Learn how the changes in the grain size affect the mechanical properties.
Grain Shape and MLI
Full Code
MET0201210
Module Type
E-learning
Description
There exist different methods to measure the grain size of a particular microstructure of steel.
The most important tools to do that are MLI and the ASTM method. In the next module we will discover the differences between these two methods, but here we will focus on the MLI method. In this module the importance of counting the number of intersections among the grains will be introduced. Also, the relationship between the number of linear intersections and grain shape as well linear intersection and grain size will be analysed. Finally, the MLI number will be calculated using a real micrograph and analysing an exercise.
What you will learn
- Calculate Mean Linear (or Lineal) Intercept (MLI);
- Relate the Grain Shape and MLI;
- Count the Intercept of Boundary Grain;
- Describe the Non-equiaxed Grain Size Measurement.
Module content
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