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14 cards from this deck
Most important destructive test in materials science to determine UTS
Maximum force a material can withstand before breaking
Universal testing machine
Ensures material fails in controlled gauge section in middle
Relationship between applied force and material stretch
Specimen-specific, cannot directly compare different materials
Stress=ForceArea\text{Stress} = \frac{\text{Force}}{\text{Area}}Stress=AreaForce
Strain=ExtensionOriginal Length\text{Strain} = \frac{\text{Extension}}{\text{Original Length}}Strain=Original LengthExtension
Material returns to original length when force removed
Permanent deformation, material doesn't return to original length
Transition point from elastic to plastic deformation
Material becomes thinner at weak spot before fracture
Cup and cone fracture
Brittle fracture with clean, flat surfaces
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