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    • Female Skateboarder on a skateboard park + silicon nitride balls
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 9 April 2010 Size: 9.2 MB Referencing Hub media

    Many skateboarders choose silicon nitride ball bearings (inset) for smooth, low-friction wheel characteristics. Silicon nitride is a hard, tough ceramic with excellent wear resistance.

    Skateboarder photo ChrisGoldNY, CC BY-NC 2.0, sourced from Flickr.

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      Advanced ceramics – oxides and nitrides

      An oxide is a chemical compound made up of oxygen combined with at least one other element. Most of the Earth’s crust consists of oxides. Nitrides used in ceramics consist of nitrogen atoms ...

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      2. ARTICLE

      Ceramics – introduction

      The term ‘ceramic’ comes from the Greek word meaning ‘pottery’ – these clay-based domestic wares, art objects and building products are familiar to us all – but pottery is just one part of the ...

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