Shock waves generated by a pulsed surface sliding discharge in a supersonic airflow past a wedge

2020 ◽  
Vol 32 (10) ◽  
pp. 106108
Author(s):  
Yu. Liao ◽  
I. V. Mursenkova ◽  
I. E. Ivanov ◽  
I. A. Znamenskaya ◽  
N. N. Sysoev
2018 ◽  
Vol 51 (10) ◽  
pp. 105201 ◽  
Author(s):  
I V Mursenkova ◽  
I A Znamenskaya ◽  
A E Lutsky

2019 ◽  
Vol 74 (3) ◽  
pp. 269-276 ◽  
Author(s):  
I. V. Mursenkova ◽  
Yu. Liao ◽  
I. E. Ivanov ◽  
N. N. Sysoev

2019 ◽  
Vol 45 (12) ◽  
pp. 1266-1269
Author(s):  
A. Yu. Kuznetsov ◽  
I. V. Mursenkova ◽  
P. Yu. Ulanov

Author(s):  
M.A. Mogilevsky ◽  
L.S. Bushnev

Single crystals of Al were loaded by 15 to 40 GPa shock waves at 77 K with a pulse duration of 1.0 to 0.5 μs and a residual deformation of ∼1%. The analysis of deformation structure peculiarities allows the deformation history to be re-established.After a 20 to 40 GPa loading the dislocation density in the recovered samples was about 1010 cm-2. By measuring the thickness of the 40 GPa shock front in Al, a plastic deformation velocity of 1.07 x 108 s-1 is obtained, from where the moving dislocation density at the front is 7 x 1010 cm-2. A very small part of dislocations moves during the whole time of compression, i.e. a total dislocation density at the front must be in excess of this value by one or two orders. Consequently, due to extremely high stresses, at the front there exists a very unstable structure which is rearranged later with a noticeable decrease in dislocation density.


2006 ◽  
Vol 134 ◽  
pp. 237-241
Author(s):  
J. L. Dequiedt
Keyword(s):  

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