elastic-plastic phenomena and propagation of strong shock waves under the action of femtosecond...
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ELASTIC-PLASTIC PHENOMENA AND PROPAGATION OF ELASTIC-PLASTIC PHENOMENA AND PROPAGATION OF STRONG SHOCK WAVESSTRONG SHOCK WAVES
UNDER THE ACTION OF FEMTOSECOND LASER PULSESUNDER THE ACTION OF FEMTOSECOND LASER PULSES
N.A.Inogamov, V.A. KhokhlovL.D.Landau ITP RAS, Chernogolovka, Russia
V.V.Zhakhovsky,JIHT RAS, Moscow, RussiaUniversity of South Florida, Tampa, Florida, USA
Elbrus 2010. Elbrus 2010. V. A. Khokhlov, N. A. Inogamov, S. I. Anisimov V. A. Khokhlov, N. A. Inogamov, S. I. Anisimov et. al.et. al.,, INVESTIGATION OF TWO-TEMPERATURE RELAXATION IN THIN FOIL ON A GLASS SUBSTRATE INITIATED BY THE ACTION OF ULTRASHORT LASER PULSE. Slide INVESTIGATION OF TWO-TEMPERATURE RELAXATION IN THIN FOIL ON A GLASS SUBSTRATE INITIATED BY THE ACTION OF ULTRASHORT LASER PULSE. Slide
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Elbrus 2010. Elbrus 2010. V. A. Khokhlov, N. A. Inogamov, S. I. Anisimov V. A. Khokhlov, N. A. Inogamov, S. I. Anisimov et. al.et. al.,, INVESTIGATION OF TWO-TEMPERATURE RELAXATION IN THIN FOIL ON A GLASS SUBSTRATE INITIATED BY THE ACTION OF ULTRASHORT LASER PULSE. Slide INVESTIGATION OF TWO-TEMPERATURE RELAXATION IN THIN FOIL ON A GLASS SUBSTRATE INITIATED BY THE ACTION OF ULTRASHORT LASER PULSE. Slide
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EOS: Khishchenko et al., http://teos.ficp.ac.ru/rusbank/
Comparison of elastic and plastic Hugoniot with experiment Comparison of elastic and plastic Hugoniot with experiment
[[M.B. Agranat, S.I. Anisimov, S.I. Ashitkov et.al, JETP Letters, 91 (2010) 471, M.B. Agranat, S.I. Anisimov, S.I. Ashitkov et.al, JETP Letters, 91 (2010) 471, S.I. Ashitkov, M.B. Agranat, G.I. Kanel’ et. al, JETP Letters, 92 (2010) 516 S.I. Ashitkov, M.B. Agranat, G.I. Kanel’ et. al, JETP Letters, 92 (2010) 516] ]
(crosses).(crosses).
0 0.4 0.8 1.2 1.6
up, km /s5
6
7
8
9D , km /s
C 1 1 1
H E L *
p lastic
e la stic
H E L
Elastic (Sel ) and plastic (Spl ) Hugoniot curves. Elastic (Sel ) and plastic (Spl ) Hugoniot curves. The corresponding to previous slide segment of MD Sel covers the pressure range The corresponding to previous slide segment of MD Sel covers the pressure range
7.4–33 GPa. Markers circles obtained by MD calculations.7.4–33 GPa. Markers circles obtained by MD calculations. The lower circle with P = 7.4 GPa corresponds to the lower circle on previous slide. The lower circle with P = 7.4 GPa corresponds to the lower circle on previous slide.
Plastic and elastic Hugoniot (Plastic and elastic Hugoniot (continuation of the plastic continuation of the plastic Hugoniot from HEL to HEL*) and Hugoniot from HEL to HEL*) and Rayleigh lineRayleigh liness
H E L *
P
V / V 00
1
H E L
O D
O D *
P ewP d o w n
P sta t
P u p
P P
V x
O D
H E L
Propagation from left to right of an elastic precursor and plastic front at influence of an Propagation from left to right of an elastic precursor and plastic front at influence of an laser pulse with conditions from work laser pulse with conditions from work
[[R. Evans, A.D. Badger, F. Fallies et. al., Phys. Rev. Lett., 77 (1996) 3359R. Evans, A.D. Badger, F. Fallies et. al., Phys. Rev. Lett., 77 (1996) 3359]. ]. MD - a continuous curve, 2T-hd - a shaped curve. The elastic zone with the thickness del = MD - a continuous curve, 2T-hd - a shaped curve. The elastic zone with the thickness del = 70 nm between an elastic shock wave (jump on the right) and plastic front (jump at the left) 70 nm between an elastic shock wave (jump on the right) and plastic front (jump at the left) is noted by a bilateral horizontal arrow. The boundary between Al film d film = 400 nm and is noted by a bilateral horizontal arrow. The boundary between Al film d film = 400 nm and
glass is shown by vertical line B.glass is shown by vertical line B.
Displacement of the boundary with the glass Δx at passage of compression wave Displacement of the boundary with the glass Δx at passage of compression wave
through the border.through the border.Experiment [Experiment [R. Evans, A.D. Badger, F. Fallies et. al., Phys. Rev. Lett., 77 (1996) 3359R. Evans, A.D. Badger, F. Fallies et. al., Phys. Rev. Lett., 77 (1996) 3359] and MD.] and MD.
Horizontal arrow indicates elastic precursor.Horizontal arrow indicates elastic precursor.
Plastic and elastic Hugoniot (Plastic and elastic Hugoniot (continuation of the plastic continuation of the plastic Hugoniot from HEL to HEL*) and Hugoniot from HEL to HEL*) and Rayleigh lineRayleigh liness
H E L *
P
V / V 00
1
H E L
O D
O D *
P ewP d o w n
P sta t
P u p
P P
V x
O D
H E L
The elastic-plastic response of aluminum films to The elastic-plastic response of aluminum films to ultrafast laser-generated shocksultrafast laser-generated shocks
V. H. Whitley, S. D. McGrane, D. E. Eakins, C. A. Bolme, D. S. Moore, and J. F. Bingert,V. H. Whitley, S. D. McGrane, D. E. Eakins, C. A. Bolme, D. S. Moore, and J. F. Bingert,JOURNAL OF APPLIED PHYSICS 109, 013505, (2011)JOURNAL OF APPLIED PHYSICS 109, 013505, (2011)
The elastic-plastic response of aluminum films to The elastic-plastic response of aluminum films to ultrafast laser-generated shocksultrafast laser-generated shocks
V. H. Whitley, S. D. McGrane, D. E. Eakins, C. A. Bolme, D. S. Moore, and J. F. Bingert,V. H. Whitley, S. D. McGrane, D. E. Eakins, C. A. Bolme, D. S. Moore, and J. F. Bingert,JOURNAL OF APPLIED PHYSICS 109, 013505, (2011)JOURNAL OF APPLIED PHYSICS 109, 013505, (2011)
Thank you for Thank you for your attention!your attention!
Physics of Extreme States of Matter — 2011, Chernogolovka, 2011, p. 38-41Оптический журнал, 2011, 13, в. 8