Currently, the main use of anti-missile weapons AHEAD ammunition. After the target struck, AHEAD ammunition reaches a predetermined distance, was detonated, the body of the 152 tungsten alloy ball is released, before the formation of the target 10 meters to 40 meters wide bullet clouds. AHEAD intercept missiles 1.5km-2.5km between.

Now there is a new AHEAD ammunition, the AHEAD ammunition larger than traditional 35mm AHEAD ammunition of caliber, able to carry more of tungsten alloy ball, bring the number to 180-220. Tungsten alloy military ammunition can not only destroy the missiles, but also can destroy armored vehicles. AHEAD ammunition artillery require the same target search and tracking radar and fire control computers for use. Gun nozzle distal end portion with three coil some distance away, two coils are specifically determined by the projectile muzzle velocity. Gun firing instant, artillery muzzle velocity was measured transferred to the fire control computer, the computer based on the parameters of the incoming missile and artillery muzzle velocity radar immediately calculate the projectile and target meeting point of flight time and flight time parameter to send shells The third coil cannon muzzle. But after the third coil shells, programmable time fuze get AHEAD ammunition on the exact time of flight instruction.


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Military tungsten alloy as tungsten alloy ball for AHEAD ammunition bullet ball.

"Advanced Hit Efficiency and destroy" (AHEAD) ammunition

AHEAD is "advanced hit efficiency and destruction" narrow, is a very advanced 35 mm high shells. AHEAD can be expressed in front of the mean. Prefabricated AHEAD ammunition cluster submunition fuze brittle fragments. It can use a lot of prefabricated fragments carry, forming a high-density point directly to the target fragments beam to intercept and damage control objectives. The ammunition not only for cruise missile defense, ground missiles, attack aircraft and unmanned aerial vehicles and other airborne targets, but also effectively destroyed the truck, and can suppress the optical components of armored vehicles. AHEAD ammunition mainly by the projectile, 152 tungsten alloy ball, projectile drugs, programmable electronic time fuzes, data receiving coils member. AHEAD ammunition is a cluster of prefabricated directional fragmentation bombs, equipped with prefabricated fragments, programmable electronic time fuze, projectile drugs. Military tungsten alloy primarily as tungsten alloy ball for prefabricated fragments AHEAD ammunition on. AHEAD ammunition currently widely used anti-aircraft weapons.

The following is the structure diagram AHEAD ammunition



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Characteristics of different processes to procure tungsten alloy products differ. If there is a higher demand for tungsten alloy tensile strength and hardness, then you need to tungsten alloy swaging. After swaging tungsten alloy can be used in the military field, such as tungsten alloy swaging rod can be used to make armor-piercing ammunition, shotgun ammunition, anti-fragmentation. After sintering, tungsten, tungsten alloy can be made into a small box, tungsten alloy ball and so on. Sometimes, in order to improve the properties of tungsten alloys, we will join other metallic elements in the metal powder, such as cobalt and molybdenum. . If used in the manufacture of naval weapons and equipment, you need the tungsten alloy surface chrome plating, so avoid salt corrosion.

High quality tungsten tungsten alloy products available online has reached Mil-T-21014 standard, and even adjust the process to provide higher-quality tungsten alloy, such as high hardness (42HRC min), high tensile strength (1400MPa min), high yield strength (1300MPa min), high elongation (8% min) and the like. If the customer needs, the Tungsten line can also provide free standard testing.


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The main properties for tungsten heavy alloy as follows are show us tungsten alloy advantages:

1--High Density: the maximum density may be higher than 19g/m3 with tungsten content from 80%W to 98%W and in strict accordance with your requirements.

2--High Melting Point: the highest melting point as 3,422 C, 6,192 F and the highest tensile strength.

3--Excellent Hardness: from 24 HRC to 36 HRC, or even above 40 HRC through swaging.

4--Superior Wearing Resistance: excellent wearing resistance , even in corrosion environments with high concentrations of CO2、H2S、Cl.

5--High Ultimate Tensile Strength: excellent properties almost for products used in military or other high-tech filed.

6--High Temperature Resistance: optimum parameters had been obtained as bonding temperature 1403K, bonding time 50min, bonding pressure 7.5MPa and cooling velocity 5K/min.


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Tungsten heavy alloys are generally refractory metals, which have two-phase composites consisting of W-Ni- Fe or W-Ni- Cu or even W-Ni-Cu-Fe, some tungsten alloy also contain Co、Mo、Cr, etc. They have very high melting point and have a density twice that of steel and are more than 50% heavier than lead. Tungsten content in conventional heavy alloys varies from 90% to 97% .This high tungsten phase content is the reason for their high density.

The most important tungsten alloy advantages is that small volume with high density, which means it could be used in some fields need the little but heavy parts, especially for military defense and it plays very important role in projectiles.




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U.S. defense technology in metallurgy conference held in September 1977, the U.S. Army Ballistic Research Institute published "metallurgical analysis of kinetic energy penetrator bombs tungsten alloy core and non-destructive testing," the papers. The elastic core where the study goose alloy (containing 90% goose, nickel and iron, 3% 7%, powder metallurgy, thermal treatment, machining, and this 12% reduction swaging rod made ​​of a diameter of 23.7 mm when, long 431.8 mm) in the process, found in this sample penetration bomb core and multi-target plate spacing single homogeneous armor Target, often severe fracture.

Thus, the non-destructive testing and destructive testing methods using standard core material for this bomb metallurgical characteristics were analyzed. Studies have shown that non-destructive testing is to detect a bomb core woven together so the whole crack and pore defects very reliable method. Used in non-destructive testing methods and test results are as follows: (1) visual inspection of the surface of the rod visual inspection swaging found serious cracks and chips. 2.X radiographic examination of the test showed that the lever 72, there is no obvious defects 17, the remaining 55 are distributed along the full length of irregular cracks and pores in the size range of 0.39 a 3.18 mm. 5 full-length magnetic particle inspection found on the surface of the rod are showing varying degrees of discontinuities.


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M993 tungsten alloy penetrators are American soldiers in 1992 to enhance the development of the plan, the purpose is to enhance the soldier for light armored vehicles strike capability. And 5.56mmM995 while research and development, both structures are different but the same size. In April 1997 shooting of BRDM-2 armored vehicles in Russia results showed that: the breakdown of these two bullets still valid after the armored vehicle anti-personnel side armor.

M993 tungsten alloy penetrators are American soldiers in 1992 to enhance the development of the plan, the purpose is to enhance the soldier for light armored vehicles strike capability. And 5. 56mmM995 while research and development, the two structures are different but the same size. In April 1997 shooting of BRDM-2 armored vehicles in Russia results showed that: the breakdown of these two bullets still valid after the armored vehicle anti-personnel side armor.

External M993 for mild steel jacketed, bullet inside a tungsten alloy penetrator. Time bomb by the Swedish Bofors CGAB production by the Dynamit Noble propellant production. The shells can be the same as the M240 machine guns, M60 machine gun, M24 sniper rifles and other weapons systems.


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Tungsten alloy ball, small size, can be applied to missile projectiles, projectile, hunting equipment, shotguns, prefabricated pieces, missile weapons, armor-piercing ammunition counterweight; petroleum logging counterweight; There are some areas of precision instruments, such as mobile phones vibrator clock with weights, watches watches counterweight, phone vibrator, flywheel weight, tungsten ball. High proportion of tungsten and tungsten alloy ball counterweight counterweight and is widely used in factories, as well as in the military.

Military products above tungsten alloy lead substitute, since the higher density so that they can be better, even under extreme conditions, to maintain its shape. Although uranium to provide comparable density, the volatility and special licensing requirements needed for radioactive materials, the processing is difficult. Tungsten heavy alloy is a metallic green material, does not produce toxic substances in the use and production process. In the expanding military industry while also taking into account the environmental impact of the use of military weapons, environmental performance advantages of tungsten alloy makes it more and more prominent in the military field. Such as tungsten alloy tail off shell, tungsten alloy counterweight submarines, tungsten alloy engine parts and so on.



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3. Push rivet back into place with gun set and reposition rivet bar, if necessary, to maintain its point of balance on the rivet. (repeat steps 2 and 3 until point of balance is determined). Often the index finger can be placed on the back of the rivet bar directly opposite the rivet tail. It then becomes the 'sensor' for correct bar position.



4. Pressure is held on gun while riveting. Tungsten alloy rivet bucking bar is held with only moderate force (otherwise rivet may be set with head proud of surface). A rubber grommet may be used over the rivet tail to assist in squeezing parts together during riveting. It acts as a 'pressure plate'.




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Heavy alloy, also known as high density tungsten alloy, tungsten as matrix (content 85-99%), added alloy Ni, Cu, Co, Mo, Cr and other elements. Use according to the alloy composition and characteristics into W-Ni-Fe, W-Ni-Cu, W-Co, W-WC-Cu, W-Ag major series, a high density of 16 .5-19.0g/cm3, so also known as high-density alloy.

The main properties of an alloy of high specific gravity material are: high density, generally accounting for 16.5-18.75g/cm3; high strength, tensile strength of 700-1000Mpa; strong ability to absorb radiation, 30-40% higher than that of lead; thermal conductivity coefficient, W the thermal conductivity of the alloy tool steel 5 times; thermal expansion coefficient is small, only 1/2-1/3 of iron or steel; conductive properties, its good electrical properties and is widely used in lighting and welding industry; has good weldability and workability. Heavy alloy is mainly used in aerospace, aviation, military, oil drilling, electrical instrumentation, medical and other industries, can also be used to make a variety of anti-radiation shielding components. Currently heavy alloy belongs to the most important military-industrial applications.


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