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Tungsten Crucible Tungsten-Tantalum Alloy Crucible For High Temperature Melting Crystal Growth
1. Information Of Tungsten Crucible Tungsten Tantalum Alloy Crucible:
Tungsten crucible is a crucible used at high temperature, usually used in melting and high temperature experiments. It is made of tungsten metal, which has high melting point, high density and corrosion resistance, and its maximum service temperature can reach a high temperature of 2200°C.
2. Types Of Tungsten Crucible Tungsten Tantalum Alloy Crucible:
There are many specifications and types of tungsten crucibles, the following are some common specifications and types:
Standard tungsten crucibles: diameters ranging from 10 mm to 100 mm, usually used in melting and high temperature experiments.
Tungsten-tantalum crucible: made of tungsten metal and tantalum metal, it has better corrosion resistance and higher melting point, and is suitable for special high-temperature experiments.
Metal tungsten crucible: It is made of alloy of tungsten metal and other metals (such as molybdenum, silver, etc.), which can withstand higher temperature and stronger corrosion, and is suitable for more special high temperature experiments.
Boat-shaped tungsten crucible: It has a boat shape and is usually used in high-temperature gas-phase reaction and gas-phase diffusion experiments.
Tungsten Tube Crucible: Made of tungsten metal, it has a tubular structure and is suitable for high temperature gas phase experiments.
Tungsten core tantalum crucible: made of tungsten metal and tantalum metal, the core is tantalum metal, and the outside is covered with tungsten metal, which has better corrosion resistance and higher melting point, and is suitable for special high temperature experiments.
3.Advantage Of Tungsten Crucible Tungsten Tantalum Alloy Crucible:
1). High melting point: The melting point of tungsten crucible is 3410°C, which is the highest among common experimental crucibles at present, and can withstand extremely high temperatures, so it is suitable for various high-temperature experiments and melting experiments.
2).High Density: The density of tungsten crucible is 19.3 g/cm3, which is the highest among common experimental crucibles at present, making it very strong and able to withstand the pressure at high temperature.
3).Corrosion resistance: Tungsten crucibles have high corrosion resistance in both oxidizing and reducing environments, and will not oxidize or corrode even at high temperatures, so they are suitable for various chemical experiments and melting experiments.
4).Thermal shock resistance: Tungsten crucibles have good thermal shock resistance at high temperatures, and can withstand sudden changes in temperature without breaking, making them suitable for various high-temperature experiments.
5).High thermal conductivity: Tungsten crucible has high thermal conductivity and can transfer heat quickly, making it suitable for various high temperature experiments and melting experiments.
6).Non-toxic and harmless: The tungsten crucible material is non-toxic and harmless, and will not affect the experimental results or pollute the environment.
To sum up, tungsten crucible has the advantages of strong high temperature bearing capacity, good corrosion resistance, strong thermal shock resistance, etc., and has been widely used in high temperature experiments and melting experiments.
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