New composite materials capable of operating in a wide range of operating temperatures (-180...1800°C) in the air and in various aggressive media, including molten metals, have been developed.
These properties are possessed by composite materials due to the use of various refractory metals and their compounds such as tungsten, molybdenum disilicide in combination with various structural materials.
Composite materials can be formed in the form of plates, hollow cylinders and other forms of blanks (articles) with dimensions up to 400×400×700 mm.
The developed materials open up new opportunities for creating more advanced thermal devices, in particular, thermal units using ultra-high temperature heat pipes (UHTP) with lithium coolant, capable of long-term operation at temperatures above 1300ºС in aggressive environments, for example, in growth units for producing monocrystals of materials.
Ultra-high-temperature heat pipes with lithium coolant.
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