Lecture 1- introduction to materials and properties Flashcards
What are the 3 material classes?
polymers, ceramaics, and metals
What are the 6 properties for material selection?
economic properties,
mechanical properties
non mechanical properties
surface properties
production properties
aesthetic properties
What are 2 economic properties?
-price
-availability
What are 2 mechanical properties?
-young’s modulus
-tensile strength
-hardness
What are 2 non-mechanical properties?
-thermal properties
-magnetic properties
What are 2 surface properties?
-corrosion resistance
-friction and wear
What are 2 production properties?
-ease of manufacture
-finishing
What are 2 aesthetic properties?
-texture
-appearance
What are 3 properties of ceramics?
-high young’s modulus
-hard
-brittle
What are 3 properties of polymers?
-low density
-easy to shape
-low young’s modulus
What are 3 properties of glass?
-hard
-insulator
-brittle
name 3 thermal properties
-thermal conductivity K
-specific heat capacity C
-limiting temperature Tmax
