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Probing crystal plasticity at the nanoscales [electronic resource] : synchrotron x-ray microdiffraction / Arief Suriadi Budiman.

9789812873354 electronic book
981287335X electronic book
9789812873347

Singapore : Springer, 2015.

English

1 online resource (ix, 118 pages) : illustrations (some color).

10.1007/978-981-287-335-4 doi

QD933 .B83 2015eb

548/.8

This Brief highlights the search for strain gradients and geometrically necessary dislocations as a possible source of strength for two cases of deformation of materials at small scales: nanoindented single crystal copper and uniaxially compressed single crystal submicron gold pillars. When crystalline materials are mechanically deformed in small volumes, higher stresses are needed for plastic flow. This has been called the "Smaller is Stronger" phenomenon and has been widely observed. studies suggest that plasticity in one case is indeed controlled by the GNDs (strain gradient hardening), whereas in the other, plasticity is not controlled by strain gradients or sub-structure hardening, but rather by dislocation source starvation, wherein smaller volumes are stronger because fewer sources of dislocations are available (dislocation starvation hardening).

Includes bibliographical references.

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Online resource; title from PDF title page (SpringerLink, viewed January 12, 2015).

SpringerBriefs in applied sciences and technology.

Print version: 9789812873347

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