Introduction Flashcards
Main properties of material (6)
Stiff, strong, ductile, tough, brittle, hard
Define Young’s (Elastic) Modulus
Value that measures a material’s resistance to being deformed elastically (How stiff is a material)
Define toughess of material
Material can take a lot of energy without breaking
Define ductility of material
Material Deforms under pressure
Define brittle in material
Material that breaks with little deformation
Define hardness in material
How hard a material is to dent, scratch, and wear
Define yield strength in material
How much stress a material can take without deforming plastically
Define ultimate strength in material
How much stress a material can take without breaking
Categories of properties (6)
mechanical, electrical, thermal, magnetic, optical, and deteriorative
Describe the relationship among the four main components of materials
Processing -> Structure -> Properties -> Performance
Basic classifications of solid materials:
metals, ceramic polimers, and composites
Main physical properties of metals:
stiff, strong, ductile, resistant to fracture
Main physical properties of ceramics.
stiff, strong, hard, brittle
Main physical properties of polymers:
low density, neither stiff nor strong
What is the main purpose of composites
Can be designed for anything
Common composites
fiberglasss, carbon fibers,
Some more (rare) materials
advanced materials, semiconductors, biomaterials, smart materials
