It's done by a modified version of freeze casting. In this case the
investment slurry is alcohol based and refrigerated to avoid melting. The
invested ice pattern is then freeze dried (below zero centigrade) to impart
rigidity to the shell and the ice melts out at room temperature afterwards.
From: email@example.com [mailto:firstname.lastname@example.org]On Behalf Of
Sent: Sunday, February 11, 2001 4:01 PM
To: Rapid Prototyping List
Dear RFP knowledgeable,
Pardon my curiosty; especially if the process is proprietary!
But, how is it that the shell can be developed around the Ice model
before it melts??
There must be a special process involved?
- Jim Pike
For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
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