Mating faces electrical bonding is achieved by having a flat face on each part of the assembly that mates with another part.
Bonding rubber to anodize aluminum.
We are seeking a type of glue to bond aluminium parts in fact we have aluminium strips and we want to bond them with aluminium tubes.
The anodic coating is integral to the base metal and the porous anodic film is wondrously receptive to primers and adhesives.
Historically several bonding methods have been employed within the rubber industry in an effort to achieve a dependable and durable rubber to metal bond.
Thicker aluminum oxide layer increased porosity and increased strength brittleness.
The problem parts come in batches something like a 25 50 fallout rate when we normally have about 0 5 1 fallout.
For very high strength use a metal bonder such as 170 or the original 910.
The problem is no glue will stick to the aluminum not even gorilla glue very well.
Because i ve already googled myself so i m asking for someone that s had success with strong bonding between anodized aluminum surfaces or bare aluminum surfaces not just someone to tell me to use super glue because you think it will work.
10 31 2019 12 54 pm 2.
Although aluminum is a common bonding substrate for epoxy anodized aluminum can present its own set of bonding problems.
Bonding anodized aluminum 3m vhb tape and primer ipa only primer 94 primer ap111 anodizing provides higher strength bonding with epoxy than simply abrading bare aluminum strength retention of epoxy bond is very good anodizing provides a great surface for 3m vhb tape adhesion psa tape previous testing.
Modern adhesive technologies utilize both singleand two coat adhesive formulations with the preference depending upon the service needs of the bonded assembly.
Cyanoacrylate also known as instant adhesives super glue crazy glue ca glue etc.
Aluminum alloy part w anodized surface 2003.
George zafiropoulos kallithea athens greece.
Question we re having a problem with glue not adhering to anodized parts made from extruded 6063 t6 aluminum and finished with heavy etch and black anodize per mil a 8625 type ii class 1.
Anodizing for pre prep bonding bridges the gap between the metallic and composite worlds as it provides a superior surface in many applications on aluminum components for bonding to these composites.
I do not know for sure what kind of rubber it is but it is black and happens to be electrically conductive.
It is very flexible and soft.
For bonding aluminum to dissimilar surfaces with different coefficients of thermal expansion consider toughened 737.
Before gluing i rough the rubber with 150 sandpaper.
We prefer the glue to be dried in ambient temperature.
The aluminum is well slick because that is the finish it ends up with.
