Initial stage in the acceleration of thin plates in the grazing detonation mode of a high explosive charge

1980 ◽  
Vol 15 (4) ◽  
pp. 539-542 ◽  
Author(s):  
O. B. Drennov ◽  
A. L. Mikhailov
Keyword(s):  
Explosive Charge ◽  
High Explosive ◽  
Thin Plates ◽  
Initial Stage

Transformation of Structure in Carbon Steel Specimen under Loading by Mach Stem, Formed in Preliminary Compressed High Explosive Charge TG-40

2011 ◽  
Vol 673 ◽  
pp. 89-94 ◽  
Author(s):  
Ivan A. Bataev ◽  
Igor A. Balagansky ◽  
Anatoly Bataev ◽  
Kazuyuki Hokamoto
Keyword(s):  
Carbon Steel ◽  
Explosive Charge ◽  
High Explosive ◽  
Steel Specimen ◽  
Explosive Loading ◽  
Metallographic Analysis ◽  
Heterogeneous Structure ◽  
Mach Stem ◽  
Localized Deformation ◽  
Current Loading

A structure of a carbon steel specimen after explosive loading is investigated. The loading was executed by Mach stem, formed in high explosive charge that was preliminary compressed by advanced wave in ceramic bar. In the original condition the specimen had a typical for low carbon steel ferrite-pearlite structure. Metallographic analysis has shown that during the process of the explosive loading the following structural changes took place: formation of numerous deformation twins in both ferrite grains and pearlite colonies (i.e. in two-phase structure); formation of extended bands of localized deformation, which are not crystallographically connected with the original ferrite-pearlite structure; fine grains formation in zones of severe plastic flow. The size of the ferrite grains is by an order of magnitude less than the original grains size. According to the authors’ opinion, above-noted structural peculiarities demonstrate that loading conditions achieved in the current loading scheme differ from common. The phenomenon of non-typical twinning in heterogeneous structure (pearlite) indirectly evidences that extremely high stresses and strain rates took place in the specimen during the loading.

scholarly journals Modeling Blast Loading on Buried Reinforced Concrete Structures with Zapotec

2008 ◽  
Vol 15 (2) ◽  
pp. 137-146 ◽  
Author(s):  
Greg C. Bessette
Keyword(s):  
Reinforced Concrete ◽  
Concrete Structure ◽  
Explosive Charge ◽  
High Explosive ◽  
Concrete Structures ◽  
Blast Loading ◽  
Reinforced Concrete Structures ◽  
Reinforced Concrete Structure ◽  
Solution Approach ◽  
Coupling Algorithm

A coupled Euler-Lagrange solution approach is used to model the response of a buried reinforced concrete structure subjected to a close-in detonation of a high explosive charge. The coupling algorithm is discussed along with a set of benchmark calculations involving detonations in clay and sand.

Interaction of detonation products of a cylindrical high-explosive charge with a surrounding gas

1981 ◽  
Vol 17 (3) ◽  
pp. 344-346
Author(s):  
V. I. Mali ◽  
A. K. Rebrov ◽  
G. A. Khramov ◽  
S. F. Chekmarev
Keyword(s):  
Explosive Charge ◽  
High Explosive ◽  
Detonation Products

Acceleration device based on high explosive charge which contains high modular ceramic tube

1999 ◽  
Vol 22 (8) ◽  
pp. 813-823 ◽  
Author(s):  
I.A. Balagansky ◽  
V.A. Agureikin ◽  
I.F. Kobilkin ◽  
N.I. Nosenko ◽  
V.V. Naumov ◽  
...  
Keyword(s):  
Explosive Charge ◽  
High Explosive ◽  
Ceramic Tube
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