Archived posting to the Leica Users Group, 2003/07/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Dennis Only a few of the Ti alloys are superplastic, but you will find that the tooling required makes it prohibitively too expensive for camera use. Best to save it for aerospace materials (and race cars, of course). Jerry Dennis Painter wrote: > Frank Dernie wrote: > > > Quite correct Jerry, also the F3 titanium has a titanium top, prism > > cover and baseplate - some were painted a "titanium" colour - it does > > seem that titanium is frequently used to describe a colour rather than > > a metal these days. Subsequent F3 titaniums were painted black I > > believe. The Olympus OM4Ti has titanium top and bottom plates also, > > most are painted black. Titanium, as you know but it seems others > > don't, is much lighter and harder than brass and is much more difficult > > to press or machine. > > I suppose titanium is a bit of a buzz word at the moment, like turbo a > > few years ago. Plenty of items are sold in a titanium colour just now. > > I was mystified by the titanium coated Leica. It does look nice but > > both the black and natural chrome plates which have been offered since > > the M5 are very robust so it really has only styling as a justification > > IMO. > > Frank > > Hi Frank, > > How do the superplastic Ti alloys figure into forming? Any applications in > F1? Could this technology carry over into the camera field? I do notice use > of magnesium castings now on some digital cameras. Looks like a good > materials application as that stuff is light and much easier to cast than > Ti. > > Regards, > Dennis > > PS: right about the thermal coefficient for Ti in cookware. I think Ag has > the best coefficient but a bit expensive compared to Cu. > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html