PROPERTIES OF MATERIALS
THEORY
TABLE OF CONTENTS
WEEK 1
1.1 Reasons for the study of properties materials
1.1 Materials science and engineering
1.2 Types of material
1.2.1 Metallic
1.2.2 Polymeric (Plastic)
1.2.3 Ceramic Materials
1.2.4 Composite Materials
1.3 Summary
WEEK 2
2.0 Atomic structure and bonding
2.1 Structure of atoms
2.2 Atomic Numbers and Atomic Masses
2.3. Electronic construction of Atoms
WEEK 3
3.0 Electronic structure and chemical reactivity
3.1 Atomic and molecular bond
Bonds in Solids
Ionic bond
Covalent bond
Metallic bond
3.2. Types of crystals
Body centred cubic (bcc) structures
Face centred cubic (fcc) structures
Hexagonal close packed (hcp) structures
WEEK 4
4.0 Phase transformations
4.1 Equilibrium diagram cooling curves
4.2. The one-two-one and inverse lever rules
4.3. Types of equilibrium diagrams
Inter metallic compounds
Invariant systems
WEEK 5
5.1 Ingot Casting
5.2 Types of Steel Ingot
WEEK 6
6.1 Equilibrium or constitutional diagrams
6.2 Eutectic
6.2.1 Interpretation of equilibrium diagrams
6.2.2 Solid solution diagram
6.2.3 Combination type
6.3 Eutectic and solid solutions
6.4 Intermediate phases
WEEK 7
7.1. Properties of materials
Extraction of metals from ores
7.2. Beneficiation or preliminary, treatment of iron ore for smelting.
Cutting
Grinding
WEEK 8
8.0 Concentration of ores
(i) Heavy media separation process –
(ii) Magnetic Separation Process –
(iii) Washing with water to separate the ore from the waste.
(iv) Calcination
(v) Agglomeration
WEEK 9
9.1. Manufacture of pig iron
9.2. Composition of pig iron
WEEK 10
10.0 Steel making processes
10.1. Bessemer process
10.2. Open hearth process
WEEK 11
11.1. Cast iron
11.2. Chemical composition
11.3. Chemical composition
11.4. Alloy cast iron
WEEK 12
12.0 Properties and application of non ferrous metal
12.1 Non-ferrous metals
WEEK 13
13.0 Hot working and cold working processes
13.1. Mechanical shaping of metals
13.2. Hot rolling
13.3. Hot extrusion
WEEK 14
14.1. Cold working
14.0 Cold working processes
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