Refractory Metal Powders VS 3D Printing Technology 3D printing technology is also called additive manufacturing, and the metal devices produced by this technology are somewhat similar to the powder gold treatment technology we currently use, all of which are built on metal powder, and the difference is that the material powder is not bonded by […]
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What Refractory Metals Are Commonly Used in Vacuum Systems? Refractory metal refers to metals with a certain reserve and a melting point that is higher than 1650 ℃. Refractory metals include tungsten, tantalum, molybdenum, niobium, hafnium, chromium, vanadium, zirconium, and titanium. Rhenium also has a high melting point, but its reserves are too small, and […]
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The Discovery of Zirconium In this article, we will take a look at the discovery of zirconium. The naming of zirconium is based on zircon. As early as a few centuries ago, zircon has been used as jewelry. The Bible said that zircon is one of the 12 kinds of precious stones worn by the high […]
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Why Is Zirconium A Transition Metal? When of sufficient purity, zirconium is soft and ductile. Zirconium a transition metal has good corrosion resistance and low absorption capacity for thermal neutrons. These properties are desirable in materials used for certain parts of nuclear reactors. The great increase in the production of zirconium since 1945 has been […]
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What Hafnium Is Used For? Hafnium occurs in zirconium ores. Because this metal must be removed from “reactor-grade” zirconium, the production of hafnium is largely dependent on zirconium production, as discussed later. Its melting point is 4032℉. However, it has not been available in sufficiently large quantities to have any extensive elevated-temperature applications other than […]
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What Can Rhenium Be Used For? Rhenium is classified as a scarce refractory metal. It has the second-highest melting point of any of the metals and has a relatively high density. Rhenium is produced as a powder from molybdenite, which also contains rhenium sulfide. The rhenium powder is consolidated by pressing and resistance sintering in […]
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How Does Chromium Work? In this article, we will take a look at how chromium works. The melting point of chromium is the lowest of the abundant refractory metals, but it is more than 700 degrees above that of iron. The density of chromium is slightly less than that of iron. At elevated temperatures, it […]
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Why Is Vanadium A Transition Metal? The melting point of vanadium is about 1000 degrees lower than that of columbium, so there is much less interest in vanadium for high-temperature applications than in abundant refractory metals. Pure vanadium has only recently become available in quantities large enough for thorough studies of its physical and mechanical properties […]
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What Is Niobium Used For In Everyday Life? Niobium has a melting point of 4474℉, which is 256 degrees lower than that of molybdenum. The development of niobium metal and its alloys for elevated-temperature structural applications was started only a few years ago, but considerable progress has been made since then. One factor that has been […]
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Will Molybdenum Combine with Other Elements? Molybdenum. As shown in Table 2, the melting temperature of molybdenum is 695 degrees below that of tantalum. Because of its high melting point and relative abundance in the United States, it was the first of the refractory metals considered in this country for high-temperature structural applications. The primary […]
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