SOURCE: IDRW.ORG
The Council for Scientific and Industrial Research (CSIR) has unveiled a cutting-edge non-destructive evaluation (NDE) framework that utilizes ultrasonic guided waves to detect damage in aircraft components. Developed by researchers at CSIR’s National Aerospace Laboratory (NAL), this innovative technology promises to revolutionize aircraft maintenance by offering a faster, more cost-effective, and reliable method compared to conventional techniques.
The new framework is set to enhance safety and efficiency in both civil aviation and military operations. By enabling precise damage detection, it supports routine maintenance and life-extension programs for aircraft, ensuring operational reliability and safety. The technology’s applications extend beyond commercial aviation, offering significant benefits to the armed forces for day-to-day assessments and extending the service life of critical assets.
CSIR-NAL researchers demonstrated the effectiveness of low-frequency guided wave-based damage detection in aircraft structures. Their findings revealed that significant interruptions in wavefields indicate the presence of damage, while undamaged components exhibit smooth wave patterns. The amplified responses of wave modes further confirmed the accuracy of damage detection, with the framework successfully identifying and localizing multiple affected zones, underscoring its robustness.
Unlike traditional NDE methods, which can be time-consuming and costly, the guided wave-based approach stands out for its operational simplicity and ability to inspect large areas with minimal energy loss. This makes it a frontrunner among NDE techniques for assessing structural integrity in engineering applications, particularly in aerospace.
The development aligns with India’s push to advance indigenous technologies in critical sectors like aerospace. By providing a reliable and efficient tool for damage detection, CSIR’s framework could reduce maintenance costs, minimize downtime, and enhance the longevity of aircraft, benefiting operators in both civilian and defense domains.
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