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High explosives are usually further categorized into primary and secondary types. Primary explosives can be detonated from a simple source such as a flame, spark or impact. Secondary explosives must have sufficient stimulus to initiate detonation. This is usually in the form of an additional explosive charge that sets up an initiating shock wave.

ANFO (or AN/FO, for ammonium nitrate/fuel oil) is a widely used bulk industrial explosive.Its name is commonly pronounced as "an-fo". It consists of 94% porous prilled ammonium nitrate (NH 4 NO 3) (AN), which acts as the oxidizing agent and absorbent for the fuel, and 6% number 2 fuel oil (FO).. ANFO has found wide use in coal mining, quarrying, metal mining, and civil construction in ...

This chapter is an update to Chapter 9, Military Energetic Materials, Explosives, and Propellants, in the previous edition of this book.1 Much of the chapter has been revised to reflect new ...

Military high explosives are safe to handle, have a long shelf life, their energy density is high and the propagation of the explosion (detonation reaction) is very fast.

Table 1 is a representative, but not exhaustive, list of the typical mixtures of organic high explosives that include military explosives and industrial explosives. A variety of analytical techniques for the detection of small amount of explosives (picogram range and below) are available including instruments designed for explosive vapor detection (EVD) from objects.

commercial explosives can be grouped into two main categories according to their sensitivity, detonator sensitive explosives and blasting agents. Some explosives with very high sensitivity, such as pure nitroglycerin or dynamite, can be detonated by mechanical impact or friction. The sensitivity of an explosive has other operational implications.

10/26/2016· At Molecular Level, Picatinny Arsenal Seeks To Develop Versatile, Transparent Explosives By Ms. Cassandra Mainiero (Picatinny) | October 26, 2016 A research team at Picatinny Arsenal is working to produce "amorphous explosives" with nanotechnology to alter current military explosives as a way to create new, transparent explosives.

Distribution of Explosives Residue: Empirical Relationships. Distribution of residue associated with fragments. In a bare charge, there is an interface at the charge surface where unreacted or partly reacted explosives material may survive and become residue. This material may leave the charge as residue.

Explosive, any substance or device that can be made to produce a volume of rapidly expanding gas in an extremely brief period. There are three fundamental types: mechanical, nuclear, and chemical. A mechanical explosive is one that depends on a physical reaction, such as overloading a container

7/27/2015· xplosive, any substance or device that can be made to produce a volume of rapidly expanding gas in an extremely brief period. An explosive material, also called explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.

Explosive, any substance or device that can be made to produce a volume of rapidly expanding gas in an extremely brief period. There are three fundamental types: mechanical, nuclear, and chemical. A mechanical explosive is one that depends on a physical reaction, such as overloading a container with compressed air.Such a device has some application in mining, where the release of gas from ...

Sales of ammonium-nitrate-based explosives (blasting agents and oxidizers) were 2.34 Mt in 2001, which was an 8% decrease from that of 2000, and accounted for 98% of US industrial explosives sales.

explosive,。99 : Lasers for inertial confinement fusion driven by high explosives. - The data in…

A propellant or propellent is a chemical substance used in the production of energy or pressurized gas that is subsequently used to create movement of a fluid or to generate propulsion of a vehicle, projectile, or other object.Common propellants are energetic materials and consist of a fuel like gasoline, jet fuel, rocket fuel, and an oxidizer.Propellants are burned or otherwise decomposed to ...

8/15/2017· By John Donovan Apr 21, 2017 Military / Explosives Using Glowing Bacteria and Lasers to Detect Landmines With tens of millions of active landmines still buried around the globe, scientists are looking for efficient and safe methods to remove them.

commercial explosives ranges from 0.6 to 1.7 g/cc. For free running explosives, the density is often specified as the pounds of explosives per foot of charge length in a given size borehole. With few exceptions, denser explosives give higher detonation velocities and pressures. Density is an important consideration when choosing an explosive.

Non-Electric Blasting Caps Note: ... Nearly all military training explosives — fake TNT blocks, Time Fuse, Det Cord, etc. — are this powder-blue color, making it easy to differentiate the real stuff from the practice materials. Blue, training materials show up in a lot of movies. ... To illustrate the difference between Det Cord and Time ...

Composition A is used by the military in land mines and 2.75 and 5 inch rockets. Comp A-3 explosives are made from RDX and wax. Composition A-3 is a wax-coated, granular explosive, consisting of ...

The Explosives Channel contains articles on different types of explosives and missiles. Check out the articles and videos on the Explosives Channel. ... scientists are looking for efficient and safe methods to remove them. ... The Simple Difference Between Ballistic Missiles and Cruise Missiles. Despite the phrase "going ballistic," the term ...

US Army Technical Center for Explosives Safety DSN 956-8737 or commercial (918) 420-8737 usarmy.mcalester.usamc.list.dac-es US Army Technical Center for Explosives Safety 2 The Cardinal Rule Expose: the minimum number of people to the minimum amount of explosives for the minimum amount of time Consistent with safe and efficient operations.

Introduction to Explosives FOR OFFICIAL USE ONLY C4: Analysis and Trends U.S. manufactured so likely to be found in countries where the U.S. has military connections A preferred terrorist explosive – Used in 2000 U.S.S. Cole and 2002 Bali nightclub bombings – Recommended in Al-Qaeda's traditional curriculum of explosives training

6/14/2018· The degree of coupling between the explosive and the borehole wall will have an effect on how efficiently the shockwave is transmitted into the rock. Pumped or poured explosives will result in better transmission of energy than cartridge products with an annular space between the cartridge and the borehole wall.

Examples of explosive in a sentence, how to use it. 99 examples: Lasers for inertial confinement fusion driven by high explosives. - The data in…

Explosive - Explosive - Dynamite: The second most important of Nobel's inventions was dynamite, in 1867. He coined the name from the Greek dynamis, "power." The basis for the invention was his discovery that kieselguhr, a porous siliceous earth, would absorb large quantities of nitroglycerin, giving a product that was much safer to handle and easier to use than nitroglycerin alone.

5/14/2013· The run-up distance varies between explosives. ANFO has the maximum (about six charge diameters) and PETN/TNT explosives have the least (about one charge diameter) as in fig – 1. Fig – 1. A VOD less than 2,000 m/s is not considered stable.