Microscopic observation of band structure found in shear-deformed hydroxypropylcellulose film.
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چکیده
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Highly deformed band structure in 57 Co
Rotational bands have been found in Co using the Si(S,3p) reaction at 130 MeV. The bands, extending the mass 60 region of large deformation down to Z527, are signature-partner sequences. Their quadrupole moments are similar to those of bands in the neighboring nuclei. The features of the new bands are described by Skyrme Hartree-Fock calculations favoring a configuration assignment with one neu...
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A correlation imaging velocimetry technique is applied to recover displacement fields in a granular material subjected to extended shear. A thick (10 cm) annular sand sample (grain size: 1 mm) is confined at constant pressure (sigma=0.5 MPa) against a rough moving wall displacing at very low speed (delta=83 microm s(-1)). Localization of the strain rapidly forms a shear band (seven particles wi...
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Meshfree Galerkin approximations in both two and three dimensions have been used in simulations of dynamic shear band propagation in an asymmetrically impact-loaded prenotched plate. Failure mode switching and failure mode transitions, which have been reported experimentally, are replicated in numerical computations. For intermediate impact speed (25 m=s < V 6 30 m=s), the numerical results sho...
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ژورنال
عنوان ژورنال: Sen'i Gakkaishi
سال: 1992
ISSN: 0037-9875,1884-2259
DOI: 10.2115/fiber.48.8_407