Download e-book for iPad: Friction, Wear and Wear Protection by Donald H Buckley

By Donald H Buckley

ISBN-10: 352732366X

ISBN-13: 9783527323661

ISBN-10: 3527628517

ISBN-13: 9783527628513

The lawsuits gather invited and contributed papers from greater than one hundred fifty scientists and engineers all over the world which supply an updated assessment of the present learn on friction and put on, together with new systematic ways in addition to cutting edge technical solutions.Content:

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Additional info for Friction, Wear and Wear Protection

Example text

At the end of the stirring period, the molten metal inside the crucible was taken outside the furnace and poured inside a metallic mould of size 3 cm diameter and 17 cm height, to be cooled in air, and solidified to cast metallic matrix composite bars. A small amount of all cast bars’ surfaces were machined to remove possible oxide and contamination during the casting process and prepared for testing by cutting each bar into three portion (top, middle, and bottom) to be used for further study, as it will be seen later in the next paragraphs of the present work.

The main problems in this case, therefore, are determining the local pressure at an observed point in every loop and deciding on the duration of each loop before a new local pressure determination must be made. Determining the contact pressure at a particular point is often the trickiest and most timeconsuming part of a wear simulation. The deformation at one point is dependent on the deformation at all other points around the observed point. This implies a rather complex process for accurately calculating the pressure distribution.

Figure 8: Mass-loss in wear of Al-4%wt Mg-Graphite composites 42 Figure 9: Mass-loss in wear of Al-4%wt Mg-SiC composites. instead of the worn one. This action will provide a continuous film of graphite lubricant on the mating surfaces, which leads to a reduction in mass-loss of the composite material pin. 2 Effect of SiC Addition on the Wear Resistance of Al-4%wt Mg Alloy Figure 9 indicates that the mass-loss of the considered composites decreases with the increase in the amount of added silicon carbide particles to the matrix.

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Friction, Wear and Wear Protection by Donald H Buckley

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