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Publication by Thierry Ouisse

Published on August 23, 2021
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Communique from August 23, 2021 to November 9, 2021

The article entitled "Room temperature crack-healing in an atomically layered ternary carbide" has been published in Science Advances.

SciAdvRathod2021

SciAdvRathod2021

Here you will find the article by Thierry Ouisse:
"Ceramic materials provide outstanding chemical and structural stability at high temperatures and in hostile environments but are susceptible to catastrophic fracture that severely limits their applicability. Traditional approaches to partially overcome this limitation rely on activating toughening mechanisms during crack growth to postpone fracture. Here, we demonstrate a more potent toughening mechanism that involves an intriguing possibility of healing the cracks as they form, even at room temperature, in an atomically layered ternary carbide. Crystals of this class of ceramic materials readily fracture along weakly bonded crystallographic planes. However, the onset of an abstruse mode of deformation, referred to as kinking in these materials, induces large crystallographic rotations and plastic deformation that physically heal the cracks. This implies that the toughness of numerous other layered ceramic materials, whose broader applications have been limited by their susceptibility to catastrophic fracture, can also be enhanced by microstructural engineering to promote kinking and crack-healing."
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Date of update August 23, 2021

Université Grenoble Alpes