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Match the defects to their labels in the Crystal Structure below A B C D E• -Grain Boundary -Interstitial/Impurity -Vacancy -Phase Boundary -Substitution A [ Choosel B ( Choose1 [Choose [ Choose 1 E [Choose1 >

Match the defects to their labels in the Crystal Structure below A B C D E• -Grain Boundary -Interstitial/Impurity -Vacancy -Phase Boundary -Substitution A [ Choosel B ( Choose1 [Choose [ Choose 1 E [Choose1 >

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
### Crystal Structure Defects Diagram This educational diagram helps students identify various defects in a crystal structure. The structure is represented by a grid of colored circles, each symbolizing an atom or molecule in the crystal lattice. #### Key Components: - **Labels:** The diagram has five defect labels, marked as A, B, C, D, and E. - **A:** Marked on a site where there is a missing atom in the otherwise orderly grid. - **B:** Labeled at a point where an extra, differently colored atom is present within the regular lattice. - **C:** Situated at a boundary where different colored regions meet, indicating a separation between different phases. - **D:** Indicates a region where different-sized atoms are substituting regular atoms of the lattice. - **E:** Marks the boundary between two regions with different colored atoms, signifying a change in grain orientation. #### Defects to Identify: - **Grain Boundary:** The border between different orientations of crystalline grains (potential match for E). - **Vacancy:** A missing atom in a regularly packed structure (potential match for A). - **Substitution:** Replacement of a lattice atom by a different atom (potential match for D). - **Interstitial/Impurity:** An additional atom occupying the spaces between the regular atoms in a lattice (potential match for B). - **Phase Boundary:** Where different phases or compositions within a crystal structure meet (potential match for C). #### Interactive Component: Below the diagram, there are dropdown menus corresponding to each label (A, B, C, D, E) where students must select the correct defect type. This illustration supports learning by visually associating theoretical concepts of crystallography with their practical representations in a lattice structure. It aids in understanding how defects influence the properties and behavior of materials.
Transcribed Image Text:### Crystal Structure Defects Diagram This educational diagram helps students identify various defects in a crystal structure. The structure is represented by a grid of colored circles, each symbolizing an atom or molecule in the crystal lattice. #### Key Components: - **Labels:** The diagram has five defect labels, marked as A, B, C, D, and E. - **A:** Marked on a site where there is a missing atom in the otherwise orderly grid. - **B:** Labeled at a point where an extra, differently colored atom is present within the regular lattice. - **C:** Situated at a boundary where different colored regions meet, indicating a separation between different phases. - **D:** Indicates a region where different-sized atoms are substituting regular atoms of the lattice. - **E:** Marks the boundary between two regions with different colored atoms, signifying a change in grain orientation. #### Defects to Identify: - **Grain Boundary:** The border between different orientations of crystalline grains (potential match for E). - **Vacancy:** A missing atom in a regularly packed structure (potential match for A). - **Substitution:** Replacement of a lattice atom by a different atom (potential match for D). - **Interstitial/Impurity:** An additional atom occupying the spaces between the regular atoms in a lattice (potential match for B). - **Phase Boundary:** Where different phases or compositions within a crystal structure meet (potential match for C). #### Interactive Component: Below the diagram, there are dropdown menus corresponding to each label (A, B, C, D, E) where students must select the correct defect type. This illustration supports learning by visually associating theoretical concepts of crystallography with their practical representations in a lattice structure. It aids in understanding how defects influence the properties and behavior of materials.
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