Adiabatic shear is under high strain rate loading conditions of material deformation and fracture of a special mechanism, adiabatic shear band is the material or component of shear strain highly concentrated narrow area. Adiabatic shear deformation localization in a wide variety of metal suffered explosions, penetration, high-speed collision, such as high-speed cutting and abrasion during deformation, after the pre-tungsten alloy tungsten grain deformation reverse direction with the maximum shear stress direction close to the bomb target impact process in favor of adiabatic shear deformation and shear failure occurs. Therefore, to improve the performance of adiabatic shear tungsten alloy material to enhance the performance of tungsten alloy rod projectile penetration is currently one of the hotspots.

For half a century, tungsten alloy rod bomb adiabatic shear deformation studies, mainly in three aspects: first, starting from the constitutive relation tungsten alloy, establish adiabatic shear deformation localized instability model; second from microstructure, structure starting to explore the microstructural characteristics of the organization and its nucleation and micro factors grew up; third, using computer numerical simulation of the evolution of adiabatic shear band and should stand the strain and temperature fields research.


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The development of tungsten alloy penetrators materials has made considerable progress on technology, but there are still some drawbacks. So it  need to study tungsten alloy penetrators in depth :

1: Increase research utilization, scientific environmental aspects of the recovery of tungsten alloys. Strengthen missile recycling tungsten alloy and tungsten scrap cuttings and low raw consumption technology research and development.

2: Strengthening research on tungsten alloy penetrators performance and insulation piercing sensitivity aspects. Armor-piercing shells performance is the most important performance indicators tungsten alloy, relatively few studies in this respect, especially playing board study of the mechanism of action is not deep enough, should also strengthen research adiabatic susceptibility tungsten alloy materials.

3: Research to improve air defense missile systems and armor-piercing capability of damage, enhance the tungsten alloy brittle material and wear Bouncing burning complex functional elastomer material.

4: High Strength Composite armor-piercing tungsten is an important development direction of future ultra high-speed kinetic energy penetrators should be further strengthened with ultra high-speed kinetic studies tungsten penetrator projectile beam composite materials, targeted to carry out bomb with a tungsten alloy corrosion protection technology research.


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Kinetic energy penetrator armor-piercing capability (speed, quality) and artillery material determines their physical properties when the shells hit the target. The kinetic energy depends on the speed and quality at speeds in certain circumstances, be increased to increase the quality of artillery projectile kinetic energy penetrators therefore generally made ​​of high density, hard, high temperature metals. At present the material more widely used is tungsten alloy and depleted uranium, but because depleted uranium has a radiation, so use less.

Promote the progress of science and technology to gradually increase the power of the penetrator. In evaluating the piercing armor-piercing capability, the standard is much more commonly used military homogeneous steel armor piercing mm depth equivalent. In World War II, the most famous German 88MM gun fired projectile can penetrate 200MM homogenous steel armor. Currently, tungsten alloy penetrators German L55120MM caliber tank gun fired homogenous steel armor can breakdown 810MM on the 2000M distance; in China, 99 tanks equipped with a tungsten alloy penetrators 125MM artillery fired on with a 850 mm armor-piercing capability same distance.




Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
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Fishing beads can be as an attractor or be a component of the rig when you are fishing.

Fishing beads can be made from plastic, brass, lead, tungsten and so on. And they come in many different colors.

There are also luminous beads made of plastic which glow in low light when the water you are fishing has low visibility to attract fish.

However, tungsten alloy fishing bead becomes more and more popular because of its good properties.

Tungsten fishing bead is made from tungsten alloy, so some peple call tungsten alloy fishing bead as tungsten fishing bead.





Tungsten Alloy Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-alloy.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email:  sales@chinatungsten.com
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