Introduction to Strength of Material

Introduction to Strength of Material

Important mechanical properties(Definition )

1.elasticity
2.plasticity
3.ductility
4.brittleness
5.malleability
6.toughness
7.hardness
8.strength

Stress and strain(Definition and Formula)

1.Nominal stress
2.True stress

Strain stress curve for mild steel under static loading(curve)

Nomenclature used in stress strain curve(Definition) 

1.elastic region
2.elstoplastic region
3.plastic region
4.strain hardening
5.necking
6.limit if proportionality
7.yield point
8.ultimate stress
9.fracture

Hooks law(Definition and Formula)
Axial elongation of prismatic bar under external load (Derivation and Formula)
Deflection of bar due to self weight (Derivation and Formula)
Deflection of tapered bar due to self weight  (Derivation and Formula)

Elastic constant 
1.modulus of elasticity
2.modulus of rigidity
3.bulk modulus

Relation between E,G,K,mu
Volumetric strain under tri-axial loading (Derivation and Formula)
Volumetric strain of cylindrical bar (Derivation and Formula)
Strain energy (Formula)
Thermal stress and strain (Formula)