ME115 - Defects In Crystals

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6/3/26 Lecture

Last updated 3:56 AM on 6/4/26
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6 Terms

1
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How are defects useful?

They can help strengthen the material

2
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How are defects created in the crystal lattice?

Through temperature, alloying, deformation, processing

3
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What are the three types of point defects?

Vacancy

Interstitial

Substitutional

4
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How many atoms in an HCP?

2 atoms

5
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What are dopants/alloying elements in relation to point defects?

Deliberately added things for beneficial effect on properties of processing.

6
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What determines the activation energy for a material?

Bond Strength

Crystal Structure

Material Type

Atomic Packing