Chapter 1- Introduction

Chapter 1- Introduction - EMA 3010- MATERIALS Dr. Burton...

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EMA 3010- MATERIALS Dr. Burton Patterson Office hours: M 10:00am- 12:00pm R 3:00-4:30pm 160 Rhines Hall, MSE-UF (352)846-3781 [email protected]
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Course Objectives ...i.e, understand the science that aids practical use
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Course Objectives You will learn about the materials tetrahedron : •material structure …e.g., diamond or graphite •how structure dictates properties i.e., hardest or softest  material •how processing can change structure …heat? pressure? deformation? •how structure affects performance! …is it a cutting tool or a lubricant ? This course will help you to : select, treat and use materials properly realize new design opportunities
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Chapter 1 – Introduction to Materials Science and Engineering Materials drive our society …tools, trade, transport, armament, items for everyday use M Stone Age M Bronze Age M Iron Age M Now? Silicon Age? Polymer Age? 4 New ideas, products, abilities…advancement of society… often depend on development of new materials
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Example: Hip Implant With age or certain illnesses joints deteriorate. Particularly those with large loads (such as hip). 5 Adapted from Fig. 22.25, Callister 7e.
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Hip implant requirements - for good performance M mechanical strength (many cycles) M good lubricity M biocompatibility 6 Adapted from Fig. 22.24, Callister 7e.
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Hip Implant components 7 Adapted from Fig. 22.26, Callister 7e.
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Structure: Materials are engineered structures …not black boxes! Structure …has many dimensions… Structural feature Dimension (m) atomic bonding <10-10 missing/extra atoms 10-10 crystals (ordered atoms) 10-8 - 10-2 second phase particles 10-8 - 10-3 crystal texturing >10-6
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9 ex: hardness vs structure of steel Properties depend on structure
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This note was uploaded on 09/05/2011 for the course EMA 3010 taught by Professor Unknown during the Summer '08 term at University of Florida.

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Chapter 1- Introduction - EMA 3010- MATERIALS Dr. Burton...

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