[Jewelry making - Article 00516] - Re: [Orchid] Keum Boo Nightmare

[Milt Fischbein - Jewellery Artist]

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Hi Jenn

    I often solder after applying my gold and also occasionally run into
    the bubbling problem.  Although, the difference is that I have been
    able to solve the problem by burnishing the gold back down. I have a
    couple of suggestions that may help: 

    1)  How thick is your gold?  I use about 0.03mm.  It is possible
    that your gold is too thick making it difficult to burnish back down
    once it bubbles. 

    2) Are your surfaces clean? Dirty surfaces may cause poor bonding
    between the two metals. 

    3) I do my burnishing on a hotplate.  The kind with the open coils. 
    When you have to smooth out your bubbles, after the tube is soldered
    on, could you not use a hotplate and position the tube part in the
    spaces between the hot plate coils. 

    4) You might consider texturing your fine silver i.e. by using roll
    printing.  I find that when I use textured silver, the gold seems to
    bond better to the silver.  Could be because the textured silver has
    more surface area. Hope these suggestions are helpful. 

Regards
Milt Fischbein
Calgary Canada

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