- About
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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
Search results
Showing 41 to 50 of 2528 (0.074 seconds)| 41 |
Characterization of superconducting properties using internal frictionmeasurement牛鍾明, Liu, Zhong-ming. January 1994 (has links)
published_or_final_version / Physics / Doctoral / Doctor of Philosophy
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The friction and strength properties of diamondHayward, I. P. January 1987 (has links)
Diamonds have many extreme physical properties that lead to a host of technological applications. Their main use as a tool or abrasive for the machining of hard materials involves diamonds rubbing against the material being worked and often against each other. The strength and frictional properties of diamond are thus of great practical, as well as academic interest. Studies of the reciprocating sliding of one diamond on another for extended periods have shown that the changes in friction and wear are linked with the formation of debris. Analysis of the debris shows it does not consist of diamond fragments. Investigations of the effect of low-pressure gases on diamond friction also indicate debris plays an important role, and that the friction and wear are markedly dependent on the state of adsorbants on the diamond surface. Details are also given of the friction and wear of steel, glass and sintered diamond in contact with diamond. An associated study of the solid particle erosion of diamond has shown that cracking can occur at impact velocities of 25 m s<SUP>-1</SUP>. To facilitate the friction studies two existing friction apparatus have been automated. Computer control now allows data to be collected and analysed more rapidly and thoroughly than was possible before. The equipment has also been adapted to extend the conditions under which friction studies can be made.
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An experimental and theoretical study of thermal aspects of scuffing in concentrated lubricated contactsAlkateb, Ahmad H. January 1987 (has links)
No description available.
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Experimental and theoretical analysis of coefficient of friction and redundant deformation in tube sinking processAshaju, D. I. January 1988 (has links)
No description available.
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| 45 |
Statistical evaluation of tribological effects of some fluids on sliding aluminium alloysLee, Peter John January 1998 (has links)
No description available.
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| 46 |
The effect of low temperature electron irradiation upon the internal friction and Young's modulus of high purity single crystal molybdenumSutton, C. R. A. January 1983 (has links)
No description available.
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Some fundamental aspects of sliding wear and the generation of tribosurface layersFurze, David Charles January 1988 (has links)
No description available.
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The influence of faults on the engineering behavior of rock massesKaaki, Ahmad Abdullah January 1990 (has links)
No description available.
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Elastic strips in dry and lubricated contactsJaffar, Mohammad Jawad January 1989 (has links)
No description available.
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| 50 |
An investigation of larger scale coherent structures in fully developed turbulent boundary layersHutchins, Nick January 2003 (has links)
No description available.
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