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Silvering brass

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Samsaranda14/05/2019 21:14:48
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1688 forum posts
16 photos

For finding cracks in brass cartridge cases I would assume the best method for detection would be a standard dye penetrant technique, very effective at showing fine hairline type cracks. Why would you be checking brass cartridge cases, I assume this is on used cartridges prior to reloading them?

Dave W

ken king, King Design14/05/2019 22:58:16
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144 forum posts
239 photos

In days of yore, when I was tank processing industrial photographs, our M.D., who restored clocks, would snaffle a little of the spent fixing solution, which he wiped over cleaned brass faces to deposit a layer of silver.

The remaining solution had steel wool immersed in it to collect the silver, the wool then being sent away for silver reclamation and refinement.

If you happen to know a professional photographer ...............

Blue Heeler15/05/2019 01:59:17
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342 forum posts

This is how I DIY nickel plate brass -

 

Edited By Jim Dobson on 15/05/2019 01:59:26

Michael Gilligan15/05/2019 07:43:36
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23121 forum posts
1360 photos

< post moved to the Nickel Plating thread >

Edited By Michael Gilligan on 15/05/2019 07:47:08

V8Eng15/05/2019 21:03:23
1826 forum posts
1 photos
Posted by Jon Lawes on 11/05/2019 23:30:08:

How on earth does that work then V8Eng, sounds like snake oil (only sounds like, your results sound pretty convincing)

I notice that others have gone into the chemistry aspects, that is beyond me.

Thought I would do a test though on polished brass and copper, the results of a quick test are below (including the iPad shadow).

 

7898c6fb-f0a6-4018-b0e6-ec3f329bf605.jpeg

 

310172a9-c91f-4592-8996-c49c7e373d0f.jpeg

 

Oops the dreaded photo rotation bug has struck!

 

Edited By V8Eng on 15/05/2019 21:04:54

Edited By V8Eng on 15/05/2019 21:14:28

Edited By V8Eng on 15/05/2019 21:19:34

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