Violet tungsten oxide its phase component is WO2.72 (or W18O49), which is in one of tungsten oxide, abbreviated as VTO, is a finely crystalline powder purple, the color is generally rendered purple or blue-purple. It is under the precise control of temperature reduction state to APT as raw reaction in an argon atmosphere, and then the purple tungsten oxide oxygen, made purple tungsten. Purple tungsten tungsten oxide has several other different forms and structures with other tungsten oxide, it is a strong octahedral structure, showing the natural crystalline needle and rod form a bridge between each other, the particle distribution is more loose, its surface area, the average size and bulk density is smaller than blue tungsten, oxide and yellow tungsten oxide. So the performance of violet tungsten oxide has a big difference with others. However also because of its unique structure, so when preparation fine tungsten powder and tungsten carbide fine powder it has many advantages such as production speed and fine-grained and so on. So the violet tungsten oxide is widely used in science and technology and industrial areas.Its main composition and physical characteristics are as follows:

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NANO Tungsten oxide are important semiconductor material, in the field of information storage, color windows, fuel cells, chemical sensors have a wide range of applications, it has become one of the materials currently the most potential for development. Size and morphology of nano-materials is essential to their application, and therefore the preparation of different forms of research WO3 nano materials, nano-WO3 explore effective ways to control the particle size and morphology, to promote the industrial application of nano WO3 material is important. Ultrasound is an effective method of chemical-specific nano materials can be produced. Using the method of ultrasonic nano-materials used mainly ultrasonic spray method, a metal-organic thermal decomposition method, ultrasonic - chemical precipitation, ultrasonic - electrochemical and laser ultrasonic method. It can be easily prepared by a variety of inorganic nano-materials, such as nano-metals, metal oxides such as the use of ultrasonic chemical method. It is a physical method and chemical method to combine the convenience of a safe and effective technique, developed as a synthetic material, an important method of treatment. It has aroused great interest and attention.

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Tungsten Rings as having a high brightness, resistance to wear jewelry in the increasingly popular, its size has different standards at the international level, as shown below.

People from different countries can control the size of their own finger ring size measurements were selected according to the dimensions shown in the table.


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Tungsten Rings can be divided according to the different styles of tungsten steel inlay zircon ring, black tungsten rings, tungsten steel lettering rings, tungsten rings and other gold-plated steel.
Tungsten steel inlay zircon ring that is performed on the tungsten steel ring zircon mosaic processing, zircon is a natural gemstone, with different colors, such as black, white, orange, brown, green or colorless and transparent so. Colorless, transparent zircon resembles diamonds, diamonds good substitute, but the price is relatively low.
Black tungsten steel ring, that surface plated black tungsten steel ring, is a very suitable for men's rings, simple style atmosphere.
Tungsten steel lettering ring, that ring surface lettering process, generally as a custom style, engraved specific content, so that ring more meaningful and unique.
Gold-plated tungsten steel ring, that ring surface gold-plated processing, improve the value of the ring while the ring more ornamental.



 

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Tungsten steel keychain design elegant flowing lines, and some unique design keychain can be customized lettering or simply patterning process on key chains, car owners like in the car with the key ring engraved with the car's trademark or license plate number, there are like engraved greetings, name, date of birth etc. are used as a gift for friends and family, but also a unique keychain more meaningful thoughts.


 

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Tungsten steel key ring with high brightness, resistance strengths and wear simple and elegant design, as car owners really like tungsten steel keychain key ring as the car, even though I usually use, tungsten steel key ring is also easy to wear and can maintain luster.


 

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Tungsten steel jewelry with its second only to diamond in hardness and do not fade, do not wear advantage, in recent years more and more people are Italian. Tungsten steel tungsten steel jewelry earrings as one, also has high hardness, wear resistance, do not fade, and hypo-allergenic advantage, so many people would choose to wear earrings tungsten steel, because it is not prone to allergies. Tungsten steel earrings also has high brightness characteristics, after long-term wear, but also to maintain good gloss and will not fade. Advantages of high hardness tungsten steel earrings easy to wear.
The following is a diagram showing tungsten steel earrings:



 

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Tungsten steel strap, is a tungsten, nickel, cobalt and other materials by powder metallurgy production, plus after polishing the surface grinding and other post-processing is made, although tungsten steel bracelet with wear and high brightness characteristics, but also the daily need to pay attention to maintenance and cleaning. - Slightly modified the first paragraph, do not exactly.

Maintenance tips:
You can use warm water and soap mix everyday common items, hand soap and detergent and other cleaning, we need to avoid the use of ammonia, bleach, chlorine and jewelry cleaning solution.
On the outside with a cloth to wipe tungsten steel strap, the strap can also be directly immersed in the cleaning solution.
Do the diamonds scratching, so strap exterior damage, because diamond is harder than tungsten steel, tungsten steel strap placed together words may scratch the surface of the pendant.
Do not wear the best long-term exposure to acid, alkali substances, in order to maintain good gloss. It recommends hot springs, make-up, a large number of sweating, take off the watch to keep cool.

 

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Tungsten steel strap, made of tungsten, nickel, cobalt and other materials by powder metallurgy production process, the surface finish is made simultaneously grinding and other post-processing become the fashion jewelry and tungsten steel strap wear due to high brightness characteristics, accessories industry increasingly popular.

Features and Benefits: 
High brightness: Compared with titanium and ceramic material, the surface can be polished, brighter.
Corrosion: resistant to acid, alkali, salt and perspiration, prolonged use will not rust.
Wear resistance: resistance to wear: hardness between 8.9 - 9.1, 18K gold is 10 times, four times titanium, and easy to wear.
Hypoallergenic: Wear safety, hypoallergenic.

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The general category of wood can be divided into three types, natural state wood, cured wood and wood-based composite materials. Within each category and between different types, the mechanical, physical, compositional and structural of wood are varied and which means each wood type displays its own unique wear characteristics. In terms of reasons caused of blunting by the tool piece and machine conditions,  cutting speed and the loading as two of the important factors needed to be addressed. They make impact in factors like the machine vibrations, the type of chip formed, frictional forces and the surface finish of the wood. Depending on the cutting and wood conditions, some of the wear mechanisms may become rate controlling. For example, it has been shown that the chemical attack by the wood acids accelerate the degradation process, whereby the cobalt binder phase is preferentially removed from the hardmetal matrix thus subjecting the exposed carbide grains to increased mechanical wear.


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