Refractory metals are referred to metals with melting points over 3632°F and certain amounts of reserves, including tungsten, tantalum, molybdenum, niobium, hafnium, chromium, vanadium, zirconium and titanium. Usually, refractory metals have great densities and weigh heavily. With refractory metal as the matrix, the alloys added with other elements are called refractory metal alloys, including tungsten […]
Refractory materials, such as refractory metals, alloys, compounds, and composites, have always been developed as high-tech materials due to their unique high melting point and some other unique properties and occupy an important position in the national economy. For example, cemented carbide with WC as the hard phase has become the “Tooth” of modern industry, […]
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