This course focuses on the relationship between Dislocation Strengthening and Parameters of Mechanical Properties.
Dislocation Strengthening
Full Code
MET0203210
Module Type
E-learning
Description
Steel Strain Ageing was observed during the 19th century. In that occasion, the maximum load carrying capacity of a test piece was increased after it had been retested after a previous series of testing in the plastic range. Research done in the 1950’s showed that the Strain Ageing phenomenon could occur in pressure vessel steels where the primary effect was Decreased Impact Toughness. In this module Strain Ageing and Atmosphere Formation will be introduced. In this section, the Free Energy Gradient will be defined. Then, Strain Ageing and Dislocations will be explained. After that, Strain Ageing Kinetics developed by Cottrell, and Dynamic Strain-Ageing will be presented.
Finally, Strain Ageing, Dislocation Intersections and Strengthening will be treated.
What you will learn
- Describe how Strain Ageing and Dislocation Strengthening are affected by different parameters.
Module content
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