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Applied Fracture Mechanics – Using fracture-based science to make the world safer
The Fastest Fracture Analysis

We use the Rising Step Load (RSL) method to understand fracture mechanics and cracking at the speed of production.

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Do more in less time

By incrementally increasing the load over time and using a sensitive load cell, we can find the fracture mechanics values for materials in a small fraction of the time required for most other tests. This is extremely helpful for comparing candidate materials or coatings that may be susceptible to hydrogen embrittlement, stress corrosion, and other environmental cracking mechanisms. 

Just as importantly, the RSL evaluation provides a quantitative measure - an exact value of the threshold - rather than just a pass/fail test at a selected threshold. So you get more actionable data and can monitor the performance of your materials over time. 

RSL Hydrogen Embrittlement Testing by ASTM F519 Compared to Sustained Load
Proven to Correlate

Extensive tests have demonstrated the equivalence with long-term test methods.

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Bay bridge hardness testing
Cost Effective

Save money and time by rapidly testing every batch of material without having to wait months!

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Hydrogen Embrittlement Failure of Bolts
Highly Accurate

We can pinpoint the threshold to within 1-2 % of the maximum sustained load.

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Fracture Surface of Hydrogen Embrittled Parts
R&D and Failures

A powerful tool for comparing materials and evaluating failures.

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A cutting edge test method New
Learn More about RSL Options
We offer a range of RSL testing options: Tensile or Bend Testing Frames, K1C Fracture Toughness Testing, K1SCC Environmental Cracking Fracture Toughness Testing, and More Options.
Save tons on design and development

RSL can help you pick the optimal materials for your application and determine the maximum safe loads far more accurately than other sustained load testing can. So you can design and build the best possible version of what you want to make. 

  • Improved Modeling
  • Save Materials and Time
  • Operate More Safely
  • Satisfy Regulators
Introducing the future of RSL

It started with aerospace - but now it's spreading across the world to every industry. We are passionate about bringing the Rising Step Load process to help make the world a safer place by preventing environmental corrosion through science and data. 

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Design
June 6, 2023
"We are working at almost twice the capacity".
Change the way you handle and store materials. Reduce downtime that was spent waiting for test results, improve quality and safety, and help meet our customer's requirements.
Harvey Derwent, bolt company
Improved reliability of metals

High-strength metals are the building blocks of our society. Our technology allows you to ensure they are safe and will be long-lasting.

Rapid Testing

RSL Testing is the fastest, most reliable way to evaluate hydrogen embrittlement and other environmental cracking. Test in hours instead of weeks/months. 

Cost-Effective

Testing the right way can save you money, time, and effort. Let us show you how you can speed up production while reducing storage costs and recall issues.

Accurate

RSL is the only ASTM-enshrined method for quantitatively measuring hydrogen embrittlement susceptibility.

Failure Analysis

From tiny screws to the SF Bay Bridge, our experts can help prove the cause of failure and prevent it from occuring again.

Flight-Ready

First developed for aerospace, the RSL method can help ensure your materials are ready for flight... or any other application.

ASTM and Beyond

Our systems can test according to ASTM F519, F1624, F1940, and many other specifications.

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Ready to find out how you can save time & money and improve safety? Let's talk now!