Smart composite in construction Smart composite in construction Умные композиты в строительстве 2782-1919 82701 10.52957/27821919_2021_1_29 Без рубрики Uncategorized Без рубрики Basalt plastic properties under climatic aging conditions Basalt plastic properties under climatic aging conditions Блазнов Алексей Николаевич Blaznov Aleksey Nikolaevich

доктор технических наук;

doctor of technical sciences;

 Маркин Виктор Борисович Markin Viktor Borisovich Кротов Анатолий Сергеевич Krotov Anatoliy Sergeievich Фирсов Вячеслав Викторович Firsov Viacheslav Viktorovich Бычин Николай Валерьевич Bychin Nikolai Valerievich Сакошев Захар Германович Sakoshev Zakhar Germanovich ФГБУН «Институт проблем химико-энергетических технологий Сибирского отделения Российской академии наук (ИПХЭТ СО РАН)» Бийск Россия Institute for Problems of Chemical and Energetic Technologies, Siberian Branch of the Russian Academy of Sciences (IPCET SB RAS) Biysk Russian Federation Бийский технологический институт (филиал) Алтайского государственного технического университета им. И.И. Ползунова Biysk Institute of Technology, Polzunov Altai State Technical University Алтайский государственный технический университет им. И.И. Ползунова Polzunov Altai State Technical University Институт проблем химико-энергетических технологий Сибирского отделения Российской академии наук (ИПХЭТ СО РАН), Бийск Россия Institute of Chemical and Energy Technology Problems, the Siberian Branch of the Russian Academy of Sciences (IPCET SB RAS), Biysk Russian Federation Институт проблем химико-энергетических технологий Сибирского отделения Российской академии наук (ИПХЭТ СО РАН), Бийск Россия Institute of Chemical and Energy Technology Problems, the Siberian Branch of the Russian Academy of Sciences (IPCET SB RAS), Biysk Russian Federation Институт проблем химико-энергетических технологий Сибирского отделения Российской академии наук (ИПХЭТ СО РАН), Бийск Россия Institute of Chemical and Energy Technology Problems, the Siberian Branch of the Russian Academy of Sciences (IPCET SB RAS), Biysk Russian Federation Институт проблем химико-энергетических технологий Сибирского отделения Российской академии наук (ИПХЭТ СО РАН), Бийск Россия Institute of Chemical and Energy Technology Problems, the Siberian Branch of the Russian Academy of Sciences (IPCET SB RAS), Biysk Russian Federation 26 03 2021 26 03 2021 2 1 29 39 26 02 2021 15 03 2021 https://chemintech.ru/en/nauka/article/82701/view

Приведены результаты климатических испытаний однонаправленных базальтопластиков после выдержки в климатической камере GRONLAND при температуре 60 ºС и влажности 100% в течение 1, 2 и 3 мес. Показано, что в первый месяц механические свойства не меняются, после второго и третьего месяца экспозиции модуль упругости образцов возрастает на 6-10 %, предельная деформация уменьшается на 5-7%, прочность практически не изменяется. По результатам термомеханических исследований методом дифференциальной сканирующей калориметрии установлено постепенное повышение температуры стеклования образцов от 124.4 °С (1 мес.) до 125.8 °С (2 мес.) и 126.4 °С (3 мес.). Это свидетельствует о дополнительной полимеризации связующего в температурно-влажностных условиях климатической ка-меры. По результатам цифровой обработки микрофотографий поверхности образцов установлена качественная корреляция между изменением свойств и состоянием поверхности.

The paper presents results of climatic tests of unidirectional basalt plastics after curing in GRONLAND climatic chamber at 60 ºC and 100% humidity for 1, 2, and 3 months. The mechanical properties do not change in the first month, but after the second and third months of exposure elasticity modulo of samples increases by 6-10%, ultimate strain de-creases by 5-7%, strength sees almost no change. The results of thermomechanical research using differential scanning calorimetry show the gradual increase of temperature of glass transition of samples from 124.4 °C (1 month) up to 125.8 °C (2 months) and 126.4 °C (3 months). It means that the binder is additionally polymerized in the temperature and humidity conditions of the climatic chamber. After the digital processing of photomicrographs of samples' surfaces, we have established a qualitative correlation between the change in properties and the surface condition.

 однонаправленные базальтопластики климатическое старение механические свойства продольный изгиб температура стеклования диференциальная сканируюшая калориметрия микрофотографии поверхности цифровая об-работка. unidirectional basalt plastics climatic aging mechanical properties longitudinal bending glass transition temperature differential scanning calorimetry surface photomicrography digital processing. The work was conducted using the equipment of the Biysk Regional Center for Collective Use, Siberian Branch of the Russian Academy of Sciences (IPCET, Siberian Branch of the Russian Academy of Sciences, Biysk).

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