As a typical product of transition metal molybdenum, molybdenum boat is also known as evaporated molybdenum boat or coated molybdenum boat, is made of molybdenum sheet or molybdenum base alloy by welding or high temperature stamping, is an important sintering carrier for molybdenum powder and other metal powder preparation.
From the point of view of physical and chemical properties, molybdenum boat generally has high density, high melting point, high strength, low thermal expansion coefficient, high temperature resistance, corrosion resistance, good creep resistance, ductility and electrical and thermal conductivity characteristics. Note: The specific physical and chemical properties and uses of different materials of molybdenum boat there are some differences, such as pure molybdenum boat can withstand the temperature of about 1100°C, can be used as rare earth materials melting equipment and sintered tungsten oxide vessels; Molybdenum lanthanum alloy boat and TZM (molybdenum zirconium titanium) alloy boat can withstand the temperature of about 1900°C, suitable for working in high temperature environment.
According to the different shapes, molybdenum boat has round, rectangular, square and trapezoid shapes; According to the different processing methods, molybdenum boats can be divided into stamping boats, folding boats, welding boats and riveted boats and other types; According to the different materials, it can be divided into pure molybdenum boat, molybdenum lanthanum boat, molybdenum zirconium titanium boat, molybdenum rhenium boat, tungsten molybdenum boat and so on.
From the structural point of view, a high temperature resistant molybdenum boat comprises a rectangular molybdenum boat body, molybdenum boat body is provided with a semi-elliptical molybdenum boat sintering lining and is provided with a wave heat dissipation strip around, the wave heat dissipation strip is provided with a weight reduction hole, molybdenum boat body is provided with a split molybdenum boat cover, molybdenum boat cover is provided with a coating hole and a feeding hole. The advantages of the molybdenum boat are that the sintered lining of the semi-elliptical molybdenum boat can avoid deformation under the condition of long-term use; The design of the wavy heat dissipation strip and weight reduction hole is mainly to reduce the weight of the molybdenum boat and speed up the heat dissipation of the molybdenum boat.
From the point of view of use, molybdenum boat is mainly used in coating technology, electronics industry, power engineering and other fields, such as capacitor sintering, vacuum thermal evaporation, nuclear fuel sintering holding equipment.
