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Acoustic Emission from Organic Martensites

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dc.contributor.author Panda, M K
dc.contributor.author Martin, E
dc.contributor.author Dinnebier, R E
dc.contributor.author Naumov, P
dc.date.accessioned 2017-10-10T11:16:42Z
dc.date.available 2017-10-10T11:16:42Z
dc.date.issued 2017-07-03
dc.identifier.citation Angewandte Chemie-International Edition, 56(28):8104-8109 en_US
dc.identifier.uri http://hdl.handle.net/123456789/2943
dc.description.abstract In salient effects, still crystals of solids that switch between phases acquire a momentum and are autonomously propelled because of rapid release of elastic energy accrued during a latent structural transition induced by heat, light, or mechanical stimulation. When mechanical reconfiguration is induced by change of temperature in thermosalient crystals, bursts of detectable acoustic waves are generated prior to selfactuation. These observations provide compelling evidence that the thermosalient transitions in organic and organiccontaining crystals are molecular analogues of the martensitic transitions in some metals, and metal alloys such as steel and shape-memory alloys. Within a broader context, these results reveal that, akin to metallic bonding, the intermolecular interactions in molecular solids are capable of gradual accrual and sudden release of a substantial amount of strain during anisotropic thermal expansion, followed by a rapid transformation of the crystal packing in a diffusionless, nondisplacive transition. en_US
dc.language.iso en en_US
dc.publisher Wiley en_US
dc.subject acoustic emissions en_US
dc.subject martensitic phase transitions en_US
dc.subject mechanical effects en_US
dc.subject organic crystals en_US
dc.subject thermosalient effects en_US
dc.title Acoustic Emission from Organic Martensites en_US
dc.type Article en_US


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