[tccrockets] Re: Bonding Aluminum to Fiberglass
- From: James Dougherty <jafrado@xxxxxxxxx>
- To: tccrockets@xxxxxxxxxxxxx
- Date: Thu, 29 Nov 2012 20:50:23 -0800
I think I would break down and buy the whole sheet :-)
http://dragonplate.com/ecart/categories.asp?cID=65
On Thu, Nov 29, 2012 at 8:49 PM, James Dougherty <jafrado@xxxxxxxxx> wrote:
> Sorry, 1/32" thick G-10 Garolite
>
> http://dragonplate.com/ecart/product.asp?pID=3925&cID=93
>
> Ouch, pricy, I know ...
>
> But If you could design the fins to fit those sheets... man oh man.
>
>
> On Thu, Nov 29, 2012 at 8:46 PM, James Dougherty <jafrado@xxxxxxxxx>wrote:
>
>> Richard,
>> What laminates are you using?
>> I have a vacuum setup I am not using if you want to borrow it.
>> -james
>>
>>
>> On Thu, Nov 29, 2012 at 8:36 PM, James Dougherty <jafrado@xxxxxxxxx>wrote:
>>
>>> Actually, Richard, disregard, Cotronics is not what you need for this -
>>> I see what you are doing.
>>> http://www.jamestowndistributors.com/userportal/show_product.do?pid=12214
>>>
>>> It's an acid wash which chemically alters the surface as you've
>>> described.
>>>
>>> Very cool! Can you send us a full report?
>>>
>>>
>>> On Thu, Nov 29, 2012 at 8:30 PM, James Dougherty <jafrado@xxxxxxxxx>wrote:
>>>
>>>> That's exactly what it is, like an etching primer you use for metal.
>>>>
>>>> Get some Cotronics 4540 Machinable aluminum or 4525. I have some
>>>> I can give you one at the next launch if you need like pre-kitted 2 oz
>>>> batches ;-)
>>>>
>>>>
>>>> On Thu, Nov 29, 2012 at 6:09 PM, R Dierking
>>>> <applerocketry@xxxxxxxxxxx>wrote:
>>>>
>>>>> I'm thinking it's acid based to chemically etch the material and also
>>>>> a film so the aluminum will not oxidize immediately when exposed again to
>>>>> the air. Some people use wet sanding of the aluminum to prevent the
>>>>> oxidation layer that prevents good bonding. For this technique, slow cure
>>>>> epoxy (30 minute) is used and the aluminum surface is wet sanded with the
>>>>> epoxy. I know, it sounds like a big mess, but it works!
>>>>>
>>>>> For my application, I'm looking to bond 1/8" thick aluminum between
>>>>> sheets of 1/32" thick G-10 Garolite for fins. The attached photo shows
>>>>> the
>>>>> aluminum test peice.
>>>>>
>>>>> Anyway, I'm probably going to try the West Systems Aluminum Etch on
>>>>> some test pieces and see if I can pull the layers apart.
>>>>>
>>>>> Richard Dierking
>>>>> ------------------------------
>>>>> Subject: [tccrockets] Re: Bonding Aluminum to Fiberglass
>>>>> From: bandman444@xxxxxxxxx
>>>>> Date: Thu, 29 Nov 2012 17:31:47 -0800
>>>>> To: tccrockets@xxxxxxxxxxxxx
>>>>>
>>>>>
>>>>> I don't, when we bonded the aluminum fins to our N5800 rocket we used
>>>>> LOCtite Hysol 9430 and used a sanding while epoxy on approach. It held to
>>>>> Mach 3 so I guess it was ok.
>>>>>
>>>>> The West Systems kit looks interesting.
>>>>>
>>>>> Bryce Chanes
>>>>>
>>>>> Sent from my iPhone
>>>>>
>>>>> On Nov 29, 2012, at 4:51 PM, R Dierking <applerocketry@xxxxxxxxxxx>
>>>>> wrote:
>>>>>
>>>>> Does anyone have experience using the West Systems 860-8 aluminum
>>>>> etch kit for bonding aluminum to fiberglass?
>>>>>
>>>>> Richard Dierking
>>>>>
>>>>>
>>>>
>>>
>>
>
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