By Roy Laible
Ballistic fabrics and Penetration Mechanics offers with ballistically protecting fabrics and penetration mechanics. The booklet discusses ancient and functional concerns of ballistic safeguard, together with metal armor, in addition to ballistic trying out technique, the facility of a protecting fabric to forestall or decelerate a specific projectile, and the theoretical elements of penetration mechanics. It additionally highlights the significance of pressure wave research within the penetration and spalling phenomena.
Organized into 12 chapters, this quantity starts off with an outline of the historical past of the armor and the trendy helmet. It proceeds with a dialogue of adaptations in ballistic attempt tools, mistakes in try equipment, and the significance of the hardness and geometry of either the objective and the projectile. the subsequent chapters specialize in the significance of fibrous armor, fabrics which are visually obvious and proof against penetration via high-energy projectiles and fragments, and obvious armor and ceramic composite armor. The reader can be brought to fabrics utilized in the layout of steel armor, the position of rigidity waves within the penetration challenge, and using desktop simulation to investigate ballistic influence experiments. The e-book appears at numerical options for modeling hypervelocity influence and concludes with a bankruptcy at the penetration mechanics of cloth constructions.
This e-book is a priceless source for scientists operating at govt, commercial, and collage laboratories, in addition to legislations enforcement officials and others who wish details on fabrics that offer the easiest security opposed to harm from affects, explosions, and bullets.
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Extra info for Ballistic materials and penetration mechanics
D. R. E. Durand, Development of Headforms for Sizing Infantry Helmets, Tech. Rept. No. 7 5-23-CEMEL, US Army Natick R and D Command, Natick, MA, 1974. R. D. E. Durand, and M. Kulinski, Verification Fit Test of Three Size Infantry Helmets, Tech. Rept. No. 75-79-CEMEL, US Army Natick R and D Command, Natick, MA, 1975. N. Prather, Transient Deformation of Military Helmet and Its Injury P o t e n t i a l , Tech. Rept. No. EB-TR-74028, Edgewood Arsenal, Aberdeen Proving Ground, MD, 1974. L. Young, Helmetran Computer Model, Tech.
Make more use of armor on the chariots? The answer must have been the same as we could give today. Armor is lightest weight and most effective when applied as close as possible to the man. Equivalent protection on a chariot or an aircraft must cover a much more extensive area and thus weigh more than body armor because of the geometry involved. HISTORY OF ARMOR Fig. 11. Ceramic fiberglass front torso armor. Fig. IZ. Ceramic armor plate for back protection. Fig. 13. Leg armor for aircrewmen. Fig.
In summary, fragmentation type arena testing is very complex, time-consuming, and expensive. C. Side Spray Fragmentation Tests A scaled down version of the above arena test was employed by the United States Army Ordnance Corps  during World War II. Lightweight fragment resistant armor materials were tested by a controlled fragmentation side spray test. A 20 mm shell, HEI MK1, was statically detonated inside a rectangular or triangular box test setup. Three of four recovery boxes 305 x 305 mm were used to recover the fragments that perforated the armor samples being tested.