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Anonymous Poster

compressible load bearing materials.

10/16/2008 10:27 AM

I want to support a ceramic piston to a steel shaft, is there a compressible load bearing material thats heat tolerant out there that could absorb any expansion of the different materials without putting undue stress on the ceramic piston so as to crack it. The shaft and the piston would move in unison so the compressible material would not act as a bushing or bearing.
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#1

Re: compressible load bearing materials.

10/17/2008 2:55 AM

Depending upon temperature, glass-filled PTFE might be applicable? The material has applications in high temperature bearings.

If lower temperatures are being withstood, how about HDPE, as used for the sole plates of modern railway junction switch baseplates? It's a bit "spongier" than glass-filled PTFE.

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