Graded on the basis of 20 points in increments of ½ point
Open book plus two sheets of notes
Equations definitions procedures no worked examples
Work problems on separate sheets of engineering paper
Hand in test paper answer sheets and notes stapled to back of answer sheets
Will allow 2 hours
3 Course Objectives
To provide students with the necessary tools and knowledge to analyze forces stresses strains and deformations in mechanical and structural components.
To help students understand how the properties of materials relate the applied loads to the corresponding strains and deformations.
4 Chapter One Basic Concepts
SI metric unit system and U.S. Customary unit system
Mass and weight
Stress direct normal stress direct shear stress and bearing stress
Single shear and double shear
Strain normal strain and shearing strain
Poissons ratio modulus of elasticity in tension and modulus of elasticity in shear
5 Chapter Two Design Properties
Yield point ultimate strength proportional limit and elastic limit
Modulus of elasticity and how it relates strain to stress
Ductility - ductile material brittle material
6 Chapter Three Direct Stress
Design stress and design factor
Understand the relationship between yield stress and design stress allowable stress or working stress
Understand the relationship between design factor factor of safety and margin of safety
Design / analyze members subject to direct stress
Normal stress tension or compression tensile stress on gross area tensile stress on net area
Shear stress shear stress on a surface single shear and double shear on fasteners
Bearing stress bearing stress between two surfaces bearing stress on a fastener
7 Chapter Three Axial Deformation and Thermal Stress
Elastic deformation of a member due to an axial load
Design axially loaded members to limit their deformation
Define coefficient of thermal expansion
Thermal deformation due to temperature change if a member is unrestrained
Thermal stress in a member due to temperature change if the member is restrained
Stress in components of a composite structure made of more than one material
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