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A new shape memory alloy has been created that surpassed titanium nickelide

Scientists of the laboratory of physics of high-strength crystals SFTI TSU in the framework of the joint grant of the Russian Science Scientific Foundation and the German research community (DFG) have developed a new alloy with shape memory. According to its functional characteristics, it surpasses titanium nickelide, the leader among materials capable of restoring its shape when heated after high external loads. The development is promising for creating innovative solutions in the aviation, aerospace, automotive and robotics industries.

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Jiya Saini is a Journalist and Writer at Revyuh.com. She has been working with us since January 2018. After studying at Jamia Millia University, she is fascinated by smart lifestyle and smart living. She covers technology, games, sports and smart living, as well as good experience in press relations. She is also a freelance trainer for macOS and iOS, and In the past, she has worked with various online news magazines in India and Singapore. Email: jiya (at) revyuh (dot) com

Russian scientists from the laboratory of physics of high-strength crystals of the Siberian Physical-Technical Institute (SFTI) of the Tomsk State University (TSU) have developed a new alloy of metal with improved shape memory.

“According to the functional characteristics, the new alloy surpasses titanium nickelide – the leader among materials capable of restoring its shape when heated after high external loads. The development is promising for creating innovative solutions in the aviation, aerospace, automotive industries and robotics,” the report said.

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The alloy was developed on the basis of iron, nickel, cobalt and aluminum with a replaceable fifth element – it can be titanium, niobium, and their combination.

According to the engineer of the laboratory of physics of high-strength crystals of SFTI TSU Anna Eftifeyeva, the new material based on iron has a greater ability than that of titanium nickelide to recover from deformation.

“The new iron-based alloy reversible shape change reaches 15%, for nickel-titanium alloys – about 10%. Due to this, the sensors and actuators of iron-based alloys will work more efficiently, as well as the mechanisms that they set in motion”, – explained Eftifeev.

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This result was achieved with the help of a special heat treatment; scientists have already received a patent for the technology.

Scientists also managed to achieve high strength of the new alloy, which is an important aspect for practical application in the aerospace and machine-building industries.

In addition, it is noted that sensors and actuators made of a new iron-based alloy will not only be stronger, but also cheaper than titanium nickelide products.

Translated in English from: Tomsk State University

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