Entries by Structural Integrity

Materials Laboratory Failure Analysis

Failure can be defined as any change in a component that prevents satisfactory performance of its intended function. Understanding why a component failed is important for several reasons. First, a determination of the failure mode is an essential component of any root cause analysis. Second, understanding a component failure provides essential information for preventing additional […]

SI Solutions Expands Structural Engineering Expertise and Adds Controls Engineering Division with the Acquisition of SC Solutions, Inc.

CHARLOTTE, NC – SI Solutions is pleased to announce the purchase of SC Solutions, Inc., a respected provider of innovative engineering solutions for the advanced process controls and structural engineering industries. Founded in 1987, SC Solutions has served its clients in Silicon Valley and beyond, expanding to Sacramento, CA, Portland, OR, and Atlanta, GA. SI […]

News & Views, Volume 53 | Serviceability Assessment of an L-Grade Stainless Steel Pipe Fitting

By: Terry Totemeier A client recently ordered a Type 316 stainless steel pipe coupling fitting for use in a high-pressure, high-temperature steam line operating at 1005°F.  The fitting that was received was so-called dual grade Type 316/316L stainless steel.  Given the limitations on using “L” grades of stainless steel at high temperatures, the client requested […]

Dan Patten Appointed Director, Strategic Business Development

Structural Integrity Associates, Inc. (SIA) is pleased to announce the addition of Daniel (Dan) Patten as Director, Strategic Business Development. Mr. Patten comes to SIA with a diverse background in the power generation industry. Most recently, Mr. Patten served as the Fleet Engineering Manager for Energy Harbor, where he held responsibility for Fleet Programs Engineering […]

News & Views, Volume 53 | Encoded Phased Array Ultrasonic Examination Services for Cast Austenitic Stainless Steel (CASS) Piping Welds

IN PRESSURIZED WATER REACTOR (PWR) COOLANT SYSTEMS By:  John Hayden and Jason Van Velsor The CASS piping welds present in many PWR plants provide numerous and complicated challenges to their effective ultrasonic examinations. To this point, a viable ultrasonic examination solution for the inspection of these piping components, as required by ASME Code Section IX,  […]

News & Views, Volume 53 | Phased Array Ultrasonic Testing (PAUT) Monitoring with Ultrasonic Thick-Film Arrays

Traditional nondestructive examination (NDE) activities are planned based on hours of service, number of load cycles, time elapsed since previous inspections, or after the emergence of clear and obvious damage in a component. While engineering judgment and risk analysis can, and should, be used to prioritize inspections, these prioritizations are not based on the actual […]