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Emerging Development Areas of Nanodiamond

wallpapers Industry 2020-08-11

1. Nanodiamond is added to lubricating oil and coolant

The nanodiamond application in lubricating oil, grease, and coolant is mainly used in the machinery industry, metal processing, engine manufacturing, shipbuilding, aviation, transportation. Adding nanodiamond to lubricating oil can increase the working life of engines and transmissions and save fuel Engine oil. The friction torque is reduced by 20-40%, and the friction surface wear is reduced by 30-40%. 1000 kg of engine oil consumes 0.1-0.2 kg of nanodiamond. The nanodiamond application in lubricants must solve the problem of stable suspension, which has been solved by companies.

2. Nano diamond-polymer composite

Nanodiamond polymer composites are used in aviation, automobiles, tractors, shipbuilding, medical, chemical, petrochemical, globe valves, protective coatings, and wear-resistant coatings. Fluoroplastic rubber and polysiloxane-based high-efficiency coatings have been developed Layer. The elastic strength properties of thee polyisoprene rubber, styrene-butadiene rubber, nitrile rubber, and natural rubber have been greatly improved. Adding nanodiamond to rubber can reduce wear by an average of 2 to 4 times, increase fracture resistance by 30%, and enhance Destruction temperature 15%.

Epoxy resin glue containing nanodiamonds has higher adhesion and cohesion. The addition of nanodiamonds to the polymer can improve its strength, wear-resistance, and thermal aging resistance. 1000 kg of rubber (polymer) consumes nanometers Diamond 1~5kg, 1000m2 polymer coating consumes one~5kg diamond.

3. Sintered body

In the abrasives field, nanodiamonds are mainly used to mix with transition metals to produce high-strength and low-porosity diamond sintered bodies. Its micro-hardness can reach 6000~7000kg/mm2. It can be used to the process soft or brittle materials with very high surface roughness. Low. Suppose pre-epitaxially has grown carbon or adds static pressure synthetic diamond powder. In that case, the diamond polycrystal microhardness obtained by sintering under the pressure of 10~12GPa can reach the level of the natural diamond single crystal. The high strength rock formation can reach or Exceeds the performance of CB-СП (Russia) polycrystalline. When compressing the diamond micro powder synthesized by static pressure, using nanodiamond as the component of the silicon impregnation material can almost double the yield of the sintered body. The compressive strength is 1.7GPa Increased to 2.2GPa. This sintered body is used as a cutting element for drills.

4. Magnetic recording system

Nanodiamonds can also be used in magnetic recording media such as magnetic tapes and magnetic disks, acting as wear-resistant additives and environmental modifiers. Nanodiamonds are added when electrochemically coating composite magnetic recording films to improve the performance of magnetic recording devices. Add nano Diamond can reduce ferromagnetic material particles, increase recording density, reduce abrasive wear, and friction coefficient.

5. Add to intermetallic compound

Copper, tin, and zinc intermetallic compounds containing nanodiamonds can be used as friction parts under very harsh working conditions. At this time, plastic and liquid lubricating materials are often extruded. Nanodiamonds are ideal component materials for copper-zinc or copper-tin alloys ( The content does not exceed 15% by volume). After adding nanodiamond, the friction is reduced to 1/2~1/6.

6. Medicine

Nanodiamonds can also be used in medicine to treat tumors, gastrointestinal diseases, and skin diseases. It is non-toxic, non-carcinogenic, or rusty. Nanodiamonds are super active adsorbents and bioactive substances locating agents, which can significantly enhance drugs Efficacy.

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