Results 1 to 10 of about 70 (67)
The compressive strength of crumpled matter [PDF]
Nature Communications, 2019 AbstractCrumpling a sheet creates a unique, stiff and lightweight structure. Use of crumples in engineering design is limited because there are not simple, physically motivated structure-property relations available for crumpled materials; one cannot trust a crumple. On the contrary, we demonstrate that an empirical model reliably predicts the reaction
Andrew B. Croll +2 more
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Apparatus for measuring strength in biaxial compression
Review of Scientific Instruments, 2022 Most measurements of compressive strength of ductile materials have involved Hopkinson–Kolsky bars or Taylor anvils placing samples in uniaxial compression. In these geometries, strain is limited by the tendency of the sample to petal, in analogy to necking in uniaxial tension.
J. L. Belof, J. I. Katz
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The Strength of Snow in Compression [PDF]
Journal of Glaciology, 1956 AbstractThe hardness observations taken in the Canadian Snow Survey are analysed and found to depend on snow density, temperature, and crystal size. This strength property of the snow is found to be highly variable and the variability is attributed to unstable bonding between individual snow grains.
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Compressive strength of delaminated aerospace composites [PDF]
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2012 Abstract An efficient analytical model is described which predicts the value of compressive strain below which buckle-driven propagation of delaminations in aerospace composites will not occur. An extension of this efficient strip model which accounts for propagation transverse to the direction of applied compression is derived.
Butler, Richard +3 more
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Union Is Strength In Lossy Image Compression
CoRR, 2009 {"references": ["J.-L. Starck, and P. Querre, \"Multispectral Data Restoration by the\nWavelet-Karhunen-Lo\u00e8ve Transform,\" Preprint submitted to Elsevier\nPreprint, 2000, pp. 1-29.", "D. L. Donoho, and I. M. Johnstone, \"Adapting to unknown smoothness\nvia wavelet shrinkage,\" Journal of the American Statistical Assoc., vol.\n90, no. 432, pp. 1200-
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The Strength of Compressed Tablets
Journal of Pharmacy and Pharmacology, 1961 Abstract Examination of the fracture of tablets in a strength test has revealed two types of failure. Where the interparticulate bond is strong, fracture occurs across the grains and the strength of tablet is a simple function of the particle size.
E Shotton, D Ganderton
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Journal of the Fuel Society of Japan, 1968 The compressive strength have been measured on irregular shaped coals ranging from 0.1mm to 2.0mm particle size for low ash coals in Hokkaido. The results obtained from these experiments and those obtained from the silica ball-mill grinding test for the same coals are summerized as follows:1) There are linear relationships between mean compressive ...
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Compressive Strength of a Carbon Fiber in Matrix
Journal of the Japan Society for Composite Materials, 2011 Micro-buckling characteristic of a carbon mono-fiber in matrix was studied. A fiber was modeled in matrix as a column on elastic foundation. Buckling stress of the fiber was calculated incorporating the initial fiber misalignment and non-linearity of the matrix.
UEDA, Masahito +2 more
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Response surfaces for compressive strength of concrete
Construction and Building Materials, 2013 The aim of total quality management (TQM) is to offer satisfactorily high quality products to customers for providing increased productivity and decreased costs. Various methods are used for process improvement, development and optimization. In ready mixed concrete production, the number and the variations of effect parameters can be reduced using ...
Cihan, M. Timur +2 more
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Effect of Granule Strength on Compressed Tablet Strength.
Chemical and Pharmaceutical Bulletin, 1995 The effect of granule strength on the strength of a tablet compressed under a certain force was examined. Crushing strength and diametral compression tests were carried out to assess granule and tablet strength, respectively. When granules were weak, tablet strength increased with granule strength.
HORISAWA, Eijiro +3 more
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