Накопление температурных напряжений в оболочках из полимерных композиционных материалов при циклическом температурном воздействии
Автор: Задорин А.А., Мишнев М.В., Королев А.С.
Журнал: Строительство уникальных зданий и сооружений @unistroy
Статья в выпуске: 4 (109), 2023 года.
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Объектом исследования является полимерный композит на основе термореактивного эпоксидного связующего и стеклоткани марки EZ-200. Его поведение в условиях эксплуатации промышленных дымовых труб, включающих высокие температуры, длительную эксплуатацию, циклические механические и температурные воздействия, а также длительное термическое старение, еще предстоит определить. Вязкоупругость полимерной матрицы приводит к нескольким возможным эффектам. Одним из них является накопление температурных напряжений за счет нестационарных температурных воздействий. Целью данной работы является оценка возможности такого эффекта и его оценка. Для этого потребовалось проведение циклических нагревательных испытаний и расчетов оболочки КЭ.
Полимеры, композиты, тепловые нагрузки, вязкоупругость, накопление напряжений, промышленные дымоходы, газоходы
Короткий адрес: https://sciup.org/143182713
IDR: 143182713 | DOI: 10.4123/CUBS.109.20
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