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Ceramics & Glasses
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  • Course
  • Energy for Materials & Environment (MM359)
  • Institution
  • Ghulam Ishaq Khan Institute Of Engineering Sciences And Technology

These are the class slides for the Ceramics & Glasses course this course is very useful to understand Ceramics Structure & Glass making techniques & how we can utilize powder metallurgy.

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Document information

  • January 7, 2022
  • 221
  • 2021/2022
  • Class notes
  • Dr zubair khan
  • All classes

Subjects

  • nanotechnology
  • materials for environment
  • environmental science
  • ceramics
  • glasses
  • chemistry
  • powder metallurgy

Written for

  • Ghulam Ishaq Khan Institute Of Engineering Sciences And Technology
  • Energy for Materials & Environment (MM359)
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MM 362
Ceramics and Glasses
Spring Semester-2020 (Lecture 25-26)




Instructor:
Muzammil Irshad
Lecturer



1

,Summary (Before Mid)
❖ Introduction to ceramics (Traditional, modern)


❖ Structure of ceramics (Pauling rules, Binary and complex structures)


❖ Processing of Ceramics (Shaping, forming i.e. FDM, FDC, CIP, HIP
etc.)


✓ Ceramic Sintering (Mechanism)


✓ Effect of different processing parameters to control the desired
properties


❖ Characterization of ceramics (various techniques)
2

,Glass and Glass ceramics (Introduction)


❖ Glass is a super-cooled liquid

❖ The words glassy, vitreous, and amorphous are all used to
describe glass




Specific Volume
✓ liquid passes into a super-cooled state and V decreases at
about the same rate as above Tm.


❖ Glass transition temperature is the temperature at there
is a transition from rubbery state to a glassy state. .

❖ The fictive temperature, Tf, is the temperature at which
the liquid structure is frozen into the glassy state.

Temperature (K)

3

, Glass and Glass ceramics : (Introduction)




✓ There is often evidence of a short-range order (SRO)
in glasses, which corresponds to the atomic
arrangement in the immediate vicinity of any selected
atom.


❖ Long-range order (LRO) does not exist over
distances greater than, say, 1 nm.




4

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