TJ Fundamentals
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Mechanics
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MaterialsTJand MetallurgyTJ(ME-209) TJ
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Dr. Tariq Jamil
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E-mail:
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Office: DICE Energy Lab, MED, NEDUET
, Materials and Metallurgy (ME-209)
(According to Course Outline)
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Mechanical properties of materials: fundamentals of fracture mechanics,
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importance of fractureTJ TJ
mechanics, material characterization TJ surfaces
of fracture
stress distribution around a crack, fatigue testing, S-N curves, creep deformatio
behavior,
TJ ASTM standards forTJ all mechanical tests TJ TJ
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, Books / Resource Material
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• Text book: “Materials Science and Engineering: An Introduction” by
David G. Rethwisch, 7th Edition
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• Chapter# 8 “Failure”
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• Reference book: Principles of Material Sciences & Engineering by
William F. Smith, rd
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• Online resources (Lectures and resource material on Google
TJ classroom, YouTube, Wikipedia)
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, Outline
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• How do cracks that lead to failure form?
• How is fracture resistance
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quantified? How
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do the fracture resistances
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the different material classes compare?
• How do we estimate the stress to fracture?
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• How do loading rate, loading history, and temperature affect the failure
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materials? TJ TJ
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Ship-cyclic loading Computer chip-cyclic Hip implant-cyclic
from waves. thermal loading. loading from walking.
Adapted from chapter-opening photograph, Adapted from Fig. 22.30(b), Callister 7e. Adapted from Fig. 22.26(b),
Chapter 8, Callister & Rethwisch 8e. (by (Fig. 22.30(b) is courtesy of National Callister 7e.
Neil Boenzi, The New York Times.) Semiconductor Corporation.)