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How to use small cracks theory to solve fatigue problems???
Sat, 2010-05-15 22:11 - Lang Zhou
I really need help with it .Anyone can help me . Thanks a lot .
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How to use the crack
How to use the crack progation formula? Which one is more accurat??
well you write not clear, but if you like have a look here
There is no simple treatment of short crack theory, but a lot of misunderstandings. please refer to
The very bizzare story of the
paper: FFEMS-4283 - A simplified "damage ...
and
the Fatigue lecture by Suo.
Michele Ciavarella, Politecnico di BARI - Italy, Rector's delegate.
http://poliba.academia.edu/micheleciavarella
Editor, Italian Science Debate, www.sciencedebate.it
Associate Editor, Ferrari Millechili Journal, http://imechanica.org/node/7878
Thank you ..
Thank you ..
Notice however that Suo's lecture contains no short cracks!
When I say Suo's lecture, I refer to this which in the original form contains no reference to short cracks.
However, in my other post which unfortunately grew to large number of comments and is difficult to follow (120 comments!), you do find reference to short cracks.
The best to start from by far in any area of fatigue is Fleck and Asbhy review paper, which I largely comment in my
The very bizzare story of the
paper: FFEMS-4283 - A simplified "damage ...
including a lots of the original figures.
Here is the reference anyway
Overview no. 112: The cyclic properties of
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engineering materials
Acta Metallurgica et Materialia,
Volume 42, Issue 2, February 1994, Pages 365-381
N.A. Fleck, K.J.
Kang, M.F. Ashby
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Michele Ciavarella, Politecnico di BARI - Italy, Rector's delegate.
http://poliba.academia.edu/micheleciavarella
Editor, Italian Science Debate, www.sciencedebate.it
Associate Editor, Ferrari Millechili Journal, http://imechanica.org/node/7878