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Lab talk, the good, the bad, and the ugly
Zirconium
Aidite 3D multilayer bridges deformed
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<blockquote data-quote="Wainwright" data-source="post: 305564" data-attributes="member: 20457"><p>I think this is a result of the way the zirconia is manufactured. This is just a theory but it could have something to do with it.</p><p></p><p>There are three ways to make zirconia discs:</p><ul> <li data-xf-list-type="ul">Isostatic pressing (pressure from all angles, in a bag, underwater)</li> <li data-xf-list-type="ul">Unilateral pressing (in a former or mold being pressed from the top and bottom)</li> <li data-xf-list-type="ul">Chemical solidification (just uses a chemical and binder the hold the zirconia together, Glidewell famously uses this technique)</li> </ul><p></p><p>Unilateral pressing is by far the cheapest way to make zirconia discs, I would guess thats how the zirconia that you are using is made. Isostatic is much harder to do and more expensive of a process but it creates a uniformed zirconia disc in the process. Most high quality, more expensive, zirconias use Isostatic pressing.</p><p></p><p>I could be wrong but I think its worth adding to this conversation.</p></blockquote><p></p>
[QUOTE="Wainwright, post: 305564, member: 20457"] I think this is a result of the way the zirconia is manufactured. This is just a theory but it could have something to do with it. There are three ways to make zirconia discs: [LIST] [*]Isostatic pressing (pressure from all angles, in a bag, underwater) [*]Unilateral pressing (in a former or mold being pressed from the top and bottom) [*]Chemical solidification (just uses a chemical and binder the hold the zirconia together, Glidewell famously uses this technique) [/LIST] Unilateral pressing is by far the cheapest way to make zirconia discs, I would guess thats how the zirconia that you are using is made. Isostatic is much harder to do and more expensive of a process but it creates a uniformed zirconia disc in the process. Most high quality, more expensive, zirconias use Isostatic pressing. I could be wrong but I think its worth adding to this conversation. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Zirconium
Aidite 3D multilayer bridges deformed
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