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Stress, Strain, Elasticity and Plasticity - Nptel

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NPTEL - Mechanical Engineering - Forming

Joint Initiative of IITs and IISc – Funded by MHRD Page 1 of 3

Stress, Strain, Elasticity and Plasticity

R. Chandramouli

Associate Dean-Research

SASTRA University, Thanjavur-613 401

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NPTEL - Mechanical Engineering - Forming

Joint Initiative of IITs and IISc – Funded by MHRD Page 2 of 3

Table of Contents

1.Quiz - Key ... 3

(3)

NPTEL - Mechanical Engineering - Forming

Joint Initiative of IITs and IISc – Funded by MHRD Page 3 of 3

Stress, Strain, Elasticity and Plasticity

Plasticity:

1.Quiz - Key

1. What are Levy-Mises equations?

Stress-strain relations for plastic deformation.

2. Define Tresca yield criterion.

= Y

3. Among the following which has the highest modulus of elasticity? Steel, Aluminium, Diamond?

Diamond.

4. What is the shape of yield locus for a material, which obeys Tresca criterion?

Hexagon – elongated.

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