×
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

Rubber state of cure theory

Rubber state of cure theory

Rubber state of cure theory

(OP)
I am trying to understand how a rubber sample state of cure changes with time. Up to now I have created a temperature plot in which the temperature is known at each point within the rubber component however, I am having difficulty understanding how it cures.

The information I have currently is a torque vs time graph (obtained from a isothermal MDR test) and I the geometry the test was conducted on. After searching online I found the following equations:
http://gyazo.com/30a6ea7f56f5958f982ff8df74ee7484

Will the data I have and the equations in the above link be enough for me to determine how the state of cure changes with time from the temperature plot which I currently have?

Note, I want to keep this somewhat simple therefore, I am not going to be including the heat generated from the curing reaction and make the assumption that the rubber surface temparature is the same as the mould temperature.

RE: Rubber state of cure theory

(OP)
I have looked over this a few times now and have realized that this theoretical analysis requires either a Calorimeter test result to determine change in enthalpy or results obtained from MDR in Scanning Mode. I have neither of these therefore, could anyone please suggest a method for cure analysis which requires the data that I do have?

Thank you.

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


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close