The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's economic slowdown, the report said. China's economic growth is expected to fall to 5.1% in 2022, close to potential growth, due to the ongoing impact of the COVID-19 pandemic and the Chinese government's tightening of regulations in certain sectors of the economy. The report said that the rapid spread of the Omicron variant means that the new crown epidemic is likely to continue to disrupt economic activity in the near future. In addition, decelerating growth in major economies, including the United States and China, will depress external demand in emerging markets and developing economies.
Slow economic growth has a huge impact on 3D Printing Metal Powder.
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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Russia's Rokot-M carrier rocket is scheduled to launch for the first time in 2024.
The first launch of the Rokot-M carrier rocket is planned for 2024 from the Plesetsk cosmodrome, the general manager of the Khrunichev National Space Research and Production Center told TASS. The Rokot-M, a lightweight carrier rocket powered by liquid fuel, began development in 2018, with The Russian side using domestic components instead of Ukrainian components.
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