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Author Finney, Mark Arnold, author.

Title A study of ignition by rifle bullets [electronic resource] / Mark A. Finney [and three others].

Imprint Fort Collins, CO : United States Department of Agriculture, Forest Service, Rocky Mountain Research Station, [2013]

Copies

Location Call No. OPAC Message Status
 Axe Federal Documents Online  A 13.78:RMRS-RP-104    ---  Available
Description 1 online resource (31 pages) : color illustrations.
text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
Series Research paper RMRS ; RP-104
Research paper RMRS ; RP-104.
Summary Experiments were conducted to examine the potential for rifle bullets to ignite organic matter after impacting a hard surface. The tests were performed using a variety of common cartridges (7.62x51, 7.62x39, 7.62x54R, and 5.56x45) and bullet materials (steel core, lead core, solid copper, steel jacket, and copper jacket). Bullets were fired at a steel plate that deflected fragments downward into a collection box containing oven-dried peat moss. We found that bullets could reliably cause ignitions, specifically those containing steel components (core or jacket) and those made of solid copper. Lead core-copper jacketed bullets caused one ignition in these tests. Ignitions of peat also occurred with a small set of tests using solid copper bullets and a granite target. Thermal infra-red video and temperature sensitive paints suggested that the temperature of bullet fragments could exceed 800C. Bullet fragments collected from a water tank were larger for solid copper and steel core/jacketed bullets than for lead core bullets, which also facilitate ignition. Physical processes are reviewed with the conclusion that kinetic energy of bullets is transformed to thermal energy by plastic deformation and fracturing of bullets because of the high-strain rates during impact. Fragments cool rapidly but can ignite organic matter, particularly fine material, if very dry and close to the impact site.
Note Title from title screen (viewed on Nov. 6, 2013).
"August, 2013."
Bibliography Includes bibliographical references (page 26).
Subject Fires.
Shooting -- Environmental aspects.
Bullets -- Flammability.
Added Author Rocky Mountain Research Station (Fort Collins, Colo.)
Other Form: Print version: Study of ignition by rifle bullets (OCoLC)871697479
Gpo Item No. 0083-B (online)
Sudoc No. A 13.78:RMRS-RP-104

 
    
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