Case Studies

David N. French analyzes various types of samples annually. The following case studies provide a brief summary of actual results along with images detailing the sample analyzed.

Should you have an interest in a particular case study or would like more information on services we provide, please contact us and we will be happy to answer any questions. 

Check back from time to time as new studies are posted!

White Rust Corrosion/Condenser Tube
   
Hydrogen Embrittlement/Chain Link
   
Chain Graphitization/Superheater Tube
   
   
Poor Welding Failure/Water Pipe
   
  Acid Condensation/Heater Basket
   
  Bending Fatigue/Pulverizer Shaft
   
  Improper Material/Tube Replacement
   
  Material Defect /Furnace Wall Tube
   
  Explosive Cleaning Damage/Tube
   
  Stress Corrosion Cracking/SS Pipe
   
  Thermal Fatigue/Sootblower Nozzle
   
Microbiologically-Induced Corrosion/SS Pipe
   
Sootblower Erosion/Boiler Tube