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During this course we will discuss (1) the wear and friction of solids (2) the laboratory equipment used in
tribological investigations (3) and theoretical and empirical models for wear.
Wear
II.5.a The process or condition of being worn or gradually reduced in bulk or impaired in quality by
continued use, friction, attrition, exposure to atmospheric or other natural distructive agencies; loss or
diminution of substance or deterioration of quality due to these causes.
II.6.a wear-and-tear wearing and damage due to ordinary useage; deterioration in the condition of a
thing through constant use or service
Friction
[a.F. friction, ad.L friction-em, n. of action from ficare to rub]
2. The rubbing of one body against another; attrition.
3. Physics and Mech The resistance which any body meets with in moving over another body.
Oxford English Dictionary
Course Syllabus
Date
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Topic
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Homework
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Jan 9
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The Costs of Wear
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Jan 11
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Material Properties
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Jan 16
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Rough Surfaces
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Hwk 1 out
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Jan 18
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Measuring Roughness
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Jan 23
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Real Area of Contact
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Jan 25
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Friction
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Jan 30
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Moving Heat Sources
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Hwk 1 in
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Feb 1
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Frictional Heating
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Feb 6
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Flash Temperatures
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Hwk 2 out
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Feb 8
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Types of Wear
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Feb 13
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Adhesive Wear
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Feb 15
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Adhesive Wear Continued
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Feb 20
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Abrasive Wear
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Hwk 2 in
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Feb 22
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Abrasive Wear Continued
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Feb 27
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Review
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Mar 1
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Midterm Examination
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Mar 13
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Corrosion
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Mar 15
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Corrosive Wear
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Mar 20
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Melt Wear
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Hwk 3 out
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Mar 22
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Wear of Polymers
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Mar 27
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Wear of Ceramics
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Hwk 3 in
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Mar 29
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Hertzian Contacts
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Apr 3
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Fatigue and Impact Wear
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Hwk 4 out
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Apr 5
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Erosion
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Apr 10
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Solid Film Lubrication
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Apr 12
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Vapor Phase Lubrication
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Apr 17
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Adhesion and Mag. Storage
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Hwk 4 in
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Apr 19
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Class Presentations
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Apr 24
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Review
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May 3
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Final Exam 10:00AM-12:00PM
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Course Policy
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Professor:
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Greg Sawyer
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Office:
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309 NSC
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Telephone:
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(352) 392-8488
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E-Mail:
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wgsawyer@ufl.edu
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Office Hours:
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W 8:30AM - 10:30AM
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Class Hours:
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T, Th 11:45-12:35, Th 12:50-1:40
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Textbook (Required)
Friction and Wear of Materials
Ernest Rabinowicz
ISBN# 0-471-83084-4
Wiley Interscience
Website and Message Board
http://www.me.ufl.edu/tribology
Homework
Four homework sets will be assigned and graded. At least one week is given for the completion of a homework set. The
purpose of the homework is to aid in learning the material. To this end some collaboration among students in
preparing the homework is acceptable. However, in the main, the work should be primarily yours. In an effort to
increase the value of the homework, solutions will be posted on the internet the day after it is due and discussed
in the next available class period. Because of this tight timeline, late homework will not be accepted.
Exams
There will be two examinations, a midterm and a final examination; these tests are open notes closed text.
Project
There will be a written and oral project, which is a literature review of a current topic in tribology research of
the students choosing.
Grading
Homework is 25%, the midterm exam is 25%, the project is 25%, and the final exam is 25%.
Attendance and Class Participation
I consider attendance mandatory, and good class participation will be given consideration during the determining
of final grades.
Academic Integrity
As is understood by the vast majority of students, our basic relationship is based on trust; I have never
encountered a problem in this area. Please familiarize yourself with the Student Guide, the honor code, and the
implied pledge - which accompanies all work submitted for credit.
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