A spacecraft has made its first "contact" with the sun

NASAs Parker Solar Probe reached the suns expanding atmosphere, known as the corona, and stayed there for five hours. This spacecraft is the first to enter the outer boundary of the sun. This marks the realization of the primary goal of the…

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Spacecraft Bearings, Exploring the Reused Parts of the Universe

Aviation refers to the navigation activities of aircraft in the atmosphere of the earth. In the long years of conquering nature, humanity has long had the desire to soar in the sky and travel the universe. In an era of low productivity and s…

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What is Boron carbide? Boron carbide , also known as Black Diamond, is an inorganic form. The chemical form is B₄C. It is one of the three hardest materials known (after diamond and cubic boron nitride) and is used in tank armor, bullet-p…

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Nitinol features and memory features principle

What is nitinol? Nitinol is the general term for alloys of near equal atomic weight NiTi. In 1958, William J. Buehler and Frederick Wang of the United States Naval Laboratory invented a group of engineering alloys with a unique shape memory…

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3D Printing Aluminum Based Alloy AlSi7Mg Powder

AlSi7Mg is a heat-treatable aluminum alloy widely used in the manufacture of lightweight functional components in the automotive and aerospace industries.Purity: 99%Particle Size: 0-45μm, 0-53μm,15-45μm, 15-53μm, 45-105μm…

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