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Principles of Materials Science and EngineeringLecture 09Prof. Daniel R. MummChemical Engineering and Materials ScienceHenry Samueli School of EngineeringUniversity of California, Irvine[email protected]University of California, IrvineE54, Winter ‘14
ENGR 54 – Principles of Materials Science and Engineering:Lecture 092TodayImperfect CrystalsDefects in CrystalsReading assignment:Through Chapter 6
ENGR 54 – Principles of Materials Science and Engineering:Lecture 093Imperfect CrystalsSo far, we have discussed ideal, perfect structures….±What types ofdefectscan we consider?What role do these defects play inthe properties of materials?±What are the variousdescriptors?±What are theenergeticsandthermodynamic driving forcesfor defectformation?±How do various defectsinteract, and effectmaterial properties?±What is theequilibrium defect concentration?How does this change withtemperature, pressure, etc.?Overview of crystal defects and point, line and area (planar) imperfections
ENGR 54 – Principles of Materials Science and Engineering:Lecture 094Imperfections – Issues to Address±What are the solidification mechanisms for solid materials?.

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Term
Winter
Professor
staff
Tags
Chemistry, Chemical Engineering, Materials Science, Thermodynamics, Materials Science And Engineering, Crystal, Crystallographic defect, Principles of Materials Science and Engineering

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