Graphene-like Two-dimensional Material: Tungsten Disulfide
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- Category: Tungsten Information
- Published on Thursday, 30 April 2020 10:00
- Written by Yahong
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Tungsten disulfide is a new type of graphene-like two-dimensional material, which has great application potential in electrical devices, energy, biology and composite materials.
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How to Prepare Tungsten Disulfide Nanoparticles?
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- Category: Tungsten Information
- Published on Thursday, 30 April 2020 09:59
- Written by Yahong
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How to prepare tungsten disulfide nanoparticles? At present, the flower-shaped WS2 nanoparticles are mainly prepared by hydrothermal method. While this method has the disadvantage of low yield, which is not conducive to mass production. So, some experts have proposed a simple process - high temperature vulcanization method - to prepare flower-shaped WS2 nano particles. The high purity WS2 nano particles are prepared by this method with low cost and high yield, so it is expected to be used in large-scale industrial production.
Tungsten Disulfide Lubricant
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- Category: Tungsten Information
- Published on Thursday, 30 April 2020 09:56
- Written by Yahong
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Tungsten disulfide lubricant, which is made from solid tungsten disulfide (WS2), lubricating oil and other components, has a wide temperature range, excellent anti-extreme pressure performance, anti-corrosion performance, anti-radiation performance and other comprehensive performances, so that it can fully meet the demanding use requirements, such as high temperature, vacuum environment and large load. Also, such a lubricant can be used to lubricate various mechanical equipment in corrosive environments where requiring increasing load and decreasing friction coefficient.
Tungsten Disulfide Catalyst
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- Category: Tungsten Information
- Published on Thursday, 30 April 2020 09:57
- Written by Yahong
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Tungsten disulfide catalyst has excellent dispersibility and catalytic activity in both polar and non-polar catalytic reaction systems. Some experts formulate the tungsten source, sulfur source, reducing agent, ionic liquid and deionized water into the initial reaction mixture in a certain order and method, and then crystallize it under hydrothermal conditions in a sealed high-pressure reactor. After filtering, washing and drying the crystallized product, a tungsten disulfide catalyst is obtained.
Tungsten Alloy Underwater Bullet
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- Category: Tungsten Information
- Published on Wednesday, 29 April 2020 19:39
- Written by Yahong
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Tungsten alloy underwater bullet is a specially designed tungsten alloy bullet with large aspect ratio and excellent performance for applications of underwater rifles and underwater submachine guns. It means that the warhead of the tungsten alloy bullet for underwater firearms is slender, and therefore its effective range is far from that of ordinary bullets. Tungsten alloy warhead of such a bullet looks like a needle.