Archived posting to the Leica Users Group, 1997/01/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Dan Cardish wrote: > > At 05:10 PM 01-01-97 -0700, you wrote: > >Dan, > > > >I do not agree with you at all. Resistance to cracking and plasticity are > >not synonymous at all. Brass may not be a harder material than certain zinc > >alloys, but it can be more plastic. This means that it will have a tendency > >to deform rather than fracture. > > > I appreciate your comments, but my point is that the Leica engineers have a > good reason for choosing a metal to build the M6s out of, and that it is not > neccessarily the same reasons that Leicaphiles prefer brass to zinc (isn't > brass an alloy of zinc and some other metal, or am I thinking of bronze?). > Zinc is not a particularly hard metal, if I recall correctly, so I don't > think that Leicas will split open if they fall. > > Some people think that if the M3 was brass, then therefore the M6 should be > brass also, regardless of the actual differences between zinc and brass. > > Dan C. I think they chose brass so it titanium plating would work. I hear Titanium is notorious for not bonding with many other metals. Can anyone verify this?