David N. French

Since 1984, David N. French Metallurgists has served as a consulting firm providing metallurgical analysis, expert testimony and educational seminars, specializing in the power industry.

Failure Library

The failure library offers in-depth descriptions of the most common boiler tube failure mechanisms. The content used in these descriptions is taken straight from our laboratory. Contact David N. French, Metallurgists for more information.

• Acid Dewpoint Corrosion

• Acid Phosphate Corrosion

• Caustic Corrosion

• Coal Particle Erosion

• Cold Side Corrosion

• Collateral Steam Washing

• Copper Deposition

• Corrosion Fatigue

• Craze Cracking

• Creep + LTO

• Dissimilar Metal Weld Failure

• Falling Slag Into Hopper Bottom

• Fireside Furnace Corrosion

• Flow Assisted Corrosion

• Fly Ash Erosion

• Graphitization

• High Temp Coal Ash Corrosion

• High Temp Oil Ash Corrosion

• High Temperature Creep

• Hydrogen Damage

• Low Temperature Creep

• Maintenance Damage

• Short Term Overheat

• SIPH

• Soot Blower Erosion

• Stress-Corrosion Cracking

• Thermal Fatigue