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Эксперименты учёных улучшат прочность ячеистых композитов

Исследователи из Института физики металлов им. М.Н. Михеева УрО РАН и Томского научного центра СО РАН изучили, как разрушаются изделия с биоподобной ячеистой структурой из полимолочной кислоты, созданные с помощью 3D-печати.

Они определили оптимальную структуру и плотность таких изделий для применения в авиакосмической технике и машиностроении.

#Грани_РАН

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Create: 2025-01-17
Last Update: 2025-02-03 16:37:27

Эксперименты учёных улучшат прочность ячеистых композитов

Исследователи из Института физики металлов им. М.Н. Михеева УрО РАН и Томского научного центра СО РАН изучили, как разрушаются изделия с биоподобной ячеистой структурой из полимолочной кислоты, созданные с помощью 3D-печати.

Они определили оптимальную структуру и плотность таких изделий для применения в авиакосмической технике и машиностроении.

#Грани_РАН

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Date: 2025-02-03|

Two days after Russia invaded Ukraine, an account on the Telegram messaging platform posing as President Volodymyr Zelenskiy urged his armed forces to surrender. "He has to start being more proactive and to find a real solution to this situation, not stay in standby without interfering. It's a very irresponsible position from the owner of Telegram," she said. The War on Fakes channel has repeatedly attempted to push conspiracies that footage from Ukraine is somehow being falsified. One post on the channel from February 24 claimed without evidence that a widely viewed photo of a Ukrainian woman injured in an airstrike in the city of Chuhuiv was doctored and that the woman was seen in a different photo days later without injuries. The post, which has over 600,000 views, also baselessly claimed that the woman's blood was actually makeup or grape juice. "The result is on this photo: fiery 'greetings' to the invaders," the Security Service of Ukraine wrote alongside a photo showing several military vehicles among plumes of black smoke. But Telegram says people want to keep their chat history when they get a new phone, and they like having a data backup that will sync their chats across multiple devices. And that is why they let people choose whether they want their messages to be encrypted or not. When not turned on, though, chats are stored on Telegram's services, which are scattered throughout the world. But it has "disclosed 0 bytes of user data to third parties, including governments," Telegram states on its website.
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