Return to Mechanics of Materials Table of Contents
MechMat 6: Material Properties II – YouTube playlist
Mechanics of Materials – Session 6: Material Properties II
We discuss a simplified model for linearly elastic-perfectly plastic materials, modulus of resilience, modulus of toughness, Poisson’s ratio, and examples relating stress and strain through material properties.
Date: September 24, 2024
Notes
Fa 2024 Session 6: MechMat – Material Properties II
Su 2024 Session 6: MechMat – Material Properties II
Su 2024 In-class and Office Hours Notes
Fa 2023 Session 6: MechMat – Material Properties II
Fa 2023 In-class and Office Hours Notes
Su2023 Session 6: MechMat – Material Properties II – Complete
Su 2023 In-class and Office Hours Notes
Sp2023 Session 6: MechMat – Material Properties II – Complete
Session 6: MechMat- Material Properties II – Colab IPython
Select Assignment Questions
Calculating Residual Strain in a Bar with a Linearly Elastic – Perfectly Plastic Material Model
Modulus of Toughness for Tensile Loading of a Linearly Elastic – Perfectly Plastic Material
Modulus of Toughness of a Linearly Elastic – Linearly Plastic Strain-hardening Material
Resulting Length after Axial Unloading of a Plastically Stretched Bar
Change in Diameter of an Axially Loaded Bar with an Elastic Modulus and Poisson’s Ratio
Calculating the Change in Height of a Cube Loaded Triaxially with Three Normal Forces
Calculating the Effective Spring Constant for Bar Constrained Between Two Walls
See Content at the Beginning of the Video for Session 4 from Fall 2024 for More Details about Springs in Parallel and Springs in Series.
Additional Videos
Date: June 4, 2024
Date: January 31, 2023
Date: September 21, 2023
Understanding Material Strength, Ductility, and Toughness
The selected portion of this video describes toughness and resilience.
Watch from 5:45 to 7:11.
Understanding Poisson’s Ratio
This video describes Poisson’s ratio of materials.
Watch up to 9:37.
Volumetric Strain for Tri – Axial Loading | Stresses and Strains | Strength of Materials |
This video derives an expression for volumetric strain. Watch up to 8:50.
Bulk Modulus of Elasticity and Compressibility
This video describes the bulk modulus of a material.
Watch up to 4:35.
Online Text
when my professor says “linearly elastic, perfectly plastic” what does he mean? : EngineeringStudents (reddit.com)
Resilience (materials science) – Wikipedia
Toughness – Wikipedia
Poisson’s ratio – Wikipedia
lec13.pdf | Mechanics & Materials I | Mechanical Engineering | MIT OpenCourseWare
EngArc – L – Bulk Modulus and Dilation (engineeringarchives.com)
For complementary information, see our YouTube Channel and the Wikibook.
Return to Mechanics of Materials Table of Contents
Engineering Content 