Fracture Toughness (Griffith)

mat-fracture-toughness

Fracture Toughness (Griffith)

materials

Failure Theories

K_I = Y \sigma \sqrt{\pi a}

Mode I stress intensity factor

Y is geometry factor; a is crack length

[
  {
    "symbol": "Kᵢ",
    "name": "Stress Intensity Factor",
    "unit": "MPa·√m",
    "siUnit": "MPa·√m"
  },
  {
    "symbol": "Y",
    "name": "Geometry Factor",
    "unit": "",
    "siUnit": ""
  },
  {
    "symbol": "σ",
    "name": "Applied Stress",
    "unit": "Pa",
    "siUnit": "Pa",
    "imperialUnit": "psi"
  },
  {
    "symbol": "a",
    "name": "Crack Length",
    "unit": "m",
    "siUnit": "m",
    "imperialUnit": "in"
  }
]

Kᵢ, σ, a

fracture, toughness, crack, griffith, stress, intensity

false