Re: RP article on freeze cast process (FCP)

Date: Wed Apr 07 1999 - 04:21:30 EEST

In a message dated 99-04-05 19:39:55 EDT, writes:

<< Then water
 (with "special" additives to minimize air bubbles) is poured into the rubber
 mold and frozen. >>
Water expands when it freezes. Is it isotropic? Then you need to compensate
for the metal shrinkage as it cools. Sounds to me, it might take a few
iterations to get the numbers dialed in.
Andy Scott
Lockheed Martin Aerospace

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