CHEMISTRY AND TECHNOLOGY OF GLASSES
cod. 1004373

Academic year 2014/15
1° year of course - Second semester
Professor
BISCEGLIE Franco
Academic discipline
Fondamenti chimici delle tecnologie (CHIM/07)
Field
Attività formative affini o integrative
Type of training activity
Related/supplementary
48 hours
of face-to-face activities
6 credits
hub: PARMA
course unit
in ITALIAN

Learning objectives

To give the comprehension to this strategic material

Prerequisites

None

Course unit content

Composition, Structure, Properties, History of Glasses

Full programme

General aspects of the glass

The glassy state

Structure of Glass

Liquid-liquid phase separation : Vycor glass

Nucleation and crystallization of glass: glass-ceramics

Mechanical and chemical properties of glass-ceramics

The viscosity of the glass and its implications

Fixed points of the viscosity

Measurement of viscosity

Calculation of viscosity

Density of glass

Thermal expansion of the glass

Effects of linear expansion

Stresses in welds

Thermal stress

Annealing and stress reduction

Stress measurement

Mechanical resistance of glass

Cracks and their influence on resistance

Measurement of the mechanical resistance and increased impact resistance

Importance of surface resistance

Statistics of fractures

Test of fracture

Analysis of the fracture and its application to flat glass and container

Optical Properties

Refractive index

Optical dispersion

Fiber Optics

The color in the glass

Factors that influence the redox equilibrium in the glass

Colloidal Colors

Bleaches

Electrical properties of glasses

Ionic conductors

Electrically conducting

Chemical resistance of glass

Improvement of chemical resistance

Composition of commercial glasses

Compositions of special glasses

Effect of various oxides on the properties of glasses

Phase diagrams of the systems that give rise to glass

Introduction to fusion of the glass : fuel and electric ovens

Refractories for furnaces .

Glass in Civil Engineering

Bibliography

J. E. Shelby - Introduction to Glass Science and Technology - 2nd Edition - RS.C

Teaching methods

Lectures, Seminars, Visits to Factories

Assessment methods and criteria

Oral examination

Other information

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