Supermicro tungsten powder is a kind of tungsten powder with fine grain size. It has the advantages of uniform structure and good plasticity, and is usually prepared by ultrasonic spray drying method. There are many methods for preparing ultrafine tungsten powder, and spray drying is an important one. The preparation of precursor powder by spray drying method has many advantages, such as simple process, no pollution, uniform composition, etc., suitable for mass production.Spray drying method which is also called thermal…

The color of fine particle tungsten powder is light grey or dark grey, uniform appearance, high quality and the characteristics of high purity tungsten content is above 99.95%, impurity content, granularity and there will not be a coarse or fine phenomenon, is mainly used as raw material for tungsten contact, high gravity tungsten alloy and tungsten bar. Fine particle tungsten powder is greater than surface area, high chemical activity, on the surface of the powder particles under the effect of moisture…

Doped tungsten powder is initial materials made of tungsten products, is tungsten powder doped with a certain amount of K, Si, Al oxide, tungsten powder adding rare earth element can obtain high temperature and room temperature properties are excellent doped tungsten products, used in the production of tungsten bars, tungsten bars, tungsten molybdenum alloy, tungsten alloy, etc. Rare earth elements promote the increase of potassium content in tungsten powder. The addition of rare earth elements can make tungsten oxide reduction…

Superfine spherical tungsten powder has the advantages of fine grain, good fluidity and good mechanical properties. It is widely used in manufacturing precision tools, precision molds and wear-resistant parts. Characteristic Superfine spherical tungsten powder has a fine grain size (< 0.5mm), good fluidity, high hardness, abrasion resistance, red hardness and high toughness. Application Superfine spherical tungsten powder is the raw material of high quality X-ray tube tungsten target and thickness of tungsten foil. It is also the raw material for…

Submicron tungsten powder can improve the strength and toughness of materials, reduce the metal plasticity and brittle transition temperature, and greatly improve the properties of metal and alloy. Moreover, if the particle size distribution of submicron tungsten powder is very narrow, the sintered material will remain fine grain, which has a great influence on the mechanical properties of the material. Application Submicron tungsten powder has a broad market prospect and has become an indispensable material in many high-tech fields, such…

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…