Nickle silver and epoxy

Hengelo_77

Hengelo_77

Basic Member
Joined
Mar 2, 2006
Messages
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I have a hard time epoxying nickle silver spacers to G10.
I had 3 spacers come off in two atempts.
I do everything as normal, degreace with alcohol, rough the surface, no over clamping, letting it cure warm and hand tools only afterwards.

Is there something about nickle silver that makes it hard to epoxy?
 
I was having the same problem with bone and G10, and thought the epoxy was old stock. Contacted the manufacturer and was told that nickel silver does in fact have some issues with adhesion. He explained it, but it was way above my pay grade. He sent me new products to try… worked similarly. Weird thing is that I never had problems with NS back in the eighties with what few folders I did, using Devcon or some other off the hardware store shelf.
 
Mixing small amount of epoxy can be tricky sometimes .I mean on ratio and properly mixing . Ambient temperature is crucial .
Too many folder and i can t find now some picture but this is what i do on metal spacer................holes
d1zmoRi.png
 
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when were the spacers coming off ? during shaping ? if so, i have noticed copper, brass, and nickel spacers and liners pop off easily from heat during shaping. the heat seems to travel really fast through those metals, changing their size microscopically. the g10 stays the same size, and the epoxy pops off because it cannot hold.
 
I'm with Natlek on that, pre-shape real close before assembly, epoxy pin holes and If I'm doing mutli pieces stacked I'll use long reinforcing pins. Then watch the heat still. Copper's definitely the worst for me.
 
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