FIELD: metallurgy industry.
SUBSTANCE: method involves construction of temperature dependence of structure-sensitive characteristic of plates and determination of specific section in it, which corresponds to temperature of maximum operability. Failure or crack resistance viscosity criterion is chosen as structure-sensitive characteristic, and as specific section of the temperature dependence there accepted is temperature interval in which values of failure or crack resistance viscosity criterion of hard-alloy cutting plates are maximum.
EFFECT: improving quality and consistency of results when determining temperature of maximum operability.
1 dwg, 1 ex
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