×
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

Honeycomb and cell structures

Honeycomb and cell structures

Honeycomb and cell structures

(OP)
I am curious if a hexagonal, honeycomb, cellular structure has anything in the way of stiffness or strength over a square cell structure in out of plane compression and shear.  Say a similar thickness sheet made of similar thickness cell walls with a similar mass per unit area...?  

RE: Honeycomb and cell structures

I'm not entirely sure I understand the question.  But the honeycomb panels like I've seen in the aircraft industry, it looked like the honeycomb shape was a byproduct of the method of manufacture, not necessarily an end in itself.  They glue those sheets together with alternating strips of glue, then stretch them out.  If the glue strip were infinitely thin, you'd get a diamond/square pattern, but with actual glue, you get the honeycomb.  If you're looking at some other method of manufacture, a square layout might work great.

RE: Honeycomb and cell structures

One thing to note is that with similar cell counts, the hexagons will have shorter sides than a square- so a smaller distance between corners- which is potentially stronger in compression.

RE: Honeycomb and cell structures

Hexcel produced some useful technical documents detailing the strength of honeycomb materials.  In particular try to find "TSB 120 Mechanical Properties of Hexcel Honeycomb Materials".

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