Archived posting to the Leica Users Group, 2003/07/27

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: Re: [Leica] Re: LUG metallurgist
From: Jerry Lehrer <jerryleh@pacbell.net>
Date: Sun, 27 Jul 2003 08:38:00 -0700
References: <5E002EC4-C021-11D7-8A28-0003938C439E@btinternet.com> <3F23EBDC.1A7873EA@hale-pohaku.com>

Dennis

Aluminium has proven to have an adequate conductivity for cookware.
though lots of chefs would include a thick slab of low conductivity
stainless steel to promote a more uniform distribution of heat across
the cookware.

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

Replies: Reply from "animal" <s.jessurun95@chello.nl> (Re: [Leica] Re: LUG metallurgist)
In reply to: Message from Frank Dernie <Frank.Dernie@btinternet.com> ([Leica] Re: LUG metallurgist)
Message from Dennis Painter <dennis@hale-pohaku.com> (Re: [Leica] Re: LUG metallurgist)