چکیده مقاله
Delamination is one of the most important damage mechanisms in composite materials During mode I delamination various damage mechanisms may occur and subsequently degrade the long term performance of composite materials Hence, detection and classification of these damage mechanisms is of great importance For this purpose, acoustic emission AE was used as an efficient non destructive method for health monitoring of glass/polyester composites during mode I delamination The dataset was clustered using integration of k means and genetic algorithms The clustering analysis represented three clusters, each one related to a distinct damage mode Considering the relationship between AE parameters and damage mechanisms, the AE signals of obtained clusters were assigned to distinct damage modes Also, the dominance of damage mechanisms was determined based on the distribution of AE signals in different clusters Finally, SEM observation was utilized to validate the results The results indicate good performance of the proposed method in online monitoring of composite materials
کلیدواژهها
نویسندگان
F. Pashmforoush
Faculty of Mechanical Engineering, Amirkabir University of Technology, Tehran, Iran
M. Fotouhi
Faculty of Mechanical Engineering, Amirkabir University of Technology, Tehran, Iran
V. Shokri
Faculty of Mechanical Engineering, Amirkabir University of Technology, Tehran, Iran
M. Ahmadi
Faculty of Mechanical Engineering, Amirkabir University of Technology, Tehran, Iran
شیوه ارجاع
Pashmforoush, F. and Fotouhi, M. and Shokri, V. and Ahmadi, M.,1390,Online Monitoring of Glass/Polyester Composites During Mode I Delamination Test Using Acoustic Emission Method,12th Iranian Conference on Manufacturing Engineering (ICME 2010),Tehran
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مجموعه مقالات دوازدهمین کنفرانس ملی مهندسی ساخت و تولید ایران6 دی 1390 · تهران