Bubble Formation Evaluation in Laminated Structures
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Solution Overview
Problem
The formation of bubbles in laminated structures is unpredictable and difficult to eliminate, often occurring after a considerable time due to environmental conditions, requiring a method to predict and mitigate bubble formation and develop bubble-free structures.
Innovation Solution
A portable testing system and method that simulates various environmental conditions to induce and evaluate bubble formation in laminated structures, using a controlled environment test chamber with sensors and detectors to capture images and analyze bubble formation potential, allowing for the evaluation of bubble formation under normal and extreme conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If environmental conditions are simulated to induce bubble formation, then bubble formation potential can be evaluated, but testing time and complexity increase
Solution Approach 1:
The patent applies parameter changes by simulating extreme environmental conditions (temperature, humidity, pressure) in a controlled test chamber to accelerate bubble formation. By varying these parameters beyond normal ranges, the system can evaluate bubble formation potential in compressed time while maintaining reliability of predictions.
Solution Approach 2:
The system performs preliminary testing under simulated environmental conditions before actual deployment. By conducting accelerated weathering tests in advance, the patent evaluates bubble formation potential early in the development process, preventing time loss from field failures and rework.
2Ease of repair
If decorative laminate is removed and reapplied when bubbling occurs, then bubble formation is addressed, but labor and time are wasted without assurance of prevention
Solution Approach 1:
The patent implements feedback by using detectors (visual, UV, infrared, thermal) to monitor the structure for bubble formation and providing real-time or periodic evaluation results. This feedback loop allows assessment of bubble formation potential and verification of mitigation measures, eliminating the need for repeated removal and reapplication by enabling predictive evaluation.
Solution Approach 2:
The system performs preliminary evaluation of bubble formation potential before problems occur in service. By testing under accelerated environmental conditions and using multiple detection methods, the patent identifies structures at risk beforehand, allowing preventive measures to be taken rather than reactive repairs.
3Measurement precision
If multiple detectors and sensors are used to evaluate bubble formation, then detection accuracy improves, but device complexity increases
Solution Approach 1:
The patent merges multiple detection methods (visual, UV, infrared, thermal) and environmental control functions into an integrated test chamber system. By combining these detectors and sensors into a single coordinated platform, the system achieves high measurement precision while managing device complexity through unified control and coordinated operation.
Solution Approach 2:
The test chamber is designed with multi-functionality, serving as both the environmental simulation chamber and the detection platform. The same chamber that controls temperature, humidity, and pressure also houses or coordinates with detectors for multiple wavelengths, providing universal functionality that reduces overall system complexity.
4Stability of the object's composition
If bubble formation is allowed to occur naturally over time, then real-world conditions are maintained, but evaluation time extends to days or months
Solution Approach 1:
The patent changes environmental parameters (temperature, humidity, pressure cycles) to extreme values that accelerate the chemical and physical processes leading to bubble formation. By modifying these parameters beyond normal ranges, the system maintains fidelity to the degradation mechanisms while compressing the evaluation time from months to hours or days.
Solution Approach 2:
The system applies periodic environmental cycling (temperature cycles, humidity cycles, pressure changes) to accelerate bubble formation. These repeated cycles of stress and relief mimic and amplify real-world environmental variations, inducing bubble formation faster while maintaining the essential characteristics of natural degradation.
Data Source
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AI summary
A system for evaluating bubble formation potential in a structure includes an environment test chamber and an environmental controller for controlling a plurality of environmental conditions within the environment chamber. The system additionally includes a detector for capturing images of a structure under test and an illumination source for controlling illumination of the structure under test. A user interface is coupled to the environment controller for setting and adjusting environmental conditions within the environment test chamber. The user interface is also coupled to the illumination source for setting and adjusting illumination of the structure and the user interface is coupled to the detector for receiving the captured images and evaluating bubble formation potential in the structure under test based on the captured images.