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Part IB Materials Science and Metallurgy Course A: Metals & Alloys Professor Harry Bhadeshia Lecture 6: The Solid-State.

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Presentation on theme: "Part IB Materials Science and Metallurgy Course A: Metals & Alloys Professor Harry Bhadeshia Lecture 6: The Solid-State."— Presentation transcript:

1 Part IB Materials Science and Metallurgy Course A: Metals & Alloys Professor Harry Bhadeshia Lecture 6: The Solid-State

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3 Single crystal bicrystal

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6 Dislocation has an energy per unit length Boundary has an energy per unit area

7 Coincidence site lattice

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9 Deards, 1992 before deformation after deformation

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12 polygonisation

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14 Part IB Materials Science and Metallurgy Course A: Metals & Alloys Professor Harry Bhadeshia Lecture 7: Recrystallisation, grain growth

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17 Ian Brough & John Humphreys Al-0.1Mg wt% cold-rolled 50%

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19 John Humphreys Al-0.8Si wt% cold-rolled 60% Acta Met. 25, 1323-1344. 1977

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22 Terashima & Bhadeshia, 2006

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29 Grain size Tilt boundary Cold work Dislocation interactions Recovery


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