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302.L9.fatigue.20Nov02

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material engineering science material engineering graduate school of engineering
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  Objective Crack Initiation S-N curves Cyclic stress-strn Crack Propagate Microstr. effects Design 1  Microstructure-Properties: II  Fatigue 27-302 Lecture 9  Fall, 2002 Prof. A. D. Rollett  Objective Crack Initiation S-N curves Cyclic stress-strn Crack Propagate Microstr. effects Design 2  Materials Tetrahedron  Microstructure    Properties   Processing Performance  Objective Crack Initiation S-N curves Cyclic stress-strn Crack Propagate Microstr. effects Design 3 Objective ã The objective of this lecture is to explain the phenomenon of fatigue and also to show how resistance to fatigue failure depends on microstructure. ã For 27-302, Fall 2002: this slide set contains more material than can be covered in the time available. Slides that contain material over and above that expected for this course are marked “*”.    Objective Crack Initiation S-N curves Cyclic stress-strn Crack Propagate Microstr. effects Design 4  References ã Mechanical Behavior of Materials (2000), T. H. Courtney, McGraw-Hill, Boston. ã Phase transformations in metals and alloys,   D.A. Porter, & K.E. Easterling, Chapman & Hall. ã Materials Principles & Practice, Butterworth Heinemann, Edited by C. Newey & G. Weaver. ã Mechanical Metallurgy, McGrawHill, G.E. Dieter, 3rd Ed. ã Light Alloys (1996), I.J. Polmear, Wiley, 3rd Ed. ã Hull, D. and D. J. Bacon (1984). Introduction to Dislocations. Oxford, UK, Pergamon.
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