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Corrosion, Failure Analysis and Materials Selection are our specialities

Corrosion Photographs

bolt fracture
surface

boiler tube
corrosion

Dealumnification of a Nickel Aluminum Bronze Pump Impeller

Intergranular
fracture

boiler tube
corrosion (2)

Sigma Phase

turbine blade
microstructure

ductile
iron micro

Sigma Phase 2

turbine blade
coating corrosion

grain coarsening
cracking

Fatigue of a Valve Clapper

(2) turbine blade microstructure

HE crack in 17-4PH

Corrosion Fatigue
Cracks in Brass

(3) turbine blade microstructure

dezincification

Cleavage Fracture

turbine hot corrosion

dezincification (2)

Mu Phase

HE crack

304SS wire tunneling

17-4 pH Stainless Steel H2S SSC Cracks

quench crack

HP-40 carburization

Stress Corrosion Cracks in a Admiralty Exchanger Tube

water pipe corrosion

aluminum fatigue striations

Fatigue Fracture of MP35N

corrosion fatigue cracks

fatigue features

Ductile/Brittle Fracture

bolt inclusions

hydrogen fracture

Chloride Stress
Corrosion Cracks

bolt fatigue fracture

creep voids (2)

DIP Phase in CD4MCU

chloride SCC crack

HE crack

HIC Cracks

cleavage fracture

explosive decompression

Chloride Stress
Corrosion Cracks

polythionic acid SCC

graphitization

Solid Metal Embrittlement
Failure Fracture

fatigue fracture

metal dusting

Solid Metal Embrittlement
Induced Cracking

creep voids

gear tooth pit

Solid Metal Embrittlement
Induced Bolt Fracture

C-22 weld corrosion

white etching area (WEA)

Copper Valve Failure at
Segregated Lead
304SS caustic crack
rolling contact fatigue crack
Compressive Overload Cracks

 

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Last Updated: Thursday, February 19, 2004 9:55 AM
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