bonding fiberglass to steel and fiber to alum

[haryv]

I dont know if this has ever been dicussed and as alternatives to making steel body parts the idea of making a mold for a fiberglass body part and bonding it to steel or aluminum. This has made me wonder what glues,adheasives or rivits would be best to secure these parts.
What do you people think or have you done this before share your thoughts and experiances.

 

[brayn]

The adhesive quility of Fibreglass Resin is very good.For better adhesion,sand the metal part rough with a sanding disk(P36).

 

[Waggoner5]

Fiberglass has decent adhesive properties but it will not work well under twisting situations. There is no metal that will work well as a core material for fiberglass, no matter what you do to it. It will work for a short time but will eventually pop loose. You would be better off coring with Airex or some of the new coring plastics that can absorb the resin. Thats where the strength is.
There are some companies that build fiberglass parts already up to complete tubs. I personally like the idea, but not their workmanship.
Vacuum bagged Airex cored Kevlar would be super light and much stronger than Aluminum.

 

[Zekester]

I've had luck roughing up aluminum flat bar, then using 3M 5200 as a bonding agent. Paint the exposed aluminum with zinc oxide primer...The 5200 has a degree of flex to it, so you don't get the "pop-off" that you get when directly bonding brittle Fibreglass to the aluminum...