How to Calculate and Solve for Elongation Potential of Twin Deformation | Fracture Mechanics

The image above represents elongation potential of twin deformation.

To compute for elongation potential of twin deformation, two essential parameters are needed and these parameters are Distance between the 2 Slip Planes (S) and Angle of Deformation (x).

The formula for calculating elongation potential of twin deformation:

l’/l = (1 + Stanx)0.5

Where:

l’/l = Elongation Potential of Twin Deformation
S = Distance between the 2 Slip Planes
x = Angle of Deformation

Let’s solve an example;
Find the elongation potential of twin deformation when the distance between the 2 slip planes is 24 and the angle of deformation is 12°.

This implies that;

S = Distance between the 2 Slip Planes = 24
x = Angle of Deformation = 12°

l’/l = (1 + Stanx)0.5
l’/l = (1 + 24tan(12°))0.5
l’/l = (1 + 24(0.213))0.5
l’/l = (1 + 5.101)0.5
l’/l = (6.101)0.5
l’/l = 2.470

Therefore, the elongation potential of twin deformation is 2.470.

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