What are the Advantages of Spherical Tungsten Carbide Powder for 3D Printing

As the world deals with potential supply shortages, oil prices are soaring again, with more dramatic spikes and sudden drops expected.

For consumers, that means more expensive gas for longer - prices at the pump remain above $4 a gallon. For the economy, that means more inflation. In addition to the pressure on consumers, any business that relies on oil -- from airlines and truck drivers to chemical companies and plastics producers -- will face higher costs.

Mr Pickering estimates that 2m to 3m barrels a day of Russian oil shipped by water are frozen out of the market with no direct buyers. Due to the soaring oil price, the price of the Spherical Tungsten Carbide Powder in the chemical industry will also be greatly affected. He said China and India are continuing to buy Russian crude. "I'm sure there will be others willing to take on more over time," he said. Mr Pickering said he did not expect oil to return to $130 a barrel, but added that it could happen. Francisco Branch, head of commodities and derivatives at Bank of America, said the US market was ready for cyclical price spikes and price swings in the Spherical Tungsten Carbide Powder.

As a typical representative of refractory metal carbides, spherical tungsten carbide powder is suitable for 3D printing and can produce higher quality cemented carbide products.

3D printing, also known as additive manufacturing, is the latest rapid prototyping device using technologies such as light curing and paper lamination. The biggest difference from ordinary printers is that the printing material can be liquid or solid powder. With the development of science and technology and the needs of popularization and application, the use of rapid direct prototyping to manufacture metal functional parts has become the main development direction of rapid prototyping.

Compared with traditional production methods, additive manufacturing technology has the characteristics of shorter production cycle, higher product precision, and individualization. In addition to being suitable for the manufacture of rapid prototyping small batch non-standard parts and heterogeneous material assemblies, metal 3D printing is also suitable for forming traditionally difficult parts, such as carbide tools, molds, structural parts, geological mining tools, etc.

Cemented carbide is an alloy material produced by powder metallurgy with tungsten carbide as the hard phase and cobalt, nickel, iron, copper and other metal elements as the bonding phase. It has high melting point, high strength, high hardness, good Red hardness, wear resistance, high temperature resistance and other characteristics, so it is widely used in extreme environments such as high temperature, high pressure, and high impact. However, alloys have very poor machinability due to their high hardness and high melting point.

The researchers used 3D printing technology to manufacture cemented carbide, which can effectively solve the problems of fracture, expansion and deformation of products made by traditional production methods. However, additive manufacturing technology has high requirements on the comprehensive performance of raw materials, and spherical tungsten carbide powder must be used, because it has the advantages of smooth surface, uniform particle size distribution, and high fluidity, which is the premise of smooth powder feeding and uniform powder distribution for 3D printers.

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New Delhi: India's Oil Ministry recently conveyed its intention to five national oil companies including Indian Oil Corp and Bharat Petroleum Resources LTD to assess the possibility of buying shares in Russian oil projects sold by European and American oil majors.  

Bp announced it would give up its 19.75% stake in Rosneft, the Russian oil company.  ExxonMobil said on March 1 that it would exit about $4 billion in assets and terminate all of its Russian operations, including the Sakhalin-1 project in Russia's far East.  

India's oil ministry has asked the overseas investment arm of India's Oil and Gas Corporation to consider buying ExxonMobil's 30 percent stake in the Sakhalin 1 project in Russia's far East. ExxonMobil is the operator of the project and Indian companies already have a 20 percent stake in the project.

Because of the ever-changing international situation, the supply and prices of international bulk Spherical Tungsten Carbide Powder are still very uncertain.

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