Wednesday, 24 Mar, 2010 Science
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Latest Invention: Elastic Iron Alloy from Japanese Researchers

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A group of scientists from Tohoku University managed to create an iron alloy that can stretch like rubber and show great elastic memory (returns to its initial shape).

Headed by postdoctoral fellow Yuki Tanaka, the team considers that their latest invention could be used in the construction earthquake-proof structures and in the development of various medical devices.

Scientists say that their alloy is mostly composed of iron, nickel, cobalt and aluminum. It can stretch up to 13 percent or its original size, which is better than the nitinol, a nickel-titanium alloy with similar features.

It is worth mentioning that the new material is also 1.5 stronger compared to nitinol. During the next stage of their research, the Japanese scientists will attempt to measure the resistance of the alloy to corrosion. They will also focus on the mass-production technology of their latest invention, informs The Mainichi Daily News.

The description of the new alloy was published in the March 19 issue of the U.S. journal Science.

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