Introduction to Materials Science and Selection Representative strengths of various categories of materials Atomic Bonding Primary bonding: Metallic bond, Covalent bond,…

CRISTAL STRUCTURS MATERIAL ENGINEER Short-Range Order versus Long-Range Order • Short-range order - The regular and predictable arrangement of the atoms over a short distance…

Crystalline Structure Crystalline materials... Noncrystalline materials... crystalline SiO2 noncrystalline SiO2 Amorphous = Noncrystalline Si Oxygen • random packing •…

Slide 1Plastic deformation and creep in crystalline materials Chap. 11 Slide 2 Mechanical Properties of Materials Stiffness Strength ductility Toughness Resistance to elastic…

Slide 1 CRYSTAL STRUCTURE Slide 2 Crystal Structure Objectives l Relationships between structures-bonding-properties of engineering materials. l Arrangements in crystalline…

Slide 1 Chapter 3- CRYSTAL SYSTEMS General lattice that is in the shape of a parallelepiped or prism. a, b, and c are called lattice parameters. x, y, and z here are called…

Slide 1 Ionic and Ceramic Compounds & Polymers Materials for Biological Applications Slide 2 Hydroxyapatite Chemical formula Ca10(PO4)6(OH)2 Background Hydroxyapatite…

Slide 1 Materials Engineering – Day 5 Crystallinity in Metals Types of Metallic Crystals 1.Face-centered cubic (FCC) 2.Body-centered cubic (BCC) 3.Hexagonal close-packed…

Dislocation And Strengthening Mechanisms Plastic deformation through dislocation: Slip Ideal shear stress d a t t ~ G d/a ~ 106 psi (calc.) ~ 10~103 psi (measured !) FCC…

Ionic and Ceramic Compounds & Polymers Materials for Biological Applications Hydroxyapatite Chemical formula Ca10(PO4)6(OH)2 Background Hydroxyapatite is chemically similar…