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... read More....
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27
Mar 2024
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,... read More....
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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... read More....
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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... read More....
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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... read More....
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14
Sep 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... read More....
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30
Mar 2020
The Cost of Shipping… Air?
About four years ago, when my colleague and I were visiting the R&D packaging facility of a major snack food company, we noticed that a packaging engineer was manually filling a newly developed chip product into a clear plastic tube repetitively and taking the fill height... read More....
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16
Dec 2019
In-Plant Unit Load Transportation Integrity Testing and Improvement
It is quite possible that there has never been a more revolutionary period of change in the history of packaging. With the advent of e-commerce and a seriously strong focus on sustainability, there have never been more simultaneously competing requirements on the successful transport... read More....
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08
Jul 2019
The True Value of Subsea Emergency Pipeline Repair Systems
The consequences of subsea pipeline emergencies can often be catastrophic, both environmentally and financially. A large, uncontrolled pipeline breach has the potential to financially devastate a company, causing them to face long-term loss of revenue, crippling environmental... read More....
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11
Jan 2019
