MSBTE 22306 Strength of Materials Notes |
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This foundational knowledge is
vital for those in civil, mechanical, and related engineering disciplines.
Here's a general overview of the topics typically covered:
1.
Introduction to Strength of Materials:
·
Definition and scope of the subject.
·
Importance in various engineering applications.
2.
Fundamental Concepts:
·
Stress and strain: types, units, and
relationships.
·
Elasticity and plasticity.
·
Hooke's law and elastic constants.
·
Poisson's ratio.
3.
Stresses and Strains in Simple Loading
Conditions:
·
Axial loading: tension and compression.
·
Shear stress and shear strain.
·
Bending stress in beams.
·
Torsional stress in shafts.
4.
Stress-Strain Diagrams:
·
For ductile and brittle materials.
·
Yield point, elastic limit, ultimate strength,
and fracture.
·
Modulus of resilience and modulus of toughness.
5.
Theories of Elastic Failure:
·
Maximum principal stress theory.
·
Maximum shear stress theory.
·
Maximum strain energy theory.
·
Application and comparison of these theories.
6.
Beams:
·
Types of beams: simply supported, cantilever,
overhanging.
·
Bending moment and shear force diagrams.
·
Relations between load, shear force, and bending
moment.
7.
Deflection of Beams:
·
Methods to determine deflection: double
integration method, Macaulay's method, area-moment method.
·
Deflection limits and its importance.
8.
Columns and Struts:
·
Buckling and modes of failure.
·
Slenderness ratio.
·
Euler's and Rankine's formulas for column
loading.
9.
Thin and Thick Cylinders:
·
Stresses due to internal and external pressures.
·
Lame's equations.
10.
Compound Stresses:
· Combined
axial, bending, and torsional loads.
· Mohr's
circle for stress and strain.
11.
Strain Energy:
· Energy
stored due to axial load, torsion, and bending.
· Impact
loads and sudden loading conditions.
12.
Destructive and Non-destructive Testing
Methods:
·
Tensile test, compressive test, torsion test,
hardness test.
· Ultrasonic testing, radiographic testing, magnetic particle inspection.