By Ashok Bhatnagar
Ballistic composites must be light-weight and sturdy in addition to displaying excessive influence resistance and harm tolerance. this crucial publication stories those requisites, how the fabrics used for ballistic composites meet them and their diversity of applications.
After an introductory bankruptcy, light-weight ballistic composites is divided into major sections. the 1st a part of the ebook explores fabric specifications and trying out. There are chapters on bullets and bullet fragments, fabric responses to ballistic influence, criteria and standards, modelling and try equipment. half reports the variety of fabrics used, construction tools and purposes. subject matters mentioned comprise high-performance ballistic fibres and ceramics, non-woven ballistic and prepreg composites, and their makes use of in physique armour, car and airplane protection.
This significant ebook is the 1st of its type to provide a accomplished overview of the present use of light-weight ballistic composites in either army and law-enforcement functions. it really is a useful reference for all these desirous about body of workers and automobile security in defence and police forces round the world.
- Reviews the present use of light-weight ballistic composites in either army and law-enforcement application
- An authoritative assessment of the variety of fabrics used, creation equipment and applications
- Explores fabric necessities and testing
Read Online or Download Lightweight Ballistic Composites for Military and Law-enforcement Applications PDF
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Extra resources for Lightweight Ballistic Composites for Military and Law-enforcement Applications
The sequence of events and timing is as follows: 1. 2. 3. 4. 5. 6. 7. 8. 2 second before the trigger finger obeys the brain command. 005 seconds. 0004 seconds. 004 seconds and the projectile is pushed out from the cartridge. Depending upon the barrel twist level, the projectile can rotate at about 1000 revolutions per second. 1125 seconds. 3195 seconds. 2 seconds after the projectile has left the barrel. Usually a new shooter, when holding and firing a gun, cannot distinguish in terms of stability, trigger mechanism, cartridge feeding, the sights, the grip, the muzzle flip, the power of recoil, and general manageability, between different guns.
Bullet diameters are the same as the inside diameters of the gun barrels from which they are fired. The length of cartridge has a direct bearing on the amount of gunpowder it can contain and thus on the velocity with which the bullet can be propelled. `Magnum' cartridges are longer than standard cartridges so that they may contain more gunpowder. 22 `Shorts' (Fig. 1). Bullets vary in shape, construction, and composition. In general all the bullets have an aerodynamic shape. The aerodynamic shape of a bullet helps it to maintain speed when fired from a distance.
These bullets will penetrate soft body armor. The Teflon in itself confers no special armor-piercing properties, and is used merely to lessen the extreme barrel wear that would otherwise be caused by bullets made of such hard materials. Shotgun loads range from birdshot loads containing hundreds of small pellets to the slug load, composed of a single bullet-like `slug'. Buckshot lies between these extremes, with a shell containing a dozen or so pellets, depending upon the size of the buckshot. To make up for the lack of rifle in most shotgun barrels, slugs themselves are typically cast with slanted grooves on their sides to impart aerodynamically the spin needed for stability.