[Jewelry making - Article 00095] - Re: [Orchid] Broken twist drills

[James Binnion]

========[ Invite a Friend - http://www.ganoksin.com/invite.htm  ]========

Fernando,

    Bleach is a chlorine compound (sodium hypochlorite solution) It is
    used to clean clothing and floors and it is also as a disinfectant.
    It is also corrosive to metals. It will damage nickel white golds and
     other metals by what is called stress crack corrosion it creates 
    inter granular corrosion allowing the metal to crack along the 
    crystal boundaries. It probably is dissolving the drill bits by
    electrolysis. It is a poor choice for this due to its ability to
    cause the stress crack corrosion. There is an article about this
    phenomenon at 

    Do Chemicals Effect Your Gold?
    http://www.ganoksin.com/orchid/archive/200502/msg01040.htm

James Binnion
jbin AT mokume-gane.com
James Binnion Metal Arts
http://www.mokume-gane.com
360-756-6550

____________________________________________________________________
T h e   O r c h i d   L i s t
Open Electronic Forum for Jewelry Manufacturing Methods and Procedures
____________________________________________________________________
Orchid FAQ:
~ http://www.ganoksin.com/orchid/faq.htm
Orchid Archives:
~ http://www.ganoksin.com/orchid/archive
Orchid Galleries:
~ http://www.ganoksin.com/orchid/gallery.htm
Invite a Friend:
~ http://www.ganoksin.com/invite.htm
____________________________________________________________________
Tips From The Jeweler's Bench - Article Archive
~ http://www.ganoksin.com/borisat/tip_sear.htm
The Jeweler's Selected Bibliography List
~ http://www.ganoksin.com/jewelry-books
Buy Orchid Jewelry:
~ http://www.ganoksin.com/shop
____________________________________________________________________
-Unsubscribe:
-Email: orchid-request AT ganoksin.com Body=unsubscribe subject=blank
____________________________________________________________________