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Vacuum heat treatment is a process of heating and cooling metals or alloys under high vacuum or protective atmosphere, and is often used to improve the mechanical properties, dimensional stability and surface quality of materials. Compared with traditional heat treatment methods, it has significant advantages, such as preventing oxidation and decarburization, improving treatment cleanliness, reducing heat treatment deformation, etc., so it is widely used in aerospace, precision instruments, mold manufacturing and high-end electronics industry. As a key component for carrying…

In the field of modern high-end manufacturing, superalloys are widely used in aerospace, gas turbines, nuclear industry and high-temperature chemical industries due to their excellent high-temperature strength, oxidation resistance and corrosion resistance. In order to prepare superalloy materials with excellent properties, uniform structure and stable composition, processes such as melting, alloying, casting and refining are often required at extremely high temperatures. Tungsten crucible, as a metal container with extremely high melting point and excellent chemical stability, has become an indispensable…

With the continuous development of nuclear energy technology, the requirements for thermal stability, corrosion resistance and structural integrity of materials under extreme conditions are increasing, and tungsten crucibles have become one of the important containers for the processing and research of highly radioactive materials, molten nuclear fuel, high-temperature structural materials and radioactive waste due to their excellent physical and chemical properties. First of all, tungsten is characterized by its extremely high melting point of 3410°C, which is one of the…

With the rapid development of semiconductor technology, the requirements for material purity, structural stability and preparation process are increasing. Due to its excellent physical and chemical properties, tungsten crucible occupies an extremely important position in the preparation of semiconductor materials, especially in key processes such as high-temperature crystal growth, smelting, and vapor deposition. Tungsten is a metal with an ultra-high melting point of up to 3410°C, second only to tantalum and rhenium among all metals. This allows the W crucible…

As an important high-temperature refractory metal vessel, tungsten crucible is widely used in various high-temperature experiments, especially in the fields of materials science, metallurgical engineering, semiconductor manufacturing and nuclear energy technology. Due to its extremely high melting point, good thermal stability, excellent mechanical strength and low vapor pressure, crucibles made of tungsten can remain structurally intact and chemically stable in extremely high temperature environments, making them one of the ideal materials for high-temperature laboratory vessels. First of all, the most…

Tungsten crucible, as a high-temperature container made of high-purity tungsten material, plays an irreplaceable key role in the field of rare metal smelting due to its excellent high temperature resistance, chemical stability and mechanical strength. With the continuous expansion of rare metal applications, such as aerospace, semiconductors, special alloys and new energy materials, its importance in high-temperature smelting is becoming increasingly prominent. Tungsten has an extremely high melting point, one of the highest of any known metal. In the process…