Chapter i Materials for Engineering 1.1 Types of materials 1.2 From structure to properties 1.3 Selection of materials 1. 4 Materials science and engIneering
Chapter I Materials for Engineering 1.1 Types of materials 1.2 From structure to properties 1.3 Selection of materials 1.4 Materials science and engineering
Key word Alloy [5AlCi] Atomic-scale-architecture · Brittle[5brit] · Ceramic|si5 rAmik] Composite [5kCmpEzit, -zait] Concrete [5kCnkri:t] Conductor Crystalline [5kristElain] adj Devitrified [di: 5vitrifai] ductility [dQk5tiliti] Electronic and magnetic material Element [5elimEnt] · Fiberglass D5台 IbEniB' s
Key word • Alloy [5AlCi] • Atomic-scale-architecture • Brittle [5britl] • Ceramic [si5rAmik] • Composite [5kCmpEzit, -zait] • Concrete [5kCnkri:t] • Conductor • Crystalline [5kristElain] adj. • Devitrified [di:5vitrifai] • Ductility [dQk5tiliti] • Electronic and magnetic material • Element [5elimEnt] • Fiberglass [5faIbE^lB:s]
Key word e Glass e Gllass-ceramic Insulator Materials science and engineering Materials selection o Metallic Microcircuitry [5malkrEJs\: kIt] Microscopic-scale architecture Noncrystalline Nonmetallic [5nCnmi5tAlik]
• Glass • Glass-ceramic • Insulator • Materials science and engineering • Materials selection • Metallic • Microcircuitry [5maIkrEJs\:kIt] • Microscopic-scale architecture • Noncrystalline • Nonmetallic [5nCnmi5tAlik] Key word
Key word e Oxide Periodic lpiEri5Cdik] table e Plastic Polyethylene [7pCli5eWili: n] · Polymer Property Refractory o Structural material Semiconductor wood Silica硅石,SiO2 Silicate]硅酸盐 ·Si|icon硅元素 Steel
• Oxide • Periodic[piEri5Cdik] table • Plastic • Polyethylene [7pCli5eWili:n] • Polymer • Property • Refractory • Semiconductor • Silica硅石，SiO2 • Silicate]硅酸盐 • Silicon硅元素 • Steel • Structural material • wood Key word
1.1 Types of materials wHat materials are availlable to me rFive categories a, metals metallic bond .b. Ceramics(glass) ionic [al5Rnlk] and covalent kEu5veilEnt) bond c. Polymers covalent and Van der waals bond d composites ●e, semiconductors
1.1 Types of materials • a . Metals metallic bond • b . Ceramics (glass) ionic [aI5RnIk] and covalent [kEu5veilEnt] bond • c . Polymers covalent and Van der waals bond • d . Composites • e . semiconductors What materials are available to me ? Five categories