PPT Slide

• One example of a material property that is dependent on grain size is the strength of a material; as grain size is increased the material becomes weaker (see Fig.16.8). Note that

  • strength is expressed in units of stress (MN/m2)
  • grain size of a material can be altered (increased) by annealing

• Hardness measurement (e.g., by vickers indenter) can provide a measure of the strength of the material.

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