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12 - Melting

from Part III - Types of Phase Transformations

Published online by Cambridge University Press:  24 April 2020

Brent Fultz
Affiliation:
California Institute of Technology
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Summary

Chapter 12 discusses the enthalpy and entropy of solid and liquid phases near the melting temperature Tm, and highlights rules of thumb, such as the tendency for the entropy of melting to be similar for different materials. Correlations between Tm and the amplitude of thermal displacements of atoms (“Lindemann rule”), and between Tm and the bulk modulus are presented, but these correlations are semiquantitative at best. Richard's rule for the entropy of melting is more robust. Interface behavior during melting is covered in more detail, including premelting. At a temperature well below Tm, a glass undergoes a type of melting called a “glass transition” which is discussed in more detail in this chapter. Some features of melting in two dimensions are described, which are quite different from melting in three dimensions.

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Publisher: Cambridge University Press
Print publication year: 2020

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  • Melting
  • Brent Fultz, California Institute of Technology
  • Book: Phase Transitions in Materials
  • Online publication: 24 April 2020
  • Chapter DOI: https://doi.org/10.1017/9781108641449.016
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  • Melting
  • Brent Fultz, California Institute of Technology
  • Book: Phase Transitions in Materials
  • Online publication: 24 April 2020
  • Chapter DOI: https://doi.org/10.1017/9781108641449.016
Available formats
×

Send book to Google Drive

To send content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about sending content to Google Drive.

  • Melting
  • Brent Fultz, California Institute of Technology
  • Book: Phase Transitions in Materials
  • Online publication: 24 April 2020
  • Chapter DOI: https://doi.org/10.1017/9781108641449.016
Available formats
×