2013年7月30日星期二

Tungsten Alloy Ball for Fragments

Tungsten alloy ball is small in volume but very dense. Tungsten alloy ball has the advantage of density, hardness. So tungsten alloy is quie suitable for military weapons.

Fragmentation warhead is one of the main types of warheads, mainly by the role of high-energy explosives, the formation of a large number of high-speed fragments, using high-speed hitting the tungsten prefabricated fragments, the role of ignition and detonation damage targets, and can be used for anti-effectives (human, animal), no armor or light armored vehicles, aircraft, radar and missiles and other weapons and equipment. According to the generation of fragments channels, fragmentation warhead can be divided into natural, pre-control and pre-fragmented warhead three types.

Tungsten prefabricated fragments are natural under detonation. Tungsten alloy ball, the shell expansion, fracture broken of such warheads is characterized not only as a container shell to form another anti-elements, fragments the size of the uneven, irregular shape in the air fast decay in flight speed, so that the effective anti-personnel grenade is limited in scope. Usually, tungsten prefabricated fragments made from tungsten alloy ball.
Primary fragments are formed as a result of the shattering of the casing of conventional munitions. Tungsten alloy frefabricated fragments usually are small and travel initially at velocities of the order of thousands of feet per second. Secondary tungsten alloy prefabricated fragments are formed as a result of high blast pressures on structural components and items in close proximity to the explosion. These prefabricated fragments are somewhat larger than primary fragments and travel initially at velocities in the order of hundreds of feet per second. A hazardous prefabricated fragment is one having an impact energy of 58 ft-lb (79 joules) or greater. Tungsten alloy refabricated fragments forming a pre-processing will be the shape and quality of pre-designed steel ball, steel arrows, tungsten ball/tungsten sphere, tungsten prefabricated column fragments produced prefabricated sets of body fragments, and installed in the grenade projectile outer surface or inner surface. These prefabricated projectile fragmentation grenade explosion with the formation of fragments together constitute the natural fragmentation field, due to resistance of prefabricated fragments flying characteristic consistency, with tungsten alloy prefabricated fragments of the grenade will be set within the framework of the lethal effect of a relatively dense, full-bombs a greater degree of lethality increase. 

Primary fragments are formed as a result of the shattering of the casing of conventional munitions. Tungsten alloy frefabricated fragments usually are small and travel initially at velocities of the order of thousands of feet per second. Secondary tungsten alloy prefabricated fragments are formed as a result of high blast pressures on structural components and items in close proximity to the explosion. These prefabricated fragments are somewhat larger than primary fragments and travel initially at velocities in the order of hundreds of feet per second. A hazardous prefabricated fragment is one having an impact energy of 58 ft-lb (79 joules) or greater. Tungsten alloy refabricated fragments forming a pre-processing will be the shape and quality of pre-designed steel ball, steel arrows, tungsten ball/tungsten sphere, tungsten prefabricated column fragments produced prefabricated sets of body fragments, and installed in the grenade projectile outer surface or inner surface. These prefabricated projectile fragmentation grenade explosion with the formation of fragments together constitute the natural fragmentation field, due to resistance of prefabricated fragments flying characteristic consistency, with tungsten alloy prefabricated fragments of the grenade will be set within the framework of the lethal effect of a relatively dense, full-bombs a greater degree of lethality increase. 

2013年7月26日星期五

Technological Core of Tungsten Military Defense

The 35mm by 228mm AHEAD ammunition is an original cartridge type, programmed detonator ammunition, composed of a Programmable Fuze System, tungsten alloy subprojectiles, ejection standoff ammunition, a thin-walled body, nitrified fibre firing ammunition and steel ammunition cartridge. This tungsten military defense is become more and more widely used in the military field.

Tungsten Military Defense in Anti-missile:

In the anti-missile role it uses Advanced Hit Efficiency And Destruction (AHEAD) ammunition. This round ejects 152 tungsten projectiles at a predetermined distance, between 40 and 10 m, from the target. A 25-round burst of AHEAD rounds produces 3,800 of these small projectiles to destroy the incoming missile. Cruise missiles can be destroyed at 2.5 km and high speed missiles at 1.5 km range by tungsten military defense. A more common projectile to see in service is the advanced hit efficiency and destruction [AHEAD] round. Given the size of the diameter and the larger length of the projectile, as opposed to a 35mm AHEAD round, more subprojectiles are carried - one hundred and eighty as opposed to one hundred and fifty-two . The submunitions of this tungsten military defense are tungsten-alloy [WHA] spheres, designed for both penetration and 'mass effect', to increase the likelihood of engaging the incoming 'vampire' or 'bogie'. The round is termed the MCP170 and uses a programmable magnetic fuze which uses information provided by the coil velocity gauge near the gun's muzzle in order to automatically compute the correct estimated time to target.

More knowledge of tungsten military defense for AHEAD C141:

The combat efficiency of the AHEAD ammunition is due to the payload of 152 tungsten alloy subprojectiles weighing 3.3 grams each. These subprojectiles are activated at a certain distance in front of the intercepted target, forming a mass of lethal subprojectiles, greatly augmenting the probability of a kill. The tungsten alloy subprojectiles have a sharp edge, ensuring that this tungsten military defense can inroad into the target with precise accuracy, tungsten military defense also provides the kinetic energy to destroy the electrical components, payloads or motor of the target.

2013年7月25日星期四

Tungsten Alloy Shot

Tungsten alloy shot is used as the shot for shotgun hunting shells. The pellets spread upon leaving the barrel, and the power of the burning charge is divided among the pellets, which means that the energy of any one ball of shot is fairly low. In a hunting context, the product makes shotguns useful primarily for hunting birds and other small games.











High density, great hardness and resistance to high temperature make tungsten to be one of the most sought -after material for shotgun pellets in hunting history . Density of tungsten alloy shot is about 18g/cm3, which is comparable only to gold ,platinum, or bismuth. To understand how the density factors of tungsten heavy alloy into performance, let us look at two spheres about the same size of tungsten alloy shot, a golf ball and a ping -pong ball. The golf ball is far denser and will fly farther and hit harder. Now reducing that size  down to two single, getting the picture. Tungsten alloy will fly farther, hit harder and penetrate deeper, which means more birds ,farther our ,with fewer cripples. Another unique property of tungsten alloy is that it is non-toxic and environmentally friendly. Therefore, it is safe for people to handle and work.

A shotgun (also known as a scattergun and peppergun, or historically as a fowling piece) is a firearm that is usually designed to be fired from the shoulder, which uses the energy of a fixed shell to fire a number of small spherical pellets called shot, or a solid projectile called a slug. Shotguns come in a wide variety of sizes, ranging from 5.5 mm (.22 inch) bore up to 5 cm (2.0 in) bore, and in a range of firearm operating mechanisms, including breech loading, single-barreled, double or combination gun, pump-action, bolt-, and lever-action, semi-automatic, and even fully automatic variants.


A shotgun is generally a smoothbore firearm, which means that the inside of the barrel is not rifled. Preceding smoothbore firearms, such as the musket, were widely used by armies in the 18th century. The direct ancestor to the shotgun, the blunderbuss, was also used in a similar variety of roles from self defence to riot control. It was often used by cavalry troops due to its generally shorter length and ease of use, as well as by coachmen for its substantial power. However, in the 19th century, these weapons were largely replaced on the battlefield with breechloading rifled firearms, which were more accurate over longer ranges. The military value of shotguns was rediscovered in the First World War, when American forces used 12-gauge pump action shotguns in close-quarters trench fighting to great effect. Since then, it has been used in a variety of roles in civilian, law enforcement, and military applications.

The shot pellets from a shotgun spread upon leaving the barrel, and the power of the burning charge is divided among the pellets, which means that the energy of any one ball of shot is fairly low. In a hunting context, this makes shotguns useful primarily for hunting birds and other small game. However, in a military or law enforcement context, the large number of projectiles makes the shotgun useful as a close quarters combat weapon or a defensive weapon. Shotguns are also used for target shooting sports such as skeet, trap, and sporting clays. These involve shooting clay disks, known as clay pigeons, thrown in various ways.

2013年7月24日星期三

Tungsten Alloy Armor Piercing Fin Stabilized Discarding Sabot

Every weekend, I always play Battlefield 3 with my friends on Xbox360. Battlefield 3 is a first-person shooter game, presented by Electronic Arts in 2011. In the game, I can join in Russian Army or U.S. Marine and fight on the battlefield. T-90 is my favorite tank in the game.

The T-90 is a Russian third-generation main battle tank that is a modernisation of the T-72 (it was originally to be called the T-72BU, later renamed to T-90). It is currently the most modern tank in service with the Russian Ground Forces and Naval Infantry. Although a development of the T-72, the T-90 uses a 125mm 2A46 smoothbore tank gun, 1G46 gunner sights, a new engine, and thermal sights. Standard protective measures include a blend of steel, composite armour, Smoke mortars, Kontakt-5 explosive-reactive armor, laser warning receivers, Nakidka camouflage and the Shtora infrared ATGM jamming system. The EMT-7 electromagnetic pulse (EMP) creator is used in testing but not fitted to T-90s in active service.[3] It is designed and built by Uralvagonzavod, in Nizhny Tagil, Russia. From 2011, the Russian armed forces have ceased ordering the T-90, and are instead waiting for the development of the Universal Combat Platform T-99 that is expected to enter service in 2020. T-90 can launch Tungsten alloy armor piercing fin stabilized discarding sabot (APFSDS).

Tungsten alloy armor piercing fin stabilized discarding sabot (APFSDS) is a type of ammunition which, like a bullet, does not contain explosives and uses kinetic energy to penetrate the target. The term can apply to any type of armor-piercing shot but typically refers to a modern type of armor piercing weapon, the tungsten alloy armo piercing fin stabilized discarding sabot, a type of long-rod penetrator (LRP), and not to small arms bullets.
The principle of tungsten alloy armor piercing is that it uses tungsten alloy armor piercing kinetic energy, which is a function of mass and velocity, to force its way through armor. The modern KE weapon maximizes KE and minimizes the area over which it is delivered by: maximizing the mass of whatever (albeit small) volume is occupied by the projectile—that is, using the densest metals practical, which is one of the reasons depleted uranium is often used, being fired with a very high muzzle velocity, concentrating the force in a small impact area while still retaining a relatively large mass.

  

2013年7月22日星期一

Tungsten Alloy Helicoper Shoes

Tungsten alloy helicopter shoes are one of the components in the plane which is used on the ground parking, slide, landing taxiing used to support the weight of the plane crash, absorb energy.Tungsten heavy alloy helicopter shoes can absorb and consume the hit energy when the plane landed. Tungsten heavy alloy helicopter shoes have four functions:
Firstly, under gravity when the plane on the ground parking, sliding, taking off, running smooth and landing.
Secondly, bearing, consuming and absorbing the energy and turbulence when the plane landed in ground.
Thirdly, braking while the plane sliding.
Lastly, Steering airplanes while the plane sliding.

As is known to us all, tungsten alloy has so many advantages such as high density, high melting point, small volume, excellent hardness, superior wearing resistance, high ultimate tensile strength, high ductility, high temperature resistance, good corrosion resistance, excellent thermal stability and thermal shock resistance, etc. Tungsten alloy is the perfect material to make helicopter because of the high melting point and superior wearing resistance. When the plane landing and sliding, the speed is very fast, so the friction is so big and it can produce a lot of heat, tungsten alloy helicopter shoes can resistant this problems and keep the plane land safely. Good corrosion resistance is another advantage for tungsten alloy to make helicopter shoes, when the helicopter emergency landing, it does have the choice of the ground, the product can not be corrosion when the environment is bad.

AH-1 Super Cobra is also equipped with tungsten alloy helicopter shoes. AH-1 Super Cobra is is a twin-engine attack helicopter based on the AH-1 Cobra which developed by Bell.

AH-1 Super Cobra serves in the U.S. Marine. Otherwise, it is also adopted in Korea, Japan or other countries.