Monthly Archives: November 2016 here

Q: Why does Zirconia cost more than Alumina? A:   1.) Raw material cost. Alumina 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 … Continue reading

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Q: Polyimide / Vespel fasteners and their high temperature capabilities A:   This client is developing a new oven application and was interested in Polyimide fasteners and their high temperature capabilities. In particular they needed:

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So you’ve heard the term, but what is it? Technically, it is a method in which an alloy’s structural matrix is altered on an atomic level by using temperature change to enhance the material’s mechanical properties – increasing the yield and tensile strength. Simply, it is a way to further strengthen a material. It is … Continue reading

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