The Chemistry Of Powder And Explosives By Tenney L Davis Pdf

the chemistry of powder and explosives by tenney l davis pdf

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The Chemistry of Powder and Explosives

Smokeless powder is a type of propellant used in firearms and artillery that produces lower amounts of smoke when fired, unlike the historical black powder it replaced. The term is unique to the United States and is generally not used in other English-speaking countries, [1] which initially used proprietary names such as " Ballistite " and " Cordite " but gradually shifted to "propellant" as the generic term. This article focuses on nitrocellulose formulations, but the term smokeless powder was also used to describe various picrate mixtures with nitrate , chlorate , or dichromate oxidizers during the late 19th century, before the advantages of nitrocellulose became evident. Since the 14th century [5] gunpowder was not actually a physical " powder ", and smokeless powder can be produced only as a pelletized or extruded granular material. Burnt gunpowder leaves a thick, heavy fouling that is hygroscopic and causes rusting of the barrel. The fouling left by smokeless powder exhibits none of these properties though some primer compounds can leave hygroscopic salts that have a similar effect; non-corrosive primer compounds were introduced in the s [4] :

Chemistry Powder Explosives by Tenney Davis, Used

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Get ideas for your own presentations. If the explosion moves outward at supersonic speeds faster than the speed of sound , it's a detonation. Chemical explosive reaction. A chemical explosive is a compound or mixture which, upon the application of heat or shock, decomposes or rearranges with extreme rapidity, yielding much gas and heat. Google Scholar.

Sometimes it may only be the air in the neighborhood of the material or the gas from the explosion which goes away. Our simple definition makes mention of the one single attribute which all explosives possess. It will be necessary to add other ideas to it if we wish to describe the explosive properties of any particular substance. For example, it is not proper to define an explosive as a substance, or a mixture of substances, which is capable of undergoing a sudden transformation with the production of heat and gas. The production of heat alone by the inherent energy of the substance which produces it will be enough to constitute the substance an explosive.

Chemistry of Powder & Explosives Volume I 1941 By Tenney L Davis pdf

An explosive is a material, either a pure single substance or a mixture of substances, which is capable of producing an ex-plosion by its own energy. It seems unnecessary to define an explosion, for everyone knows what it is—a loud noise and the sudden going away of things from the place where they have been. Sometimes it may only be the air in the neighborhood of the material or the gas from the explosion which goes away.

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