Foundry Castings

[David Ilvedson]

Sure, go on...but I don't see anything in your list that has a compelling property superior to cast iron...do you?

David I.



----- Original message ---------------------------------------->
From: Phillip Ford <fordpiano@earthlink.net>
To: <pianotech@ptg.org>
Received: Tue, 27 Aug 2002 19:28:56 -0700
Subject: Re: Foundry Castings

>> I would think that several of the leading
>> manufacturers...Yamaha, for example
>> would have researched this and come the
>> conclusion that cast iron is the best
>> material for job.  Cost included.  The material
>> would have to be easy to machine/grind etc.
>> What could take its place?
>>
>> David I.

>Steel.
>Iron alloys other than gray iron.
>Nickel alloy.
>Metal matrix composite.
>Glass/epoxy.
>Carbon/epoxy.
>Boron/epoxy.
>Ceramic.

>Shall I go on?

>Phil F