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glass

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glass fracture

  • Figure 2: The irregular arrangement of ions in a sodium silicate glass.
    In industrial glass: Strength and fracturing

    …semicircular shiny surface called the mirror. The radius of the mirror is inversely related to the fracture stress and, hence, is indicative of the violence of the fracture. (For instance, a thermal fracture generally produces a large mirror, whereas a mechanical fracture often displays a small mirror.) The edges of…

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