Cooperative deformation in high-entropy alloys at ultralow temperatures — Science Advances current issue

High-entropy alloys exhibit exceptional mechanical properties at cryogenic temperatures, due to the activation of twinning in addition to dislocation slip. The coexistence of multiple deformation pathways raises an important question regarding how individual deformation mechanisms compete or synergize during plastic deformation. 105 weitere Wörter

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Energy-harvesting design aims to turn Wi-Fi signals into usable power — Tallbloke’s Talkshop

The researchers also imagine devices that would wirelessly power implants in a patient’s body without any surgery to change batteries. Any device that sends out a Wi-Fi signal also emits terahertz waves —electromagnetic waves with a frequency somewhere between microwaves and infrared light, says Technology.org. These high-frequency radiation waves, known as “T-rays,” are also produced […]

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