Please enable JavaScript.
Coggle requires JavaScript to display documents.
Introduction to Material Science and Engineering - Coggle Diagram
Introduction to Material Science and Engineering
Fundamental of material science
A branch of science that focuses on materials;
interdisciplinary field composed of physics and chemistry
The 4 components of the discipline of materials science and
engineering
structure
properties
processing
performance
Properties of solid materials
mechanical
thermal
magnetic
optical
electrical
deteriorative
Metals
example : aluminium & copper
Characteristics :
Shiny, can be bent or stretched
Excellent thermal & electrical conductors
Crystalline structure where atoms are orderly arranged
Relatively strong and ductile at room temperature
Classification
Ferrous
Steel
Cast iron
Non-ferrous
Alloys
Applications
Airplane : engine
Trains : wheels
Shape memory materials : eye glasses
Automobiles : Body
Machine tools : hammers
Magnet Electrical wiring
Polymers
Characteristics
Light in weight
Low densities
Good insulator to thermal
Very resistant
Classification
Thermoset
Urea-formaldehyderesin, polysyerresin, epoxy resin
Thermoplastic
Polyethylene, polysterene, nylon
Applications
Mouldable products
Biomaterials
Soap
Ceramics
Characteristics
High temperature strength
Poor conductors
Classification
Alumina, Silicon carbide, Silicon nitride
Application
Aerospace, Cutting tools
Drawbacks
Difficult to process , Brittle
Composites
Characteristics
Low density, High strength
Classification
MMC. PMC, CMC
Applications
Electronic, Sport eqipment, Smart materials
Drawbacks
Brittles
Classification of materials
Characteristics of biomaterial
Chem requirements
Must be non-toxic to the body
Classification of semi
polycrystalline, amorphous, crystalline
Physical requirements
Hard & flexible material
Characteristics of Semiconductor
Low & high resistivity,