Study on Influence of Bore Structure on Gun’s Interior Ballistic Performances

SUN He-yang;MA Ji-sheng;LI Wei;SHENG Long-bo;WU Da-lin;LIU Hai-ping

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  • Sponsored by: China Association for Science and Technology (CAST)

    Editor-In-Chief: Xu Yida

    ISSN 1000-1093

    　

  • Hosted By: China Ordnance Society

    Published By: Acta Armamentarii

    CN 11-2176/TJ

Acta Armamentarii, a Chinese monthly journal, was first published in 1979. The journal is supervised by China Association for Science and Technology, sponsored by China Ordnance Society，and edited and published by Editorial Board of Acta Armamentarii. The Journal is included in all important domestic databases，and also collected by Engineering Index (EI, USA), Chemical Abstracts (CA, USA), Science Abstracts (SA, UK）, Abstract Journal (AJ, Russia), and Current Bibliography on Science and Technology(CBST).Acta Armamentarii has been selected into the journal Of Ordnance Science and Technology (Weapons Industry) Field Of High Quality Scientific and Technological Periodical Classification Catalogue (2022 edition), ranking T1, and the journal of Automotive Engineering Field of High Quality Scientific and technological Periodical classification Catalogue, ranking T2.
Acta Armamentarii ›› 2012, Vol. 33 ›› Issue (6) : 669-675. DOI: 10.3969/j.issn.1000-1093.2012.06.006
Paper

Study on Influence of Bore Structure on Gun’s Interior Ballistic Performances

  • SUN He-yang1, MA Ji-sheng1, LI Wei2, SHENG Long-bo1, WU Da-lin1, LIU Hai-ping1
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Abstract

Considered the coupling effects of classical interior ballistic equations and band’s engraving process, the solution of interior ballistic equations was taken as the boundary condition of the simulation for engraving process, and the results of the simulation were taken as the initial conditions for the interior ballistic equations in the next step iteratively. A coupled constitutive model considered visco-plasticity and ductile damage and based on continuum damage mechanics was introduced to simulate the band’s damage process. The Von Mises yield criterion, Johnson-Cook hardening model and Johnson-Cook fracture strain model were adopted, and the model considered large strain, high strain-rate, thermal softening and damage evolution. The model was implemented in the explicit finite element code by using VUMAT subroutine of Abaqus\Explicit module. The band’s engraving processes of two different bore structures were simulated, and the influences of different engraving conditions on the stress state of the band were analyzed. The effects of band’s stress state and bore structure on the interior ballistic performances were pointed out. It is very useful for the design of bore structure.

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SUN He-yang, MA Ji-sheng, LI Wei, SHENG Long-bo, WU Da-lin, LIU Hai-ping. Study on Influence of Bore Structure on Gun’s Interior Ballistic Performances. Acta Armamentarii. 2012, 33(6): 669-675 https://doi.org/10.3969/j.issn.1000-1093.2012.06.006

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