Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 101, Issue 5, Pages 2170-2180Publisher
WILEY
DOI: 10.1111/jace.15367
Keywords
alumina; deformation; fracture mechanics; toughness; nanomaterials; porous materials
Categories
Funding
- Office of Naval Research [N000141712361]
- Hartz Family Career Development Professorship in Engineering
- Materials Research Institute at the Pennsylvania State University (PSU)
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Quasi-ductile deformation of nanopores was studied by conducting nanoindentation tests on a consistent sample set of anodic aluminum oxide (AAO) membranes with varying porosity, interpore distances, and phases. The small feature size (wall thickness) of the nanoporous structure was identified as the key parameter to trigger and enhance nonbrittle, quasi-ductile nanopore deformations, regardless of material phase. With small wall thickness (
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