Metallurgical Lab Case Study: Contaminant Identification
A small metallic particle that had contaminated a product line was brought to SI’s Materials…
Metallurgical Lab Case Study: Corrosion Fatigue in WaterWall Tubes
Increasingly A Safety Concern as Coal Plants Cycle It is well known that conventional coal-fired…
Materials Lab Featured Damage Mechanism: SH/RH Fireside Corrosion in Conventional Coal Fired Boilers
SH/RH Fireside Corrosion in Conventional Coal Fired Boilers Superheater/reheater fireside corrosion is also known as…
Example Grade 91 High Energy Piping DMW Joint Stress & Metallurgical Analysis
Determining a course of action once in-service damage is discovered often requires applying a multi-disciplinary…
Metallurgical Lab – Dissimilar Metal Welds (DMW) in Boiler Tubing: The Need for Confirmation
As plants age, the need for inspection for service related damage to ensure unit reliability…
Unusual Hydrogen Damage Failure
By: Wendy Weiss, Tony Studer, P.E. While hydrogen damage is most often associated with severe…
Applications & Benefits of Optical Microscopy
In the world of metallurgical failure analysis, areas of interest on broken parts can be…
Misuse of Flex Pipes
By: Tony Studer Flexible metal hoses exist in numerous configurations, lengths, and diameters and have…
Misinterpretation of Shock Wave Damage
By: Tony Studer Slag consists of molten, partially fused or re-solidified deposits on furnace walls…
Polythionic SCC
By: Wendy Weiss Structural Integrity Associates, Inc. (SI) was asked to examine a section of…
Stress Accelerated Grain Boundary Oxidation (SAGBO) in Nickel Alloys
By: Amanda Robinson, Tony Studer Modern nickel-iron superalloys have enabled certain high pressure components, such…