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Mec 224 Properties Of Material Lecture Note Pdf Download

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

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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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