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Date:         Tue, 29 Jun 2004 14:28:05 -0700
Reply-To:     Aristotle Sagan <killer_jupiter@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Aristotle Sagan <killer_jupiter@HOTMAIL.COM>
Subject:      Re: Curious Question (NVC)
Content-Type: text/plain; charset="iso-8859-1"

Of course, if we are talking alloys here, we are not talking about Aluminum.

With Steel, we are not talking about an element, we are talking about an alloy.

I am not familar enough to know how much of a market pure rolled aluminum has, I would suspect most 'Aluminum' sheets are some type of alloy.

And then there is 'tin' foil.

tim in san jose

----- Original Message ----- From: "Stan Wilder" <wilden1-1@sbcglobal.net> To: "Aristotle Sagan" <killer_jupiter@HOTMAIL.COM>; <vanagon@GERRY.VANAGON.COM> Sent: Wednesday, June 30, 2004 1:46 AM Subject: Re: Re: Curious Question (NVC)

> OK Back to timing belts on this one. > I'm not the person to be specific but there are different types of Aluminum > Plate just as there are different types of steel and stainless. They will > have varying Rockwell hardness and strength characteristics. > Some are specific for machining, some are billets to be melted for castings, > some are soft for extrusions, some are Alloys for specific strength > requirements. > I'd suggest that you ask the local aluminum distributor for his > recommendations. > > Stan Wilder > > ----- Original Message ----- > From: "Aristotle Sagan" <killer_jupiter@HOTMAIL.COM> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Tuesday, June 29, 2004 3:33 PM > Subject: Re: Curious Question (NVC) > > > > I am an engineer, compooter though, so purely a guess eminating from the > dim > > reaches of Chemestry101. The thermal qualities should be the same, the > > strength qualities should be radically different from the process of > > manipulating the billet in the rolling and tempering processes the AL > > undergoes. > > > > I think the heat transfer should be the same as you have not changed the > > electron structure of the material, just how it's aligned. > > > > tim in san jose > > > > > > >From: John Rodgers <jh_rodgers@BELLSOUTH.NET> > > >Reply-To: John Rodgers <jh_rodgers@BELLSOUTH.NET> > > >To: vanagon@GERRY.VANAGON.COM > > >Subject: Curious Question (NVC) > > >Date: Tue, 29 Jun 2004 14:43:17 -0500 > > > > > >I'm not an engineer, but have a question. > > > > > >Cast aluminum has a granular crystal quality in it's structure. Milled > > >Aluminum (hammered, rolled) does not. > > > > > >Of two identical parts, one a machnined aluminum casting, and the other > > >machined in milled aluminum, which would most likely have the best 1) > > >strength 2) heat transfer properties. > > > > > >Inquiring minds would like to know! > > > > > >Anybody?? > > > > > >Thanks, > > > > > >John Rodgers > > >88 GL Driver > > > > _________________________________________________________________ > > MSN Movies - Trailers, showtimes, DVD's, and the latest news from > Hollywood! > > http://movies.msn.click-url.com/go/onm00200509ave/direct/01/ > >


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