Gold Plated Tungsten Price

Types of Tungsten Alloy Penetrators

Details: Category: Tungsten Information; Published on Tuesday, 19 August 2014 09:39; Written by yewq; Hits: 650

1.high-explosive. Is the most common high-explosive shells, or known as grenades, referred to as "HE". Mostly in the steel shell filled with high explosive detonator. After the explosives were detonated detonator, burst into a lot of heat and sharp shell shrapnel scattered at high speed. Depending on the target, high-explosive detonators can be set via a controlled detonation height, such as ground, air or in shells up to a depth of penetration of the target after the detonation, in order to achieve maximum destructive effect.

2.penetrators. Ap is the hardness of the material and the shape of the shells, coupled with the charge transfer at the time of firing the kinetic energy, in contact with the hard surface of the target to achieve the effect of the penetration destruction. In addition to anti-tank projectile can also be used against other hard targets, or use the bomb attack warships protective armor.

3.APDS. APDS is a traditional piercing enhance its destructive effects improved. APDS will really be in contact with the target warhead reduced diameter, outside sleeve made with lighter material coated on the exterior, with ordinary projectile close to the same diameter, can continue to use the existing artillery. The advantage of this is that you can use artillery projectile larger caliber, the use of more energy charge provided, focused on smaller than conventional armor-piercing warhead, improve the overall armor-piercing capability, and reduce the energy consumption during the flight. APDS is the main type currently penetrators.

4.tail steady APDS (APFSDS). Similar APDS projectile, bomb core and more by rare precious metal manufacture, possess high hardness, the biggest difference in the wing of the bomb core stability APDS tail with the tail, its function after the shooting, bomb core flying in the air attitude can shoot parabola with a straight line, after contact with the target kinetic energy penetrator tip through focused goal, that wing bomb core function is to let the air do not tumble. The main drawback is the rear wing increases drag, reducing the kinetic energy, vulnerable to side winds, lower hit rate.

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Fracture Mechanism of High Density Tungsten Alloy

Details: Category: Tungsten Information; Published on Tuesday, 19 August 2014 09:12; Written by yewq; Hits: 504

high density tungsten alloy's performance has a close relationship with its fracture mode , the fracture mode of high density tungsten alloys are four kinds: W grain cleavage, W-W interfacial fracture, W- binder phase interfacial fracture, ductile binder phase tear . W-W interfacial bonding strength of the weakest, most likely to crack. With WW interface, increased interfacial fracture mode W- bond elongation decreased, tungsten alloy steering performance from ductile fracture of brittle fracture, with the W particle cleavage fracture mode and ductile binder phase was increased tearing, alloy strength and ductility increases.

High density tungsten alloy, W-phase volume fraction, W grain size, the intermetallic compound precipitated at the interface, as well as C, H, O, N, P, Si and other impurities in the alloy segregation interface failure mode are great impact. W phase volume increases, increased interfacial contact WW, W particles increases and the interface segregation will make WW interface and W- binder phase interfacial fracture increased fragility of the alloy. Vacuum dehydrogenation to eliminate hydrogen embrittlement, and other trace elements and add La use interface solution treatment to eliminate the segregation of impurities and intermediate compounds to avoid brittle phase formation, etc., will cause the W particle phase and binder phase interfacial bonding strength enhancement, W particles cleavage fracture increases alloy strength, ductility and fracture toughness is greatly improved.

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The Factors of Tungsten Alloy Armor Piercing Fin Stabilized Discarding

Details: Category: Tungsten Information; Published on Monday, 18 August 2014 16:51; Written by yewq; Hits: 582

Rifled gun makes when fired shells itself has a high speed, thereby minimizing the effect of eliminating nutation shells, thus improving shooting accuracy, the greater the distance, the more obvious (3000 m or more). The disadvantage is the high speed part of gunpowder itself consumes energy, so rifled armor piercing fin stabilized goal setting is to reduce the rotation speed of the shells, so that the warhead gain greater momentum.

Smoothbore gun shells fired due to no rifled gun barrel shells can cause rotation, nutation effect and then the shells themselves a great impact on accuracy, so the tail smoothbore gun equipped with a tungsten alloy APFSDS set in order to be able to make shells after collide there is a rotation capacity and improve flight stability.

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Tungsten Fishing Jigs

Details: Category: Tungsten Information; Published on Tuesday, 19 August 2014 08:54; Written by Sherry; Hits: 549

Tungsten fishing jigs which compose of metal alloy sinker and a hook are one type of fishing lures and are one of most productive baits today, especially in water clarities from slightly murky to clear. Often the hook is covered by a soft and colorful body using for attracting the fish.

Tungsten fishing jigs can be used in both the fresh water and salty water, the only difference is the weight used for and it is important to be sure the weight the tungsten fishing jigs needed to sink into the water. As a general rule, often adopt the lightest jig weight if possible, because the lightest fishing jig permits you to feel the bottom and any cover it contacts. In clear water, lighter weights ranging from1/8 ounce to 1/4 ounce should be combined with light line for more effective and spinning tackle are also necessary. For murky or deep water, it needs for more dense cover and heavier jigs about 3/8 to 5/8 ounce, and can be fished on stout baitcasting tackle with heavy line. In the case of the windy day, it's hard to maintain contact with the jig to detect strikes, while it will be not the problem if blow a bow in your line and go to have a heavier fishing jig.

Tungsten fishing jigs can work in any depth of water, but generally, the deeper you fish, the heavier the jig. It takes an 8 ounces of weight to reach the bottom if the water up to 180 feet. So if you want to catch big fish, a jig with a 7/0 or 8/0 hook has more probability.

Tungsten Advantage

Lead is the commonly used material for constructing tungsten fishing jigs head as usual, but lead pollution and the appearing of environment friendly materials make the anglers adopt the latter materials for the sake of protecting our only one earth. Tungsten based alloy with the properties of corrosion protection property which is so important in the salty fishing and environment protection is more and more widely used by many anglers. And tungsten based alloy with the density ranging from 16.5 to 18.5 will be effective in the case of needing more weight in salty water or deep water, as it is possible to get more weight with smaller volume.

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High Density Tungsten Alloy Arrow Canisters Production Methods

Details: Category: Tungsten Information; Published on Monday, 18 August 2014 16:06; Written by yewq; Hits: 479

Complex shape and small size of the parts generally require machining, and a complex series of processes, it is difficult to ensure consistency of product shape of mass production, which resulted in high production costs, while the qualified rate. However, the use of extrusion and injection molding can produce complex shapes, small size and high aspect ratio, high-performance tungsten heavy alloy products.

Produced by injection molding of high-density alloy Arrow Canisters, the aspect ratio of up to 20 without distortion performance than the superior microstructure uniformity better than traditional powder metallurgy production of tungsten alloy, greatly reducing the processing operations and conservation of raw materials. While using special technology into a ball, ball diameter can be made from a variety of different balls, this small ball tactics at home and abroad has been widely used as a high momentum of anti-missile fragments, each warhead battle site can be loaded 20000 small ball, the organization uniform, accessible final part shape geometry, reducing the secondary process, saving raw materials, and reduce costs.

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