High-Quality Low-Cost Single Tungsten Disulfide Realize a Large-Area Preparation I
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- Category: Tungsten's News
- Published on Tuesday, 02 February 2016 17:35
- Written by xinyi
- Hits: 666

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Rare Earth Symposium will Be Held Soon, Attention on Rare Earth and Tungsten
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- Category: Tungsten's News
- Published on Monday, 01 February 2016 18:11
- Written by xinyi
- Hits: 1086
Last week, nine tin enterprises in the country decided cut back production of 17,000 tons in 2016, which take place about 12% of national yield. It’s expected that it doesn’t exclude the possibility of purchasing and storage business in the future, reduction of output and purchasing and storage tin supply and demand situation is expected to improve.
Read more: Rare Earth Symposium will Be Held Soon, Attention on Rare Earth and Tungsten
Tungsten Diselenide-Thin Flexible Solar Cells Material
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- Category: Tungsten's News
- Published on Monday, 01 February 2016 16:00
- Written by yiping
- Hits: 604

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MIT Scientists have Developed an Improved Tungsten Wire Light Bulbs
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- Category: Tungsten's News
- Published on Monday, 01 February 2016 16:04
- Written by yiping
- Hits: 780
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“Embarrass” of Tungsten Carbide Ball for Pen Using
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- Category: Tungsten's News
- Published on Tuesday, 26 January 2016 16:56
- Written by xiaobin
- Hits: 780
It is reported that China has become the largest country of pen manufacture. However, in the back of a string of prides, such as 3,000 the enterprises, 200,000 employees, 40 billions of annual output, it still has the lack of core technology and highly depends on the bead import. Some related experts consider that the nib and the ink are the major parts of the pen, and the nib can be specifically divided in to the bead and the ball seat. At the present, tungsten carbide (WC) ball is the most widely used in the world, which China can not only meets the domestic needs, but also can be exported plenty. In addition, tungsten carbide ball for pen using can be specifically divided into WC-based cemented carbide, WC-TiC-based cemented carbide, Tic-based cemented carbide, Cr3C2-based cemented carbide and so on. WC-based cemented carbide is the most widely using for pen, although different basis of ball has different advantages and properties. Therefore, according to different ink and the material of nib, we should choose the proper ball and it can improve the quality of production.
While the production of the ball seat, either the equipments or the materials are mastered by Switzerland, Japan and other countries. “The small nib by traditional process requires more than 20 procedures, which should be manufactured separately”, Chen said, the honorary president of China Writing Instrument Association. So domestic pen manufacturers start to use the integrative production facility of other countries, and it has high demand on the raw materials, which domestic stainless steel wire is not suitable. Besides, the pen also has 5 grooves of ink flowing, which the precision should reach one of a thousand of millimeters and any deviation of the angle, the pressure, the bead, the nib and the ink grooves will have an effect on the fluency and the service life of the pen. Therefore, China allocated nearly 60 million to support the relevant research institutions, enterprises for the manufacture center of the ink, stainless steel wire tip, machining equipment to carry out scientific and technological research. However, acceptance of new technology and equipment business also requires a process, in order to remove this “embarrass”, we should find some way to increase the promotion of new technologies.
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