This lecture covers the following concepts:
Composite materials - Laminar/layer composites, Particulate Composites, Fibre Composites;
Properties of materials – Physical, mechanical, chemical;
Ductility; Brittleness; Toughness; Hardness;
Stress‑Strain Relationships - Engineering Stress, Engineering Strain, Tensile Strength, True Stress, True Strain, Strain Hardening in Stress-Strain Curve, Flow Curve.
Self-Assessment Questions:
Often, we see copper cladding in the cooking utensils. Why it is done?
What kind of material is concrete?
How the ductility is measured?
Why the ductility property is useful for metal forming operations?
What is the property of the material when it can withstand shock loading?
