منابع مشابه
Plasticity at the micron scale
Over a scale which extends from about a fraction of a micron to tens of microns, metals display a strong sizedependence when deformed non uniformly into the plastic range: smaller is stronger. This eect has important implications for an increasing number of applications in electronics, structural materials and MEMS. Plastic behavior at this scale cannot be characterized by conventional plastic...
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Experimental limits allow for new forces in nature millions of times stronger than gravity at distance scales resolvable to the unaided eye, and trillions of times stronger than gravity at scales accessible to scanning probe microscopy. Recent theoretical work has led to specific predictions of new physics in these regimes, including possible signatures of extra spacetime dimensions. This prese...
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One of the most significant advances in oral microbiology in recent years is advanced imaging methodologies to reveal the geography of oral biofilms. Although the revolution in bacterial sequencing has left us with an unprecedented abundance of data regarding the diversity and abundance of bacteria in caries and periodontal diseases, detailed information on the organization of dental biofilms i...
متن کاملBiogeography of a human oral microbiome at the micron scale.
The spatial organization of complex natural microbiomes is critical to understanding the interactions of the individual taxa that comprise a community. Although the revolution in DNA sequencing has provided an abundance of genomic-level information, the biogeography of microbiomes is almost entirely uncharted at the micron scale. Using spectral imaging fluorescence in situ hybridization as guid...
متن کاملToughness of Ni/Al2O3 interfaces as dependent on micron-scale plasticity and atomistic-scale separation
Ceramic/metal interfaces were studied that fail by atomistic separation accompanied by plastic dissipation in the metal. The macroscopic toughness of the specific Ni alloy/Al2O3 interface considered is typically on the order of ten times the atomistic work of separation in mode I and even higher if combinations of mode I and mode II act on the interface. Inputs to the computational model of int...
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ژورنال
عنوان ژورنال: International Journal of Solids and Structures
سال: 2000
ISSN: 0020-7683
DOI: 10.1016/s0020-7683(99)00090-6