1,666 research outputs found
Organotypic keratinocyte-fibroblast cocultures on a bilayer gelatin scaffold as a model of skin equivalent
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Cultured keratinocytes and dermal fibroblasts on a double-layer scaffold with bi-medium culture system
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Comparative evaluation of performance of percolated perpendicular media using FePt–MgO/Pt/Cr trilayer and FePt–MgO/MgO bilayer
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A Randomised Control Trial and Comparative Analysis of Multi-Dimensional Learning Tools in Anatomy
Get PDFResearch was funded by the Cakmak Lab and the University of Otago, Otago Medical School. Author notes: These authors contributed equally: Ben Kei Daniel and Mustafa Asil. Contributions: Conception and Design of Study: Y.C. and C.W.; Design of materials: Y.C. and C.W.; Randomization of participants: P.K.; Acquisition of data: C.W.; Data analysis and interpretation: Y.C., M.A., B.D. and C.W.; Drafting of manuscript and/or critical revision: C.W., Y.C., M.A., B.D. and P.K.; All authors read and approved the final manuscript.Peer reviewe
Amorphization by dislocation accumulation in shear bands
No full textMicrocrystalline γ-Y2Si2O7 was indented at room temperature and the deformation microstructure was investigated by transmission electron microscopy in the vicinity of the indent. The volume directly beneath the indent comprises nanometer-sized grains delimited by an amorphous phase while dislocations dominate in the periphery either as dense slip bands in the border of the indent or, further away, as individual dislocations. The amorphous layers and the slip bands are a few nanometers thick. They lie along well-defined crystallographic planes. The microstructural organization is consistent with a stress-induced amorphization process whereby, under severe mechanical conditions, the crystal to amorphous transformation is mediated by slip bands containing a high density of dislocations. It is suggested that the damage tolerance of γ-Y2Si2O7, which is exceptional for a ceramic material, benefits from this transformation
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