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Biomechanical stress analysis using thermography: A review.
Radovan Zdero1, Pawel Brzozowski1, Emil H Schemitsch2
1Orthopaedic Biomechanics Lab, Victoria Hospital, London, ON, Canada.
Journal of Biomechanics
|October 4, 2023
Summary
Thermography offers a novel method for biomechanical stress analysis by detecting temperature anomalies. This technique can predict material fatigue strength and identify areas needing repair in various biological structures.
Area of Science:
- Biomechanics
- Biomaterials Science
- Non-destructive Testing
Background:
- Experimental stress measurement is crucial for analyzing biological structures like bones and implants.
- Existing methods include optical, acoustic, and strain gauge techniques.
- Thermography has been overlooked as a tool for biomechanical stress analysis.
Purpose of the Study:
- To provide a comprehensive review of thermography for biomechanical stress analysis.
- To highlight thermography's potential in identifying stress concentrations and predicting fatigue strength.
- To inform biomechanics researchers about this emerging technology.
Main Methods:
- Literature review of thermography applications in biomechanics.
- Analysis of thermography's physical principles and thermo-elastic properties of biomaterials.
- Examination of experimental protocols and case studies.
Main Results:
- Thermography detects temperature variations linked to stress levels in biological and artificial structures.
- The technique shows promise for predicting cyclic fatigue strength.
- Identified stress anomalies can guide repair, replacement, or redesign decisions.
Conclusions:
- Thermography is a valuable, underutilized tool for non-destructive biomechanical stress analysis.
- It offers unique insights into material integrity and failure prediction.
- Further research and adoption by biomechanics investigators are recommended.
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