Results 241 to 250 of about 252,282 (307)

Tailoring combined impact loading using gradient foam composite projectiles with variable fragment shapes. [PDF]

Sci Rep
Jiang P, Wu C, Wang X, Cai L, Zhong D, Ma J, Zhang W.   +6 more
europepmc   +1 more source

Research on Machining Characteristics of C/SiC Composite Material by EDM. [PDF]

Micromachines (Basel)
Yu P, Yu Z, Wang L, Gao Y, Li Q, Li Y.
europepmc   +1 more source

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Explosive fragmentation of materials

Combustion, Explosion, and Shock Waves, 1995
The process of high-rate fragmentation of materials is considered. On the basis of an energy approach the fracture mechanism is studied, and its motive forces are analyzed. It is shown that at currently feasible strain rates the materials fails due to elastic energy. A criterion governing the strain rate with which kinetic energy can be involved in the
A. G. Ivanov, V. A. Raevskii, O. S. Vorontsova   +2 more
openaire   +1 more source

Classification of Explosive Materials

2022
The main focus of this chapter is on the chemical data of primary and secondary explosives. For this 4th edition the data has been up-dated using recent publications and databases. For primary explosives the chemical data on mercury fulminate, lead styphnate, tetrazene, lead and silver azide is presented and for secondary explosives the chemical data ...
openaire   +1 more source

Explosively driven fragmentation of granular materials

The European Physical Journal E, 2013
This paper investigates the explosively driven dynamics of dry and wet sand. Contrary to popular belief, wet sand under high strain rate loadings (10(4)s(-1)) is observed to have reduced resistance against flow compared to the dry sand, which is supported by a noticeably enhanced expansion before the breakup followed by an increased number of fragments.
Kun, Xue, Fangfang, Li, Chunhua, Bai
openaire   +2 more sources

Temperature Change of Light Induced Explosion of explosive material

Propellants, Explosives, Pyrotechnics, 1987
AbstractA theoretical analysis based on the adiabatic consideration of one‐ dimensional model for initiation of explosive materials by intense light is performed. An expression is obtained which can be used to calculate the explosion temperature.
An‐Lu Leu, Chen‐Shyong Yen
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Explosion Features of Liquid Explosive Materials

2015
As everyone knows that the explosion characteristics of explosive materials have close relationship with their packed density and structures.
openaire   +1 more source

Identification of explosive materials

Forensic Science International, 1990
Abstract Efficient methods and procedures have been worked out allowing to identify both military and non-military (mining, pyrotechnic) explosives. Physical and chemical stability of traces including effects of external influences and various background materials affecting traces have been investigated. Colour tests and procedures for identification
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Nanometer functional materials from explosives

SPIE Proceedings, 2009
ABSTRACT The growth of Li 1+x Mn 2 O 4 via detonation reaction was investigated with re spect to the presence of energetic precursors, such as the metallic nitrates and the degree of confinement of the explosive charge. The detonation products were characterized by scanning electron microscopy.
Xinghua Xie, Jing Zhu, Huisheng Zhou, Shilong Yan   +3 more
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Vapour sensing of explosive materials

Analytical Methods, 2015
The ability to accurately and reliably detect the presence of explosives is critical in many civilian and military environments, and this is often achieved through the sensing of the vapour emitted by the explosive material. This review summarises established and recently developed detection techniques.
Lefferts, MJ, Castell, MR
openaire   +2 more sources