11~chapter 11

11~chapter 11 - Materials: engineering, science, processing...

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Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon
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Friction and Wear Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon Figure 11.1 When surfaces slide, they wear – material is lost from from both surfaces Wear rate Specific wear rate Archard wear constant (MPa) -1 Coefficient of friction
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Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon Figure 11.2 Coefficient of friction μ of materials sliding on an unlubricated steel surface
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Materials: engineering, science, processing and design, 2nd edition Copyright (c)2010 Michael Ashby, Hugh Shercliff, David Cebon Figure 11.3 The best materials for bearings have the lowest values for the product of the wear rate constant and hardness Materials in a given class lie along a downward slope across the figure – this reflects the fact that a low wear rate is associated with high hardness
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This note was uploaded on 02/15/2012 for the course MASC 310 taught by Professor Nutt during the Fall '08 term at USC.

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11~chapter 11 - Materials: engineering, science, processing...

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