Strain in Dental Materials [Stress - Strain Relationship] 

In this video, Dr. Mujtaba Shaikh talks about what Strain in Dental materials is and how it is related to Stress.
Stress - Strain curve or Stress - Strain graph is also explained in detail.
This video also covers the different types of Strain, based on recovery, as per the elastic properties of the material.
It also includes terms that are most commonly used in relation to Stress and Strain in dental materials, like Proportional Limit or Limit of Proportionality, Yield Stress, Fracture Stress, Proof Stress and lots of in-depth detail related to these.
The Video chapters you can seek for, in this video are:
0:00 Intro
00:36 Definition of Strain
01:06 Factors on which Strain depends
01:35 Formula of Strain
02:25 Concept of Barreling and Thinning of Cylinder
02:46 Poisson's ratio
03:05 Types of Strain
04:24 Stress - Strain Relationship
05:01 Stress - Strain Graph / Stress - Strain curve
05:30 Point T / Fracture Stress / Strength
05:53 Point P / Proportional Limit
06:14 Point E / Yield Stress
07:47 Proof Stress
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Music: Luxery - Causmic