Unlocking the Mystery of Hard Spots on Vintage Pipes

By: Sri Chimbli, PE, AWS CWEng/CWIOver the years, vintage pipes have often been subject to unexpected ruptures, a phenomenon attributed to the presence of 'hard spots'. These are areas of heightened hardness on the outside surface, exceeding 327 HB (35 HRC). The ability to accurately...

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27
Mar 2024

Ensuring Employee Safety: Navigating Hot Weather Hazards in the Workplace

As the sun blazes down during the scorching summer months, the importance of prioritizing the safety and well-being of your staff in hot weather conditions cannot be overstated. Rising temperatures can pose significant risks to employees, leading to heat-related illnesses and...

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24
Aug 2023

Accelerating the Aging Process: Pressure Cycle Testing to Improve Product Design, Development, and Qualification

By: Matthew W. Sanders, PETesting is critical in developing and manufacturing high-quality and high-performance products, since it can provide valuable insights into a product's strengths and weaknesses. This allows manufacturers to make informed decisions about design, materials,...

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13
Feb 2023

Considerations for Additively Manufactured Parts

I grew up watching Star Trek: The Next Generation, and among the many amazing technological achievements commonplace aboard the USS Enterprise NCC-1701-D, I found replicator technology was one of the most interesting. The prospect of having whatever you want, built to your exact...

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13
Jun 2022

Six Degrees of Freedom Rocket Engine Duct Test

Many of today’s cutting-edge rocket engines use liquid natural gas (fuel) and liquid oxygen (oxidizer) to create thrust, which pushes the rocket forward and steers it when the angle of the engine is changed by gimballing. Transporting fuel and oxidizer into a gimballing engine...

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18
Apr 2022

Using Digital Image Correlation to Measure Large Areas of Strain and Displacement

During component testing, strain and displacement data are often critical for fully documenting the behavior of the component. Strain is typically measured using bonded strain gages while displacement is measured with a string potentiometer or a linear variable differential...

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14
Sep 2020

At the Needle Point: The Role of Materials in a Coronavirus Vaccine

The development of a vaccine for the novel coronavirus SARS-CoV-2 has captured—perhaps uniquely—the attention of a global audience of scientists, medical doctors, politicians, and the general public. However, identifying a viable vaccine candidate is only one of the first, of...

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11
Aug 2020

An Overview on Acoustic Emission Testing

When materials are cracking, deforming or otherwise becoming damaged, they produce a kind of sound. Sometimes, these sounds are loud and obvious. Other times, they are much more subtle, and to detect them, you need to use specialized equipment. Detecting these subtler sounds...

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30
Mar 2020

Using Deep Learning to Identify the Most Severe Pipeline Dents

From facial recognition in mobile phones to self-driving cars, artificial intelligence and machine learning is changing everything. Machine learning has a huge potential to be used in asset integrity management to ensure operational safety. The purpose of this blog is to showcase an...

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17
Feb 2020
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