Non-Fracture Failures
- Ductile Deformation
- Creep
- Distortion
- Wear
- General Corrosion
- Leakage, e.g., Selective Leaching, Pitting, Crevice Corrosion
Causes of Failure
- Poor Design
- Imperfections in Materials
- Imperfections in Manufacture/Fabrication
- Overloading/Service Abuse
- Improper Maintenance or Repair
- Environmental Effects
- Combinations of the above
Examination Steps
- Assemble Background Information
- Visual Examination of Failure
- Fractographic Examination
- Verify Materials Used
- Determine Mechanical Properties
- Metallographic Examination (Macro/Micro)
- Analyze Corrosion Deposits
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