×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Hardening Law Data for Elasto-plastic analysis

Hardening Law Data for Elasto-plastic analysis

Hardening Law Data for Elasto-plastic analysis

(OP)
I am trying to do an elasto-plastic analysis in Mechanica. What is a good source to obtain either the data or equation of hardening law for some metals such as 17-4PH, Al 7075-T6 etc

Thanks
YSM

RE: Hardening Law Data for Elasto-plastic analysis

Physical testing or atlas of stress strain curves.

Remember, to convert the engineering stress strain data to true stress vs plastic strain data.

Steve
 

Stephen Seymour, PE
Seymour Engineering & Consulting Group
www.seymourecg.com  

RE: Hardening Law Data for Elasto-plastic analysis

(OP)
Thanks Steve, I will see if I can get access to the Atlas and check it out. Thanks again

YSM

RE: Hardening Law Data for Elasto-plastic analysis

(OP)
Steve,
I got hold of the book. I have attached the graph for heat treat H925.
Can I use the graph (attached) as it is in Mechanica or do I have to convert the beyond-yield part of the curve for hardening using the Ramberg-Osgood parameters. If so only the n value is given, how can i obtain either the K in the formula

Strain = (Sigma/E) + K(Sigma/E)^n

or alpha in the formula

Strain = (Sigma/E) + alpha*(Yield/E)*(Sigma/Yield)^n

Thanks for your help.
ysm
 
 

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources