Glass Ceramics Properties and Uses
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Questions and Answers

What material is added to alumina to improve abrasion resistance?

  • Silica
  • Sodium silicate
  • Magnesia
  • Chromium oxide (correct)
  • Which material is nearly as hard as diamond but vastly less expensive?

  • Tungsten Carbide
  • Boron carbide (correct)
  • Magnesia
  • Silica glass
  • In which form is Tungsten Carbide (WC) most commonly used?

  • Cemented carbide (correct)
  • Encapsulated in glass
  • Foam form
  • Ceramic form
  • What is the main application of Born Carbide (B4C)?

    <p>Bulletproof body armor</p> Signup and view all the answers

    What is a key characteristic of Silica glass mentioned in the text?

    <p>Resistance to temperature and thermal shock</p> Signup and view all the answers

    Which type of glass involves the process of crystallization to a certain extent?

    <p>Glass ceramic</p> Signup and view all the answers

    What are some typical uses of glass ceramics as mentioned in the text?

    <p>Applications such as teeth crown and cookware</p> Signup and view all the answers

    Which glass type is commonly sold under the brand name 'Pyrex'?

    <p>Borosilicate glass</p> Signup and view all the answers

    Which type of glass is also known as Pyrex?

    <p>Borosilicate glass</p> Signup and view all the answers

    What is the main composition of soda lime glass?

    <p>13-17% NaO, 5-10% CaO, 70-75% SiO2</p> Signup and view all the answers

    What is the commonest use of soda lime glass?

    <p>Light bulbs</p> Signup and view all the answers

    Which type of glass has high resistance to thermal shock?

    <p>Borosilicate glass</p> Signup and view all the answers

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