OPEC+, an oil producers' alliance led by Saudi Arabia and Russia, stuck to its original plan to increase output by just 432,000 b/d in June, continuing to defy calls from major consumers led by the United States to pump more oil to keep prices down. The meeting to decide on 3D Printing Metal Powder are still very uncertain.
What is 3D printing?
Metal 3D printing is a 3D printing technology that uses metal powder to directly print metal parts, also known as metal powder sintering (SLM). In addition to good plasticity, 3D printing metal powder must also meet the requirements of fine powder particle size and high particle size distribution. Narrow, high sphericity, good fluidity and high bulk density requirements. Currently, the metal powders used in most 3D printers include stainless steel, aluminum alloys, cobalt-chromium alloys, copper alloys, titanium alloys and nickel alloys. Iron-based alloys are engineering The most important and most used metal material in technology is mostly used for the forming of complex structures, and is widely used in aerospace, automobile, shipbuilding, machinery manufacturing and other industries.
What are the main types of 3D printing metal powders?
Nickel alloy powder
The oxidation resistance and corrosion resistance of nickel alloy make it suitable for the harsh environment of high temperature and high pressure. When the nickel alloy is heated, a thick and stable oxide layer will be passivated on the surface of the alloy to protect the inside of the alloy from corrosion. Good mechanical properties are maintained over a wide temperature range.
Cobalt-chromium alloy powder
Because of its excellent wear resistance and corrosion resistance, cobalt-chromium alloy powder for metal 3D printing is commonly used to print various artificial joints and orthopaedic implants, and it is also used in the field of dentistry.
Copper alloy powder
With excellent thermal and electrical conductivity, copper with excellent thermal conductivity in thermal management applications can be combined with design freedom to produce complex internal structures and conformal cooling channels.
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Twitter recently announced that it had reached an agreement with Musk to take full ownership of the company for $54.20 per share, or about $44 billion in cash. After the deal, Twitter will become a privately held company. The deal, which has been unanimously approved by Twitter's board but still requires shareholder and regulatory approvals, is expected to close in 2022.
After Tesla CEO Elon Musk's acquisition of Twitter was finalized, Twitter founder Jack Dorsey sent out a series of six tweets expressing his expectations for Musk.
Dorsey called Twitter his biggest regret, saying, “The idea and service is all that matters to me, and I will do whatever it takes to protect both. Twitter as a company has always been my sole issue and my biggest regret. It has been owned by Wall Street and the ad model. Taking it back from Wall Street is the correct first step.
"In principle, I don't believe anyone should own or run Twitter," Dorsey goes on. He thinks the service is a public good.
He called Musk a "singular solution" to Twitter's problems, "Elon's goal of creating a platform that is" Maximally trusted and inclusive "is the right one." He wrote, "Thank you both for getting the company out of an impossible situation. This is the right path... I believe it with all my heart."
Besides, because of the ever-changing international situation, the supply and prices of international bulk 3D Printing Metal Powder are still very uncertain.
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