Symptom: Brittle, Cracking, Weakness

Possible Causes: What could cause this problem?

Oxidation, degradation, contaminant, incorrect material

Sample Testing Plan: How do you measure?

  • 1. Excise surface or inner material
  • 2. Measure by single-bounce ATR

Data Analysis Plan: How do you identify the problem?

  • 1. Compare to reference part
  • 2. Identify unexpected components
  • 3. Ensure material is correct for conditions; change formulation as needed