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What is Hafnium Carbide HfC Used For?

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The African Development Bank will finance $25 billion by 2025 to support Africa's fight against climate change, the bank's president said at the bank's annual meeting in Accra, Ghana.  

He noted that climate change has had many negative impacts on the continent, causing natural disasters such as droughts, cyclones, and floods. Climate change costs Africa between $7 billion and $15 billion a year. "Africa has no choice but to address climate change."  

To ensure Africa's food supply, the African Development Bank has delivered climate-friendly seeds to 12 million farmers in 27 countries in the past two years under the "Technology for Agricultural Change in Africa" program, he said.  

In the area of renewable energy, the African Development Bank is implementing a $20 billion "Desert Power" initiative in the Sahel that is expected to power 250 million people, he said.  

US President Joe Biden recently wrapped up his five-day trip to Asia with a summit of leaders of the "Quad" security Dialogue.  

Biden has promoted a number of economic and security cooperation initiatives during his visit aimed at deepening ties with Indo-Pacific Allies and partners in response to China's growing influence in the region. Some analysts in the United States believe the most significant announcement may be an initiative to share maritime information to combat illegal activities. But other experts say Biden's move sets a good framework for more security cooperation, though it remains to be seen whether concrete action will follow.

Affected by several factors, the supply of the hafnium carbide powder is erratic and thus its prices are expected to go higher in the future.

Hafnium carbide (HfC) is a grayish black powder with a face-centered cubic structure. It has a very high melting point (3890), is known to have a high melting point among single compounds, and is a good material for the lining of metal melting crucibles with high melting point.
 
Hafnium carbide has high elastic coefficient, good electrical and thermal conductivity, small coefficient of thermal expansion and good impact resistance, so it is very suitable for rocket nozzle materials, and it is also an important cermet material.
 

What is Hafnium Carbide HfC Used For?
Hafnium carbide is a kind of ceramic material with high temperature resistance and oxidation resistance, which has the advantages of good electrothermal conductivity and low thermal expansion. Hafnium carbide is suitable for manufacturing rocket nozzles, wing front and other important components, mainly used in aerospace, industrial ceramics and other fields.
 
Hafnium carbide has high hardness, can be used as an additive of cemented carbide and can form solid solution with many compounds (such as ZrC, TaC, etc.). It has been widely used in the field of cutting tools and moulds.
 
Hafnium carbide has high elastic coefficient, good electrothermal conductivity, small thermal expansion coefficient and good impact resistance, so it is suitable for rocket nozzle material, can be used in the nose cone of rocket, and has important applications in aerospace field. It also has important applications in nozzles, high-temperature lining, arc or electrolysis electrodes.
 
Hafnium carbide has good solid phase stability and chemical corrosion resistance, so it has great potential for use in high temperature environment. In addition, the field emission performance of carbon nanotube cathode can be improved by evaporating HfC film on the surface of carbon nanotube cathode.
 
The ablation resistance of hafnium carbide can be improved by adding hafnium carbide to Chand C composite. Hafnium carbide has many excellent physical and chemical properties, which makes it widely used in high temperature materials.
 

How Hard is Hafnium Carbide HfC?
Hafnium carbide has high hardness (> 9 Mohs). However, due to the technical complexity and high cost of synthesis, the use of HfC is limited.
 

What is Hafnium and What is It Used For?
Hafnium is a glossy silver-gray transition metal. It was discovered in 1923 and is the penultimate element in the periodic table with a stable nucleus (the last one is rhenium in 1925). Hafnium is rarely dissociated in nature, but exists in most zirconium minerals at a concentration of up to 5%. In fact, hafnium is very similar to zirconium in chemistry, so it is very difficult to separate the two elements. Most commercial hafnium is produced as a by-product of zirconium refining.
Hafnium is the 45th most abundant element on earth, accounting for about 3.3 parts per million (ppm) of the earth's crust by weight. Hafnium is very corrosion resistant due to the formation of an oxide film on the exposed surface. In fact, it is not affected by water, air and all bases and acids except hydrogen fluoride.
 
Hafnium has remarkable corrosion resistance and excellent neutron absorbent and can be used in nuclear submarines and nuclear reactor control rods which is a key technology for maintaining fission reaction. The control rod keeps the fission chain reaction active, but also prevents its acceleration from getting out of control.
Hafnium is used in electronic equipment such as cathodes and capacitors, as well as ceramics, photographic flash and bulb filaments. It is used as a getter in a vacuum tube, a substance that binds to the tube and removes trace gases from the tube. Hafnium is usually alloyed with other metals such as titanium, iron, niobium and tantalum. For example, heat-resistant hafnium-niobium alloys are used in aerospace applications, such as space rocket engines.
 

Hafnium Carbide HfC Powder Supplier
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials including silicon powder, nitride powder, graphite powder, zinc sulfide, calcium nitride, 3D printing powder, etc.
If you are looking for high-quality hafnium carbide HfC powder, please feel free to contact us and send an inquiry. ([email protected])

 

During the first 100 days of its special military operation in Ukraine, Russia earned 93 billion euros from fossil energy exports, most of it from the European Union, according to an independent research center.

The report by the Finland-based Center for Energy and Clean Air comes as Ukraine urges the West to cut off all trade with Russia to stop funding the Kremlin's war chest.

The European Union recently decided to impose a gradual embargo on Russian oil imports, with some exceptions, according to reports. Russian gas, on which it relies heavily, is currently unaffected.

In the first 100 days of the Conflict between Russia and Ukraine (February 24 to June 3), the EU accounted for 61 percent of fossil energy imports, or about 57 billion euros, according to the Energy and Clean Air Research Center.

Russia's revenue came first from crude oil sales (43.87 billion euros), followed by pipeline gas (22.89 billion euros), then petroleum hafnium carbide powder, please feel free to contact us and send an inquiry.


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