Tag Archives: zirconia ceramic

Cost comparison of Zirconia vs Alumina screws

Posted on February 8, 2017 by dean

Q: Why does Zirconia cost more than Alumina? A:  1) Raw material cost: Aluminia is far more abundant, whereas Yttrium oxide which is a stabilizer for Zirconia ceramic, is a rare earth element. 2) Shaping costs: Due to its higher density it takes approximately 10x longer to grind down and shape … Continue reading →

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Zirconia vs alumina fasteners

Posted on February 8, 2017 by dean

Q: What advantages does Zirconia have over Alumina? A:   Usually for most high temperature or electric insulator applications where ceramics are needed, alumina ceramic fasteners are the most popular choice due to their properties and relatively affordable price compared to zirconia fasteners. However sometimes the extreme properties of zirconia fasteners … Continue reading →

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Bolts for high temperature vacuum furnace: Metal vs. Ceramic

Posted on February 8, 2017 by dean

Q: I’m using a high temperature vacuum furnace at 2500F. What type of material do you suggest using and is there any advantage of using a metal over a ceramic? A:   Under vacuum conditions with little to no oxygen present, there are some metallic options for fasteners which include … Continue reading →

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