Моделирование пластическо-деформационного состояния контактной поверхности при трении.
Авторы
DOI:
https://doi.org/10.31489/2024No3/63-70Ключевые слова:
трение, нагрузка, теория пластичности, деформация, напряжение, трибосопряженияАннотация
Рассмотрена механика контактного разрушения сопряжений при трении в условиях сложного термодинамического нагружения. Показана возможность математического описания комплексного повреждения узлов трения, интенсивности изнашивания с учетом особенностей формирования поверхностного слоя при контактировании. Представлена методика расчета поверхностной прочности и долговечности трибосопряжений. Это позволяет связать параметры напряженного состояния точки (коэффициент трения, фактор формы) с термомеханическими параметрами процесса. Оценкой изменения коэффициента трения, параметров формы появляется возможность определения напряжения текучести и установление структурных превращений, соответствующих данному напряженному состоянию.
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