Tohoku University Technology: Magnesium alloy exhibits superelastic effect: T15-071
Specific gravity is less than one third of Nitinol! The lightest superelastic alloy worldwide without allergic elements
Conventional superelastic and shape-memory alloys are generally composed of elements having high specific gravity, and the ones composed of lightweight elements have not been reported yet. Although superelastic and shape-memory alloys for medical applications are being intensely investigated, a typical TiNi alloy (Nitinol) is still difficult to apply to patients owing to allergic effect caused by nickel. The present invention provides superelastic and shape-memory alloy having the specific gravity less than one third of Nitinol by using magnesium. As well known as the good biocompatibility of magnesium, the alloy is expected to be applied to medical field.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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