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New Crush-Resistant Metamaterials can Prevent Failure of Structures
Written by AZoMMar 12 2021
A chain reaction of locally restricted damage can inevitably lead to a catastrophic breakdown of structures and materials. Such a failure can be seen in many structures, from metal space trusses that collapse after the warping of a solo strut to solid ceramics that breakdown after the development of a tiny crack.
Novel tensegrity metamaterials by UCI and Georgia Institute of Technology researchers employ isolated compressive loop elements that are exclusively connected through a continuous network of tensile members (highlighted in magenta). Image Credit: Jens Bauer and Cameron Crook/University of California, Irvine.
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IMAGE: Novel tensegrity metamaterials by UCI and Georgia Institute of Technology researchers employ isolated compressive loop elements that are exclusively connected through a continuous network of tensile members (highlighted in magenta). view more
Credit: Jens Bauer and Cameron Crook / UCI
Irvine, Calif., March 11, 2021 - Catastrophic collapse of materials and structures is the inevitable consequence of a chain reaction of locally confined damage - from solid ceramics that snap after the development of a small crack to metal space trusses that give way after the warping of a single strut.
In a study published this week in
Advanced Materials, engineers at the University of California, Irvine and the Georgia Institute of Technology describe the creation of a new class of mechanical metamaterials that delocalize deformations to prevent failure. They did so by turning to tensegrity, a century-old design principle in which isolated rigid bars are integrated int