FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy, namely to materials intended for operation in oxidative medium at high temperatures, which can be used as structural material for critical parts operating at high temperature in instrumentation, power engineering, rocket engineering, radio engineering, chemical and other industries. Structural material based on refractory molybdenum and/or tungsten or their alloys with a protective heat-resistant coating has a monocrystalline structure in which the angle of misorientation of adjacent substructural blocks does not exceed 6°. Material is characterized by high values of heat resistance in oxygen-containing medium and process plasticity.
EFFECT: disclosed is a structural material based on molybdenum and/or tungsten or their alloys with a protective heat-resistant coating and an article made from it.
10 cl, 14 dwg, 5 ex
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