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  1. goyo0812

    Anodizing 6061-T6 Aluminum

    I have a big trouble with paint peel off issue. After applying Primer on anodized surface of AA 6061, i carried out wet addhesnion test thoughM, Most of cases failed. The anodizing method is boric acid-sulphuric acid anodising NOT CAA Of course, for comparision, same material of substarte(AA...
  2. goyo0812

    Resin Rich between individual plys

    about 4times compare to nomal thickness of resin layer between plys, Yes it is in a flat area this resin rich occured over certain area of the entire area
  3. goyo0812

    Resin Rich between individual plys

    The defect was found as FO(Foreign Objective)by NDT. after doing section cut, i relaized that the defect was NOT FO BUT Resin Rich
  4. goyo0812

    Resin Rich between individual plys

    This part is made by ATL machines using CFEP UD Tape some parts have been rejected due to resin rich between individual plys after NDT inspection I am trying to know how this issue happened though, there was no any change in roller presure and No difference in bagging and cure process Do you...
  5. goyo0812

    Radius Bridging Issue

    Dear. SWcomposites Angle is 172degree, Total plies are 44plies and this material is CFRP fabric this part is cured in Autoclave. Dear. Compositepro and cpinz just before, I got a good result by adding addtional filler plies to radius area. I will keep posting when other result comes out...
  6. goyo0812

    Radius Bridging Issue

    Compositepro Thank you very much for your sharing valuable information. Could you please check below article? this article said that "Fibre bridging may be reduced by using rollers to press the fabric into the corner or by incorporating slip-lines into the layup. However, especially in the...
  7. goyo0812

    Radius Bridging Issue

    I need your help Now i am struggling with radius bridging issue on ramp down area of C type as follow This part is made by hand layup using CFRP fabric prepreg. Now what i am trying is to enhance consolidation by applying compation for each ply. Each compation time takes around 10minutes...
  8. goyo0812

    Pin hole or surface porosity

    hello blakman !! Thank you very much for your valuable information. i realized there were one TYPO in my original question. i fixed the TYPO from adhesive film to peel ply
  9. goyo0812

    Pin hole or surface porosity

    I am wondering how to create pin holes on surface of composite(in other words surface porosity) under peel ply and to solve this problems Could you help me?

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