爆破器材2016，Vol.45Issue(2)：29-33,5.DOI:10.3969/j.issn.1001-8352.2016.02.007
高能发射药动态力学强度的影响因素研究❋
Study on the Influence Factors of Dynamic Mechanical Properties of High-energy Gun Propellant
周敬 1杨丽侠 1张邹邹 1刘来东 1刘强1
作者信息
- 1. 西安近代化学研究所 陕西西安，710065
- 折叠
摘要
Abstract
[ ABSTRACT] High-energy gun propellant was impacted by the drop hammer device, and the influences of stress direc-tion, impact energy and temperature for the dynamic mechanical property of propellant were studied by observing the response of propellants and F-t curves. The results indicate that the fissure or broken is appeared on axial side, no matter the stress is on the axial or radial side, which show the anisotropy of mechanical strength of propellant. The propellant is easily broken when the force on the radial side, so the propellants should be place on axial side with the main press direc-tion when charge design for propellant, which can effectively prevent the impact crushing of propellant. With the impact energy increases, the fracture percent of gun propellant and the peak of F-t curve is increased, but the growth rate is decreased. With the increase of the temperature, the response of propellants are changed from brittle fracture to plastic deformation, the peak of F-t curve is reduced from 25. 0 kN to 5. 8 kN, and the pulse width is increased from 1. 6 ms to 5. 1 ms.关键词
应用化学/高能发射药/落锤撞击/影响因素Key words
applied chemistry/high-energy gun propellant/the dropping hammer impact/influence factors分类
化学工程引用本文复制引用
周敬,杨丽侠,张邹邹,刘来东,刘强..高能发射药动态力学强度的影响因素研究❋[J].爆破器材,2016,45(2):29-33,5.
