Design of Machine
Components
Chapter (3):
Load and Stress Analysis (2)
Overview of Normal, Shear and Bearing Stresses
Notes by: Dr. Sayed Aziz
ME361, Design of Machine Components
What does STRESS mean?
Slide No. 2
ME361, Design of Machine Components
Sayed

Design of Machine
Components
Chapter (2): Materials
Notes by: Dr. Sayed Aziz
ME361, Design of Machine Components
Materials in Design
Design is the process of translating a new
idea or a market need into the detailed
information from which a product can be

Design of Machine
Components
Chapter (3):
Load and Stress Analysis (1)
Review of Equilibrium & FBD
Notes by: Dr. Sayed Aziz
ME361, Design of Machine Components
Objective of this Topic:
Review of Equilibrium & FBD associated with
load carrying components.

Design of Machine
Components
Instructors: Sayed Aziz & Yazan Mana
Chapter (4):
Deflection and Stiffness (1)
Edit by: Dr. Sayed Aziz
ME361, Design of Machine Components
Introduction
Deflection or stiffness, rather than stress, is controlling
factor in desi

Design of Machine
Components
Chapter (5):
Static Failure Theories (1)
Notes by: Dr. Sayed Aziz
ME361, Design of Machine Components
Failure
Every material has certain strength, FAILURE
occurs because the applied stresses exceeds the
materials strength.
Fai

Design of Machine
Components
Chapter (4):
Deflection and Stiffness (3)
Buckling
Notes by: Dr. Sayed Aziz
ME361, Design of Machine Components
Introduction
Compression members, such as columns, are subjected
to axial forces.
The principal stress in a compre

Design of Machine
Components
Instructors: Sayed Aziz & Yazan Mana
Chapter (5):
Static Failure Theories (2)
Notes by: Dr. Sayed Aziz
ME361, Design of Machine Components
Failure Theories of Brittle Materials
BRITTLE MATERIALS TYPICALLY HAVE
SIGNIFICANTLY DI

Design of Machine
Components
Chapter (4):
Deflection and Stiffness (2)
Strain Energy
Notes by: Dr. Sayed Aziz
ME361, Design of Machine Components
Linear elastic behaviour
Slide No. 2
The work done is equivalent to the
area under the force displacement
cur