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