham, A., Suggit, M. J., Fratanduono, D. E., Coppari, F., Wehrenberg, C. E., Kraus, R. G., Erskine, D., Bernier, J. V., McNaney, J. M., Rudd, R. E., Collins, G. W., Eggert, J. H., Wark, J. S.

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Lattice-level observation of the elastic-to-plastic relaxation process with subnanosecond resolution in shock-compressed Ta using time-resolved in situ Laue diffraction by Wehrenberg, C. E., Comley, A. J., Barton, N. R., Coppari, F., Fratanduono, D., Huntington, C. M., Maddox, B. R., Park, H.-S., Plechaty, C., Prisbrey, S. T., Remington, B. A., Rudd, R. E.

“…We report direct lattice level measurements of plastic relaxation kinetics through time-resolved, in-situ Laue diffraction of shock-compressed single-crystal…”
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Investigating off-Hugoniot states using multi-layer ring-up targets by McGonegle, D., Heighway, P. G., Sliwa, M., Bolme, C. A., Comley, A. J., Dresselhaus-Marais, L. E., Higginbotham, A., Poole, A. J., McBride, E. E., Nagler, B., Nam, I., Seaberg, M. H., Remington, B. A., Rudd, R. E., Wehrenberg, C. E., Wark, J. S.

“…Laser compression has long been used as a method to study solids at high pressure. This is commonly achieved by sandwiching a sample between two diamond anvils…”
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Spall strength dependence on grain size and strain rate in tantalum by Remington, T.P., Hahn, E.N., Zhao, S., Flanagan, R., Mertens, J.C.E., Sabbaghianrad, S., Langdon, T.G., Wehrenberg, C.E., Maddox, B.R., Swift, D.C., Remington, B.A., Chawla, N., Meyers, M.A.

“…We examine the effect of grain size on the dynamic failure of tantalum during laser-shock compression and release and identify a significant effect of grain…”
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Shock-induced amorphization in silicon carbide by Zhao, S., Flanagan, R., Hahn, E.N., Kad, B., Remington, B.A., Wehrenberg, C.E., Cauble, R., More, K., Meyers, M.A.

“…While silicon carbide (SiC) has been predicted to undergo pressure-induced amorphization, the microstructural evidence of such a drastic phase change is absent…”
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Directional amorphization of covalently-bonded solids: A generalized deformation mechanism in extreme loading by Zhao, S., Li, B., Remington, B.A., Wehrenberg, C.E., Park, H.S., Hahn, E.N., Meyers, M.A.

“…[Display omitted] Shock compression subjects materials to a unique regime of high quasi-hydrostatic pressure and coupled shear stresses for durations on the…”
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Amorphization and nanocrystallization of silcon under shock compression by Zhao, S., Hahn, E. N., Kad, B., Remington, B. A., Wehrenberg, C. E., Bringa, E. M., Meyers, M. A.

“…In collaboration with LLNL and Caltech, experiments to test the strain rate and texture dependence of spall strength in tantalum were conducted at Janus in the…”
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Pressure and shear-induced amorphization of silicon by Zhao, S., Kad, B., Hahn, E.N., Remington, B.A., Wehrenberg, C.E., Huntington, C.M., Park, H.-S., Bringa, E.M., More, K.L., Meyers, M.A.

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Grain-Size-Independent Plastic Flow at Ultrahigh Pressures and Strain Rates by Park, H. -S., Rudd, R.  E., Cavallo, R.  M., Barton, N.  R., Arsenlis, A., Belof, J.  L., Blobaum, K.  J. M., El-dasher, B.  S., Florando, J.  N., Huntington, C.  M., Maddox, B.  R., May, M.  J., Plechaty, C., Prisbrey, S.  T., Remington, B.  A., Wallace, R.  J., Wehrenberg, C.  E., Wilson, M.  J., Comley, A.  J., Giraldez, E., Nikroo, A., Farrell, M., Randall, G., Gray, III, G.  T.

“…A basic tenet of material science is that the flow stress of a metal increases as its grain size decreases, an effect described by the Hall-Petch relation…”
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Crystal plasticity finite element simulation of lattice rotation and x-ray diffraction during laser shock-compression of Tantalum by Avraam, P, McGonegle, D, Heighway, P. G, Wehrenberg, C. E, Floyd, E, Comley, A, Foster, J. M, Turner, J, Case, S, Wark, J. S

“…Wehrenberg et. al. [Nature 550 496 (2017)] used ultrafast in situ x-ray diffraction at the LCLS x-ray free-electron laser facility to measure large lattice…”
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