Search results for query: *

Dear all, Does anyone know how of any technique of infusing a resin film with 30 poise viscosity (lowest in can go @ 250°F) to a highly compacted dry carbon tow of 24K strands? I've tried using vacuum bag at 28 in-Hg heat to 250°F and a dwell of 30 minutes but the core is dry. Will the use of...

Hi Fieldteam, Thanks for your help. I need to know the boeing spec number for an aerospace composite layup cleanroom requirements. Can you help. Thanks again.

Hi Does anyone knows the spec call out for Boeing Requirements on cleanroom? I've got ISO 14664-1 & -2 as a reference cleanliness but have got no reference for boeing requirements.

mea02as From my experience, we should not be riveting a composite laminate as this will cause delamination in the composite structure. Even with the use of cherry fasteners will cause delamination due to the impact while forming the rivet heads. There are specially designed fasteners used for...

Hi Jim, Thanks for your recommendation. I've heard about laser shearograph before and had tried some test from a company called laser technology Inc but they could not detect a flaw in our imparted delaminated test specimens. Thanks!

Do anyone has any research into detecting delamination in graphite laminate structure? I've tested using ultrasonic testing but the results doesn't seem promising. I've imparted a delamination in a laminate was this delamination was not detected using ultrasonic testing. The delamination was...