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Rhenium has been discovered for almost a century, but it is still an unfamiliar element to most of us. It ranks 75th on the periodic table of the chemical elements and is the most recently discovered natural element. Rhenium is a silver-white metal with little natural content. Rhenium is less abundant in the earth’s crust […]
Tungsten is the most heat-resistant metal, and it has the highest density and strength of refractory metals. Tungsten alloys with alloying elements have good wear resistance, corrosion resistance, electrical conductivity, and thermal conductivity. The mechanism design and safety performance of aerospace equipment are closely related to the physical, chemical and mechanical properties of the materials […]
Rhenium is added to high-temperature superalloys that are used to make jet engine parts, using 70% of the worldwide rhenium production. Another major application is in platinum–rhenium catalysts, which are primarily used in making lead-free, high-octane gasoline. Nickel-based superalloys have improved creep resistance with the addition of rhenium. Alloys normally contain 3% or 6% rhenium. […]
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