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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.

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Create: 2025-01-17
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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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Date: 2025-01-24|

If you initiate a Secret Chat, however, then these communications are end-to-end encrypted and are tied to the device you are using. That means it’s less convenient to access them across multiple platforms, but you are at far less risk of snooping. Back in the day, Secret Chats received some praise from the EFF, but the fact that its standard system isn’t as secure earned it some criticism. If you’re looking for something that is considered more reliable by privacy advocates, then Signal is the EFF’s preferred platform, although that too is not without some caveats. Telegram users are able to send files of any type up to 2GB each and access them from any device, with no limit on cloud storage, which has made downloading files more popular on the platform. Messages are not fully encrypted by default. That means the company could, in theory, access the content of the messages, or be forced to hand over the data at the request of a government. What distinguishes the app from competitors is its use of what's known as channels: Public or private feeds of photos and videos that can be set up by one person or an organization. The channels have become popular with on-the-ground journalists, aid workers and Ukrainian President Volodymyr Zelenskyy, who broadcasts on a Telegram channel. The channels can be followed by an unlimited number of people. Unlike Facebook, Twitter and other popular social networks, there is no advertising on Telegram and the flow of information is not driven by an algorithm. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts.
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