Archived posting to the Leica Users Group, 1998/09/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]You make it sound as if titanium is not sutable for camera bodies either! Thank you for clarifying the issue. Dan C. At 03:26 PM 21-09-98 -0400, Frank wrote: > >Dan Cardish wrote > >"I have been told that titanium is no more coslty than steel, and not any >more difficult to machine." > >Sorry Don you have been told wrong. > Loads of "high tech" materials are used in consumer goods for marketing or >fashion reasons only. (They are often used inappropriately by engineers as >well!) [snip] >Titanium is certainly excellent at corrosion resistance but the 6Al4V >normal alloy is not especially strong and all Ti alloys are extremely notch >sensitive and prone to cracking. Also because of its low Youngs modulus >Titanium parts are not very stiff. Still its a good material for a very >limited number of applications. It is specified far to often for >fashionable rather than technically sound reasons! > >Ti does not make a very good choice for a lens barrel in my view.