Feb 27, 2007 #1 no2metal Materials Joined Feb 22, 2004 Messages 8 Location GB Gents, Can pullout strength (e.g. of an insert or bolt)of composite be determined by analysis??
Feb 27, 2007 #2 SWComposites Aerospace Joined Nov 6, 2000 Messages 3,717 Location US Only as a very crude approximation: use a conservative interlaminar shear strength times an assumed effective area. Testing is recommended. Upvote 0 Downvote
Only as a very crude approximation: use a conservative interlaminar shear strength times an assumed effective area. Testing is recommended.
Mar 1, 2007 Thread starter #3 no2metal Materials Joined Feb 22, 2004 Messages 8 Location GB Thanks SWC, Question, don't the fibre strength and thickness of the laminate play any part in the pullout strength Upvote 0 Downvote
Thanks SWC, Question, don't the fibre strength and thickness of the laminate play any part in the pullout strength
Mar 1, 2007 #4 SWComposites Aerospace Joined Nov 6, 2000 Messages 3,717 Location US Yes, but pull-thru strength is a very complicated mix of failure modes. Have tried to correlate several analyses with data without much success, unless one is very conservative with assumptions. Upvote 0 Downvote
Yes, but pull-thru strength is a very complicated mix of failure modes. Have tried to correlate several analyses with data without much success, unless one is very conservative with assumptions.
Apr 6, 2007 #5 pcompg Aerospace Joined Feb 21, 2007 Messages 5 Location US Normal load can be applied to surface and then check material permissible stresses and strains. Do you have glass fibers or carbon fibers? Upvote 0 Downvote
Normal load can be applied to surface and then check material permissible stresses and strains. Do you have glass fibers or carbon fibers?
Apr 6, 2007 #6 SWComposites Aerospace Joined Nov 6, 2000 Messages 3,717 Location US ameyad - have you correlated your method to test data? or is it just theoretical? Upvote 0 Downvote
Apr 7, 2007 Thread starter #7 no2metal Materials Joined Feb 22, 2004 Messages 8 Location GB ameyard, the fibres are carbon fibre in fabric and UD form. Could you be more specific with regards to the material permissible stresses and strains Upvote 0 Downvote
ameyard, the fibres are carbon fibre in fabric and UD form. Could you be more specific with regards to the material permissible stresses and strains