Results 321 to 330 of about 2,671,588 (381)
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Journal of Applied Polymer Science, 1983
AbstractRates of wear have been determined for several elastomer materials, using a razor‐blade abrading apparatus based on one described by Champ, Southern, and Thomas. Measurements have been carried out at different levels of frictional power input, corresponding to different severities of wear, at both ambient temperature and at 100°C, and both in ...
A. N. Gent, C. T. R. Pulford
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AbstractRates of wear have been determined for several elastomer materials, using a razor‐blade abrading apparatus based on one described by Champ, Southern, and Thomas. Measurements have been carried out at different levels of frictional power input, corresponding to different severities of wear, at both ambient temperature and at 100°C, and both in ...
A. N. Gent, C. T. R. Pulford
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2023
Wear - is a change in the size, shape, mass or condition of the surface of a product or structure due to destruction (wear) of the surface layer. Abrasive wear is the destruction of the surface by hard abrasive grains. There are two possible types of impact of abrasive grains on the surface.
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Wear - is a change in the size, shape, mass or condition of the surface of a product or structure due to destruction (wear) of the surface layer. Abrasive wear is the destruction of the surface by hard abrasive grains. There are two possible types of impact of abrasive grains on the surface.
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Concrete-Ice Abrasion Mechanism
Volume 8: Ian Jordaan Honoring Symposium on Ice Engineering, 2015There are not many data related to the mechanism of concrete-ice abrasion published. Some of researches try to find similarities in concrete-ice abrasion mechanism with various wear mechanisms from tribology, others propose their own theory. In general, ice abrasion of concrete has some similarities, noticed by researches, with wear mechanisms of other
Roman S. Tyutrin +2 more
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Pattern abrasion mechanism of rubber
Wear, 1992Abstract To investigate the mechanisms of the pattern abrasion of rubber, the wear processes of an isoprene rubber were examined. After repeated rubbing, small ridges initially appeared on the surface of the rubber. They increased in size as the cracks lengthened at the lower front of the ridges. Propagating crack marks, i.e.
Yoshitaka Uchiyama, Yuichi Ishino
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Mechanical Abrasion and Intercrown Spacing
American Midland Naturalist, 1984The crowns of neighboring trees of similar height do not interdigitate but rather are generally separated by spaces called "crown shyness" gaps. In a black mangrove (Avicennia germinans) forest in Costa Rica, the width of crown shyness gaps was positively correlated with the distance pairs of trees or branches adjacent to the gap swayed in the wind (n =
Putz, F. +2 more
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Abrasive Wear Mechanisms in Steels
Journal of Lubrication Technology, 1982Abrasive wear tests have been carried out on three steels and a number of pure metals using a pin-on-drum instrument. Each steel was tested at several different hardness levels attained by varying the heat treatment and while the results show a relationship between abrasion resistance and hardness, this was not the linear relationship found by Kruschov
M. J. Murray, P. J. Mutton, J. D. Watson
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Wear mechanisms with coated abrasives
Wear, 1974Abstract A metallographic study is described of the grit failure mechanisms operating with coated abrasives when grinding a wide variety of engineering materials. Scanning electron microscopy has been used to both characterise and monitor the incidence of the various grit failure mechanisms for a standard aluminium oxide resin-bonded belt and a ...
J. Billingham, J. Lauridsen, J.F. Bryon
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Restorative resins: abrasion vs. mechanical properties
European Journal of Oral Sciences, 1980Abstract –The purpose of the present work was to examine whether it is possible by simple and reliable laboratory tests to evaluate the abrasion by food of Glass 1 restorative resins. The results point to the following main conclusions: for the smooth‐surface resins, i. e.
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Study of Magnetic Abrasive Finishing Using Mechanically Alloyed Magnetic Abrasives
Advanced Materials Research, 2012The finishing characteristics of mechanically alloyed magnetic abrasives used in cylindrical magnetic abrasive finishing (MAF) are presented in this study. Mechanical alloying is a solid state powder processing technique, where the powder particles are subjected to impact by the balls in a high energy ball mill or attritor at room temperature.
Mahadev Gouda Patil +2 more
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Basic mechanism in free abrasive grinding
Applied Optics, 1974Abstract This work reports an experimental study on a long standing, optical, grinding technique. In particular it concerns scratching due to oversize particles in the abrasive and how they are controlled within the grinding process itself. The edge definition of the upper working piece (specimen or lap) controls admission of oversize particles to ...
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