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Contact: Kevin Stacey
kevin_stacey@brown.edu
401-863-3766
Brown University

Adding Strength, Keeping Ductility

Caption: In steelmaking, there's a tradeoff between strength and ductility, the ability to stretch. New research shows that the tradeoff can be evaded by pre-treating steel cylinders with torsion. Twisting causes microstructures called deformation twins to form on the outside of the cylinder, making it stronger. The twins do not form in the middle, which stays ductile.

Credit: Gao Lab/Brown University

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Related news release: A new twist makes for better steel, researchers find


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