Molybdenum and Tungsten Crucibles Elmet produces molybdenum and tungsten material and components for leading sapphire growth furnace OEMs and crystal growers around the world. Elmet provides a variety of crucibles for sapphire growth furnaces, as well as many other components for these furnaces.
Molybdenum is a refractory metal recognized for its excellent strength at high temperatures, its high melting point of 2610 C and its high resistance to corrosion. It serves a definite purpose in the laboratory. This high melting point makes molybdenum excellent for use as vapor deposition boats and dishes.
Molybdenum Crucible Description The molybdenum crucible is made of Mo 1 molybdenum powder, and its use temperature is 11001700. Molybdenum crucibles are mainly used in the metallurgical industry, rare earth industry, monocrystalline silicon, solar energy, artificial crystals and mechanical processing industries.23661 Birtcher Dr, Lake Forest, 92630, California
So incorrect Ramp levels can definitely cause crucible cracking. The second reason is much easier the user shuts the power supply off or has a very short ramp down time for power after the deposition is done. This causes the rapid solidification of the melt, and this stresses out the crucible liner.
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We are a professional supplier of molybdenum crucible. Most molybdenum crucibles are made by sintering of pure molybdenum powder. The reason why pure molybdenum powder is used as raw material is that it could prevent the generation of impurities of other metals after melting.