[modeleng] Re: CI, was ] Re: unknown thread
- From: john.burridge@xxxxxxxxxx
- To: modeleng@xxxxxxxxxxxxx
- Date: Fri, 15 Oct 2004 20:32:25 +0200 (CEST)
Hi to All,
I don't work at Rolls-Royce but Williams Formula One the racing car firm, we
used lots of various steels, Aluminiums, Titaniums,Magnesiums, if there are any
specifications either for original bought in materials or heat treatments and
or surface coating pleas just ask.
I work in the Prototype department and have always worked in R&D inviroment all
my workink life so just ask.
yours John Burridge
> Message date : Oct 15 2004, 06:40 PM
> From : "Jeff Dayman"
> To : modeleng@xxxxxxxxxxxxx
> Copy to :
> Subject : [modeleng] Re: CI, was ] Re: unknown thread
> Hi AJ,
>
> Are you sure you are talking about steel and not wrought iron? Today's
> steels especially tool steels are far better in strength and workability and
> are cleaner than steels from earlier ages, and tool steels are certainly
> cheaper that ever before.
>
> Wrought iron or wrought steel is no longer commercially used, but did have
> its' purposes. However, it was not uncommon due to the way it was made to
> have major metallurgical defects in it that made it unreliable for critical
> applications.
>
> To say that modern steel is inferior to older steels smacks of urban myth
> not fact in my opinion.
>
> Anyone on the list work at Rolls Royce metallurgical dept that can offer
> comment?
>
> Cheers, Jeff Dayman Waterloo Ontario Canada
>
>
>
>
>
>
>
>
> ----- Original Message -----
> From: "alanjstepney"
> To:
> Sent: Friday, October 15, 2004 11:34 AM
> Subject: [modeleng] CI, was ] Re: unknown thread
>
>
> > It wears far less.
> >
> > Also, steel of an earlier era is much better than that available today.
> > I understand that the builders of the new loco that Rolls Royce are doing
> > much of the work on, found that the characteristics of samples of original
> > steel as used in similar engines, could not be matched by todays steels.
> >
> > alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >
> > www.alanstepney.info
> > Model Engineering, Steam Engine, and Railway technical pages.
> >
> > ----- Original Message -----
> > From:
> > To:
> > Sent: Friday, October 15, 2004 4:21 PM
> > Subject: [modeleng] Re: unknown thread
> >
> >
> >
> >
> > Which leads to another question: would a plain cast iron cylinder ( and
> > for that matter steam chest) suffer relatively little wear because of the
> > graphite inclusions providing lubrication, or does it wear faster than a
> > lubricated steel lienr?
> >
> > Peter Chadwick (soon to be on a 'plane home!)
> >
> >
> > MODEL ENGINEERING DISCUSSION LIST.
> >
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