![]() The Hexagonal Close-Packed (HCP) unit cell can be imagined as a hexagonal prism with an atom on each vertex, and 3 atoms in the center. The hexagonal close-packed cell belongs to space group #194 or P6 3/mmc, Strukturbericht A3, and Pearson symbol hP2. HCP is one of the most stable crystal structures and has the highest packing density. The HCP crystal structure is based on the Bravais lattice of the same name, with 1 atom per lattice point at each corner of the hexagonal prism, and 3 inside the prism. The Hexagonal Close-Packed (HCP) crystal structure is one of the most common ways for atoms to arrange themselves in metals. Why Mercury is Used in Thermometers (and Modern Alternatives).What is the Difference Between Iron, Steel, and Cast Iron? (Properties, Applications, and Metallurgy).15 Metals With The Lowest Melting Point.What Are Shape Memory Alloys? (Metallurgy, How They Work, and Applications).Stress, Strain, and the Stress-Strain Curve.True Stress-Strain vs Engineering Stress-Strain.Elasticity and Young’s Modulus (Theory, Examples, and Table of Values).What is Yield in Materials? Yield Stress, Yield Strength, and Yield Point.What is the Difference between “Materials Science” and “Materials Engineering?”.What is the Difference Between Materials Science and Chemical Engineering?.What is the Difference Between Materials Science and Chemistry?.Materials Science vs Other Majors Submenu Toggle.What is the Difference Between Polymorphism and Allotropy? (With Examples Beyond Carbon).What is the Difference Between Allotropes and Isotopes?.The Hume-Rothery Rules for Solid Solution.The Difference Between Alloys and Composites (and Compounds).What are Alloys? (Definition, Examples, and Metallurgy).What is the Materials Science Tetrahedron (Paradigm)?.What is Materials Science and Engineering? The Definitive Explanation.Material Science Fundamentals Submenu Toggle.What is Scanning Electron Microscopy? (How it Works, Applications, and Limitations).Materials Characterization Submenu Toggle.B-H vs M-H Hysteresis Loops: Magnetic Induction vs Magnetization (Similarities, Differences, and Points on the Graph).What Is Magnetic Hysteresis and Why Is It Important?.Which Metals Are Magnetic? (List of Ferromagnetic and Ferrimagnetic Materials).Magnetic Materials: Types of Magnetism, Applications, and Origin of Magnetism.Hastelloy C-276 (Composition, Properties, and Applications).Thermal Barrier Coatings (TBCs): Materials, Manufacturing Methods, and Applications.What Are Superalloys? (Applications, History, and Metallurgy).Refractory Metals (Definition, Examples, and Applications).17 Metals With the Highest Melting Points (and Why).High Temperature Materials Submenu Toggle.Diamond Tetragonal Unit Cell (White Tin).Close-Packed Rhombohedral (Sm-type) Unit Cell.Double Hexagonal Close-Packed (La-type) Unit Cell.Comparison of SC, BCC, FCC, and HCP Crystal Structures.What is the Difference Between FCC and HCP? (Crystal Structure, Properties, Interstitial Sites, and Examples).What Is the Difference Between FCC and BCC? (Crystal Structure, Properties, Interstitial Sites, and Examples).What are Space Groups? (Simple Explanation). ![]() What are Point Groups? (Simple Explanation).How to Read Crystallography Notation (Pearson symbol, Strukturbericht, Space Groups).Close-Packed Crystals and Stacking Order.What is the Difference Between “Crystal Structure” and “Bravais Lattice?”. ![]()
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