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T HE J OURNAL
AND J OINT
S URGERY, I NCORPORATED
Corrosion-Induced Fracture of a
Double-Modular Hip Prosthesis
A Case Report
By Sara A. Atwood, MS, Eli W. Patten, MS, Kevin J. Bozic, MD, Lisa A. Pruitt, PhD, and Michael D.
What are they?
How are they dierent from metals and
What are their a6ributes and limita9ons?
Where are they u9lized?
Polymers are semi-crystalline or amor
ME 224 Mechanical Behavior of
Professor Lisa Prui8
Oce: 5134 Etcheverry Hall
Oce Hrs: Thursdays, 2:30-3:30 pm
GSI: Louis Malito
METALS AND ALLOYS
Defects or imperfec;ons serve to both weaken a
crystalline structure and to strengthen that structure
The theore;cal strength is about a tenth of the
elas;c modulus yet
1. Vacuum cleaner
Human-powered pumping bellows
Flap valves for one-direction flow (prevent back flow)
Electronically driven 1950. Mostly metal
Polymeric, better heat insulation, higher operating temperature
We might state it thus: A d
What are their a)ributes? limita0ons?
Where are they u0lized? Why?
Prui% and Chakravartula, Ch 3: Ceramics;
Kingery, Introduc=on to Ceramics
STRUCTURAL CERAMICS: APPLICATIONS
The Dislocation Basis of Yield and Creep
Department of Materials Science and Engineering
Massachusetts Institute of Technology
Cambridge, MA 02139
March 22, 2001
Phenomenological treatments such those outlined in the Module on
Composites are comprised of a matrix material and a reinforcement phase.
Advantages: High strength and s@ness; high specic pro
Corrosion in Metals and Alloys
What are the causes of corrosion?
Why is corrosion important in engineering
structures and designs?
What are the types of corrosion?
L. Prui( and A. Chakravartula, Ch 2 Met
Chem 1411 Exam 3
Mineral oil can be used in place of mercury in manometers when small pressure changes are to be measured. What is the pressure of an oxygen sample in mm of mineral oil if its pressure is 28.5 mm Hg? (d of mineral oil = 0.88