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recrystallization in metals - Course Notes - McMaster University

recrystallization in metals - Course Notes - McMaster University

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Recrystallization<br />

HOW DOES RECRYSTALLIZATION START<br />

“nucleation”<br />

Coalescence and growth of subgra<strong>in</strong>s<br />

∆Θ 3<br />

∆Θ 4<br />

∆Θ 3<br />

∆Θ 4<br />

∆Θ 1<br />

∆Θ 1<br />

∆Θ 2<br />

Stra<strong>in</strong> Induced<br />

Boundary Migration<br />

Migration of a boundary<br />

Θ 1<br />

Θ 2<br />

Θ 1<br />

E 1 > E 2<br />

Θ 2<br />

Θ 2<br />

In simple systems: small number of “nuclei” lead to recrystallized gra<strong>in</strong>s<br />

4

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