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MTL 200 Exam Prep | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions $13.48   Add to cart

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MTL 200 Exam Prep | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

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MTL 200 Exam Prep | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | With Expert Solutions

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  • August 4, 2024
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  • MTL 200
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MTL 200 Exam Prep | Questions & Answers (100 %Score) Latest Updated 2024/2025
Comprehensive Questions A+ Graded Answers | With Expert Solutions

Crystalline Material - Atoms arranged in a repeating pattern over large distances.



Lattice - Three-dimensional array of points coinciding with atom positions.



Unit Cell - Smallest repeating unit of a lattice, basic building block.



Polymorphism - Presence of multiple crystal structures in a chemical compound.



Allotropy - Presence of multiple crystal structures in a chemical element.



Crystallographic Directions - Vectors indicating directions in a crystal structure.



Crystallographic Planes - Planes defined within a crystal structure.



Linear Density - Density of atoms along a specific direction in a crystal.



Planar Density - Density of atoms within a specific crystal plane.



Close-Packed Crystal Structures - HCP: ABABAB stacking, FCC: ABCABC stacking.



Single Crystal - Periodic atom arrangement without grain boundaries.



Polycrystalline - Multiple crystals with varying orientations.



Grain Boundary - Boundary where atomic alignment differs in polycrystalline materials.

, Anisotropy - Directional property variation in materials.



Isotropy - Uniform property distribution in all directions.



X-ray Diffraction - Analyzing crystal structures using x-ray patterns, following Bragg's Law.



Bragg's Law - Relates x-ray diffraction angles to crystal lattice spacing.



Crystalline defect - Lattice irregularities in solids



Vacancies - Empty atom sites in a crystal lattice



Self-interstitials - Atoms positioned in the interstitial spaces of a crystal lattice



Equilibrium number of vacancies equation - Ratio of vacancies to total atom sites



Hume-Rothery rules - Guidelines for solid solution formation



Atomic size factor (Hume-Rothery) - solid solution only when the difference in atomic radii between the
two atom types is less than about ±15%. Otherwise, the solute atoms create substantial lattice
distortions and a new phase forms



Crystal structure (Hume-Rothery) - For appreciable solid solubility, the crystal structures for metals of
both atom types must be the same.



Electronegativity factor (Hume-Rothery) - The more electropositive one element and the more
electronegative the other, the greater the likelihood that they will form an intermetallic compound
instead of a substitutional solid solution



Valences (Hume-Rothery) - Other factors being equal, a metal has more of a tendency to dissolve
another metal of higher valency than to dissolve one of a lower valency.

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