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Spherical micron tungsten powder has the characteristics of isotropic and good dispersibility, is beneficial to get a close packing body, and has the pore structure is easy to maintain, in the process of sintering shrinkage and advantages of the grain growth is slow, is widely used in the cathode emission, porous materials and microcrystalline hard alloy and other fields. Thermal plasma technology is an effective method for the preparation of spherical tungsten powder, the spherical tungsten powder system has the…

Plasma spherical tungsten powder is a kind of spherical tungsten powder prepared by high frequency induction plasma torch, which can be used for making porous tungsten parts and rocket nozzle bushing.Application The powder metallurgy compaction made of plasma spherical tungsten powder is very uniform during sintering process and can achieve good size control. The rocket nozzle bushing with plasma spherical tungsten powder has good anti-fracture and corrosion resistance under thermal stress. In plasma preparation of porous spherical tungsten powder, tungsten…

Spray spherical tungsten powder is widely used in the field of thermal spraying, which not only has good fluidity, but also has a more uniform and compact coating, so the product has better wear resistance.Plasma melting spheroidizing technology is considered to be one of the most effective means to obtain compact and regular spherical tungsten powder. Radio frequency induction plasma has high energy density, high heating intensity and large plasma torch. Since it has no electrodes, it will not pollute…

Appearance of spherical tungsten powder is spherical, compared with ordinary tungsten powder, has good powder flow and high density of vibration, is widely used in thermal spraying, porous materials and powder metallurgy industry. Characteristic The appearance is as grey as ordinary tungsten powder and is observed under a microscope or under a scanning electron microscope as a spherical or quasi-spherical shape. The average particle size is between 5 and 10 u m, and its granularity is easy to control. The…

Spray tungsten powder is the crystal tungsten powder after spraying, which is applied to surface spraying, with high purity, high surface hardness, good grit, good toughness, low oxygen content, wear resistance, corrosion resistance and so on. Application Spray tungsten powder is mainly used in surface coating, oil perforating, hard facing materials, high temperature resistant coatings, high temperature combustion chamber spraying coating and other wear-resistant coating, high temperature resistant parts, intermediate frequency furnace tungsten crucible coating.Preparation According to the special performance…

The appearance of coarse crystalline tungsten powder is steel gray. It is often used in the coating materials of wear resistant, high temperature resistant parts and diamond nesting materials. Features Coarse crystalline tungsten powder has fine particle size, uniform particle size, good fluidity, high density and density. Characteristic Coarse crystalline tungsten powder has fine particle size, uniform particle size, good fluidity, high density and density. Preparation Use blue tungsten oxide as raw materials, adding alkali, the mixing, in molybdenum wire…

Crystal tungsten powder is the biggest coarse tungsten powder of tungsten powder, good liquidity and container filling, its appearance is light gray, can be used as mining machinery tool material, and manufacturing of oil drilling tools, diamond bit matrix material.Best physical performance: Powder particle size is uniform, screen size +60 mesh is less than 2%, -325 mesh is less than 10%; Good liquidity, hall velocity is less than 12s/50g; Corrosion resistance, oxygen content is less than 0.05% (quality score), and…

Pure tungsten powder is a kind of tungsten powder with high purity. It has strict requirements on impurity content, and can be made into silk, rod, tube, plate and other processed materials and certain shape products. Arsenic and tin is a trace impurity elements in pure tungsten powder, its content is a control index for tungsten powder purity, using graphite furnace atomic absorption spectrometry, sensitivity, good accuracy, quick and easy.In order to control the impurity elements in pure tungsten powder,…

Tungsten metal powder is a kind of tungsten powder with high purity, good fluidity, coarse particle size and low oxygen content. Raw material of production The main raw material of tungsten metal powder is the blue tungsten or yellow tungsten, single blue tungsten compared with yellow tungsten has particle morphology, complex, large specific surface area, easy to restore and easy control of powder particle size, etc. And it has good chemical activity, and has the ability to exchange ions rapidly…

Coarse tungsten powder is a coarse-grained tungsten powder compared with other grain size. It is a raw material of crude tungsten carbide, with a purity greater than 99.9%. Application The coarse tungsten powder with uniform grain size is the raw material for producing coarse tungsten carbide. The more coarse the tungsten carbide particles are, the more coarse the coarse tungsten powder should be. Tungsten carbide particle size first determine the size of coarse tungsten powder, the temperature and other conditions…