The Use of Ultrasonic Guided Waves in Cure Monitoring of Adhesives
محل انتشار: نهمین کنفرانس بین المللی آکوستیک و ارتعاشات
سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 388
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شناسه ملی سند علمی:
ISAV09_110
تاریخ نمایه سازی: 11 دی 1398
چکیده مقاله:
Adhesive materials, according to their different characteristics, are widely applied in the industry; therefore, it is vital to monitor the curing process. This paper experimentally illustrates the applicability of ultrasonic Lamb waves to determine the curing phase of Polymax (PX) and Primer (Pr) adhesive layers, which are bonded over a finite size of an aluminum plate. Lamb waves generate and detect using piezoelectric transducers that are coupled on the aluminum plate. Because of the sensitivity of Lamb wave signals to the physical changes of adhesives during the cure cycle, the amplitude difference (AD) of two neighboring signals is employed to determine the phase of each curing stage: liquid state (uncured), semi-liquid state (semi-cured), and solid-state (fully-cured). The analysis of the adhesive phases exhibits good agreement with the recommended cure time by the manufacturer and shows the distinctive nature of PX and Pr adhesives, making the ultrasonic Lamb waves an appropriate technique to assess the adhesives status. This study can also be applied to the cure monitoring of PX and Pr adhesives as reference data.
کلیدواژه ها:
نویسندگان
Mohammad Mehrabi
Graduate student, Faculty of Mechanical and Energy Engineering, Shahid Beheshti University, ۱۶۵۸۹-۵۳۵۷۱, Tehran, Iran.
Mohammad Hossein Soorgee
Assistant Professor, Faculty of Mechanical and Energy Engineering, Shahid Beheshti University, ۱۶۵۸۹-۵۳۵۷۱, Tehran, Iran.