ME 4733 Deformation and Fracture of Engineering Materials

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ME 4733Deformation and Fracture of Engineering
Materials
http//me.lsu.edu/tan/teaching/defrac.htm
Instructor Dr. Honglai Tan tan_at_me.lsu.edu
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Explosive cracking simulation
H. Tan, CSAFE annual report, 2001
Center for the Simulation of Accidental Fires and
Explosions
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Explosive cracking experiment
P.M. Dickson et al., Los Alamos National
Laboratories
Ignition of PBX 9501 after first heated to 200C
in around one hour and then ignited by hot wire
at the center.
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Impact Ignition and Explosion
J. Guilkey, T. Harman, H. Tan, University of
Utah B. Kashiwa, Los Alamos National Lab
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Brown University
Nano micromechanics Laboratory
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Course Outline
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Stress-strain curve
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Necking
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Fatigue Fracture
Cyclic stress
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Case study how the World Trade Center fell
The design of the WTC saved thousands of lives by
standing for well over an hour after the planes
crashed into its twin towers. High temperature
for buckling and collapsing.
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Multiscale thinking
D. Raabe Computational Materials Science 1998
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After class reading
Hertsburg Course webpage