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57 Cards in this Set

  • Front
  • Back

Fatigue crack propogation

Fatigue microstructure

Conditions for failure fatigue

Stress amplitude Sa

Mean stress sm

S-t graph

Stress ration R

Tension only s-t

Equal tension compression S-t graph

Types of fatigue tests

Servo hydraulic uniaxial testing machine


Rotating bend test

S - n curves (wohler)

Points about s n curves

Fatigue limit

Endurance limit

Fatigue limit curve

S - n graph plot

S - log10N plot

High endurance fatigue

High endurance fatigue equ

Low endurance graph

Low endurance change in plastic strain

Coffin Manson relation

Factors influencing fatigue failure

Does compressive mean stress affect fatigue

Not really

Limiting conditions mean stress

Modified goodman eq

Gerber parabola

Soderburh

Mean stress graphs

Geometric factors

K equation stress

Fatigue strength reduction factor Kf

Fatigue strength reduction graph

Notch sensitivity factor

How size affects fatigue

Temp affects fatigue

Fatigue life cycles

How corrosion affects fatigue

Surface conditions

Surface conditions surface treatment graph

Miners rule

Miners rule deviation graph

Crit buckling

Higher modes of buckling

Free built in buckling

Both ends built in buckling

Built in restraint bucklimg

All buckling ls recap

Intermediate strut graph

Rad of gyration

Slenderness ratio

Buckling stress

Short strut slender strut parameters

Rankine gordon

Sm moment fatigue q

F / A

Sao mom fatigue q

Sd

Bending moment stress in bending mom q

Sam