Metallurgical Lab Case Study: Contaminant Identification
A small metallic particle that had contaminated a product line was brought to SI’s Materials Laboratory for analysis. The goal…
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 utility boilers are cycling more…
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 coal ash corrosion in coal…
Metallurgy and Failure Analysis
Structural Integrity is an industry leader in materials testing, condition assessment, and failure analysis. The metallurgical experts in our Materials…
Failure Analysis
Failure is defined as any change in a component that prevents satisfactory performance of its intended function. Understanding why a…
In-House Austin Laboratory Capabilities
Structural Integrity's Materials Laboratory in Austin, Texas, list of in-house capabilities. Click to Download the PDF
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 approach that utilizes Nondestructive Examination…
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 increases. There are several approaches…
Unusual Hydrogen Damage Failure
By: Wendy Weiss, Tony Studer, P.E. While hydrogen damage is most often associated with severe gouging on the internal surface…
Applications & Benefits of Optical Microscopy
In the world of metallurgical failure analysis, areas of interest on broken parts can be colorful or drab, three-dimensional or…
Misuse of Flex Pipes
By: Tony Studer Flexible metal hoses exist in numerous configurations, lengths, and diameters and have found a wide range of…
Misinterpretation of Shock Wave Damage
By: Tony Studer Slag consists of molten, partially fused or re-solidified deposits on furnace walls and other surfaces exposed to…
Polythionic SCC
By: Wendy Weiss Structural Integrity Associates, Inc. (SI) was asked to examine a section of a burner gas ring from…
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 as gas turbine blades, turbine…