e4511lecture-1 - Engineering 45 The Structure and...

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J.W. Morris, Jr. University of California, Berkeley Engineering 45 Spring , 2011 Engineering 45: The Structure and Properties of Materials • Instructor : J. W. Morris Jr. 228 Hearst Mining Bldg. Tel: 642-3815 E-M: [email protected] Office hours: 2-3 pm Wed., 11-12 am Fri. Web site : htpps://bspace.berkeley.edu TA Office : 350 Hearst Mining (hrs. on site)
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J.W. Morris, Jr. University of California, Berkeley Engineering 45 Spring , 2011 Engineering 45: The Structure and Properties of Materials Text : On-line in .pdf Examinations ( open book ): Midterm near Spring break Final as scheduled • Homework : Out Friday, due Friday 5 pm 350 HMB
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J.W. Morris, Jr. University of California, Berkeley Engineering 45 Spring , 2011 The field can be summarized in two sentences: Properties <= composition + microstructure Microstructure <= composition + processing Composition = kind and fraction of atoms present Microstructure = How those atoms are arranged Microstructure is not only essential to understanding properties Microstructure is often much more important than composition Example : bronze vs. iron weapons Example : endovascular stents from 316L stainless (Fe-Cr-Ni-Mo) Self-expanding (hard in as-drawn condition) Balloon-expanded (soft in annealed condition) The Essence of Materials Science
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J.W. Morris, Jr.
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