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Updated: Jun 22, 2026
09:53
Predicting Catalyst Extrudate Breakage Based on the Modulus of Rupture
Published on: May 13, 2018
Breaking-rate minimum predicts the collapse point of overloaded materials
Srutarshi Pradhan1, Per C Hemmer
1SINTEF Petroleum Research, NO-7465 Trondheim, Norway. srutarshi.pradhan@sintef.no
Summary
This study models composite materials, finding that the fiber breaking rate in a loaded fiber bundle reaches a minimum halfway through its collapse. This minimum breaking rate is a key indicator of material integrity during failure.
Area of Science:
- Materials Science
- Solid Mechanics
- Statistical Physics
Background:
- Composite materials are crucial in engineering applications.
- Understanding material failure under load is essential for safety and design.
- Fiber bundles serve as a fundamental model for composite behavior.
Purpose of the Study:
- To model the failure behavior of composite materials using a fiber bundle approach.
- To investigate the fiber breaking rate under constant overload.
- To identify critical points in the failure process.
Main Methods:
- Utilizing a fiber bundle model with stochastically distributed breaking thresholds.
- Assuming equal load sharing among intact fibers.
- Applying Hookean elasticity up to the breaking point.
- Analyzing the evolution of the fiber breaking rate.
Main Results:
- The fiber breaking rate was studied under constant load exceeding the critical threshold.
- A minimum in the fiber breaking rate was observed.
- This minimum occurs when the system is approximately halfway through its complete collapse.
Conclusions:
- The minimum breaking rate signifies a unique point in the composite material's failure progression.
- This finding provides insights into the mechanics of material failure in fiber-reinforced composites.
- The study offers a predictive characteristic for material collapse.
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