Feb 27, 2007 #1 no2metal Materials Feb 22, 2004 8 0 0 GB Gents, Can pullout strength (e.g. of an insert or bolt)of composite be determined by analysis??
Feb 27, 2007 #2 SWComposites Aerospace Nov 6, 2000 3,296 8 38 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 Feb 22, 2004 8 0 0 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 Nov 6, 2000 3,296 8 38 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 Feb 21, 2007 5 0 0 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 Nov 6, 2000 3,296 8 38 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 Feb 22, 2004 8 0 0 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