Results 151 to 160 of about 48,580 (193)
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Adsorption and friction in the UHV tribometer
Tribology Letters, 1997Some aspects of the effect of adsorption on friction have beenexperimentally investigated by using a multi-technique AES/XPSUHV tribotester. Actually, testing in-vacuo gives the opportunityto clean, to create and to characterise the surface. Moreover,AES microanalysis can give insight in tribochemical reactions.Preliminary data are presented in several
J.M. Martin +3 more
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2015
As surface chemistry deals with more and more complex systems it has become necessary to work at high gas pressures as described elsewhere in this book. In addition, examples are available where work under liquids has been done while maintaining clean surfaces.
openaire +1 more source
As surface chemistry deals with more and more complex systems it has become necessary to work at high gas pressures as described elsewhere in this book. In addition, examples are available where work under liquids has been done while maintaining clean surfaces.
openaire +1 more source
2015
There are advantages in using aluminum UHV systems. For proton synchrotrons, the residual radioactivity produced in stainless systems may be reduced by one or two orders of magnitude, 100 h after machine shutdown, by employing Al instead of stainless steel.
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There are advantages in using aluminum UHV systems. For proton synchrotrons, the residual radioactivity produced in stainless systems may be reduced by one or two orders of magnitude, 100 h after machine shutdown, by employing Al instead of stainless steel.
openaire +1 more source
2015
To achieve the limiting pressure in an ultrahigh vacuum system, it is necessary to reduce the rate of desorption of molecules from the stainless steel walls to the lowest possible limit. These surface impurities originate from exposure of the walls to impurities during opening and processing of the system.
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To achieve the limiting pressure in an ultrahigh vacuum system, it is necessary to reduce the rate of desorption of molecules from the stainless steel walls to the lowest possible limit. These surface impurities originate from exposure of the walls to impurities during opening and processing of the system.
openaire +1 more source
Experimental Evaluations on Seismic Performances of Porcelain and GFRP Composite UHV GIS Bushings
Materials, 2022Chang He, Qiang Xie
exaly