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Probing Crystal Plasticity at the Nanoscales: Synchrotron X-ray Microdiffraction

By (author) Arief Suriadi Budiman

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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).

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The Memory Collectors: A Novel

Dete Meserve
Paperback / softback
320 pages

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Survive the AI Apocalypse: A guide for solutionists

Bronwyn Williams
Paperback / softback
232 pages
was: R 340.95
now: R 306.95
Forthcoming

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The Colonialist: The Vision of Cecil Rhodes

William Kelleher Storey
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528 pages
was: R 425.95
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This first comprehensive biography of Cecil Rhodes in a generation illuminates Rhodesâ€™s vision for the expansion of imperialism in southern Africa, connecting politics and industry to internal development, and examines how this fueled a lasting, white-dominated colonial society.

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The Coming Wave: AI, Power and Our Future

Mustafa Suleyman
Paperback / softback
352 pages
was: R 295.95
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Stock is usually dispatched in 6-12 days from date of order

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