Abstract
The use of non-standard modes of heat treatment increases the density of dislocations in the crystal structure of the α-phase and increases the wear resistance of carbon, low-alloy steels under various friction conditions, which is comparable to the results when heated to a standard temperature (Ac3 + 30–50 °C). The preliminary extreme heating temperature is determined. After requenching at standard temperature and low tempering, the wear resistance of steels under various types of friction increases by up to 40 % compared to standard quenching.
Highlights
The use of non-standard modes of heat treatment increases the density of dislocations in the crystal structure of the α-phase and increases the wear resistance of carbon, low-alloy steels under various friction conditions, which is comparable to the results when heated to a standard temperature (Ac3 + 30–50 °C)
After requenching at standard temperature and low tempering, the wear resistance of steels under various types of friction increases by up to 40 % compared to standard quenching
3. Прямая закалка с экстремальных температур нагрева (1100 оС) и после низкотемпературного от‐ пуска повышает износостойкость сталей при разных видах трения на 30–40 %
Summary
The use of non-standard modes of heat treatment increases the density of dislocations in the crystal structure of the α-phase and increases the wear resistance of carbon, low-alloy steels under various friction conditions, which is comparable to the results when heated to a standard temperature (Ac3 + 30–50 °C). A. Improving the wear resistance of steel products by using non-standard heat treatment modes. Предварительно нормализованные при разных температурах нагрева образцы повторно нагревали до одной температуры Ас3 (или Ас1) + 30–50 °C, проводили закалку и низкий отпуск.
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