MechMat: Material Properties I

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MechMat 5: Material Properties I – YouTube playlist

Mechanics of Materials – Session 5: Material Properties I
We discuss normal tensile testing, stress-strain relationships for ductile materials, stress-strain relationships for brittle materials, elastic modulus and Hooke’s Law, and yield strength.

Notes

Fa2024 Session 5: MechMat – Material Properties I
Su2024 Session 5: MechMat – Material Properties I
Su2024 In-class and Office Hours Notes
Fa2023 Session 5: MechMat – Material Properties I
Fa2023 In-class and Office Hours Notes
Su2023 Session 5: MechMat – Material Properties I – Instructional Slides
Su2023 In-class and Office Hours Notes
Session 5: MechMat – Material Properties I – Semi-Complete
Session 5: MechMat- Material Properties I – Colab IPython

Select Assigned Questions

Session 5 – Question 1
Calculating the Elastic Modulus of a Bar with Given Stiffness, Diameter, and Length

Session 5 – Question 2
Calculating the Elastic Modulus from Given Parameters of a Tensile Test

Session 5 – Question 3
Calculating the Elastic Modulus from a Stress-Strain Curve for a Tensile Test

Session 5 – Question 4
Calculatin the Axial Stress in a Cable Supporting a Hanging Mass

Session 5- Question 5
Calculating Strain in a Cable with Applied Force due to Gravity

Session 5 – Question 6
Calculating the Displacement of a Cable Supporting a Hanging Object

Additional Videos

MechMat Sessions: Material Properties I
Date: June 3, 2024

MechMat Sessions: Material Properties I
Date: January 31, 2023

Fall 2023 Live Session 5: Material Properties I
Date: September 19, 2023

Understanding Young’s Modulus
This video describes the tensile test, Young’s modulus (elastic modulus), elastic moduli for different materials, elastic deformation, plastic deformation, and why we care about elastic moduli.

Understanding Young’s Modulus (The Efficient Engineer)
Watch up to 6:27.

Material Properties 101
This video describes tensile testing, elastic modulus, ductility, failure of brittle materials, and hardness.

Material Properties 101 (Real Engineering)
Watch up to 5:11.

Tensile Test
This video describes tensile testing of metal alloys and the technique of using 0.2% offset to estimate the yield strength of a material.