You are here
Johsnon-cook model parameter determination
Hello All!!!
I am Arun, Master degree student in South Korea.
My research field is : High strain rate experiemnts
I did High speed tensile test for aluminium alloy at four different speeds (1m/s, 5m/s, 10m/s and 15m/s)
I also did high temp tensile test for aluminium alloy at room temperature, 100 C, 250C
Now i have the stress Vs Strain curve for High speed tensile test and high temperature test
But, i don't know how to determine Johnson-Cook model parameter from the experimental results
I read many reference, but it's confusing
Can some one guide me to determine the parameters
Thanks and regards,
Arun
- psarunirtt's blog
- Log in or register to post comments
- 2939 reads
![Subscribe to Comments for "Johsnon-cook model parameter determination"](https://imechanica.org/misc/feed.png)
Comments
Johsnon-cook model parameter determination
Hello Arun,
You need to convert those stress- strain curve from high spped tests which are also know jump test to stress Vs. strain rate. Johnson Cook model contains terms of equivalent plastic strain & strain rate.
Thanks,
Vinand
johnson cook parameter of st 37
is that you can help me to download this thesis, I can not do it in my country.
« Numerical And Experimental Investigation Of Perforation Of St-37 Steel Plates By Oblique Impact » :
http://etd.lib.metu.edu.tr/upload/3/12612045/index.pdf
here is my email: ben2oeb@yahoo.fr
thank you