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Abstrakty
Purpose: The article presents the adoption of thermal imaging techniques in assessing methodology of the fatigue degradation degree of the polymeric materials. Design/methodology/approach: Epoxy composites reinforced with glass fiber have been subjected to three point method fatigue bending. The degraded materials were then tested using thermovision method. Findings: In experiments the temperature changes velocity of the samples was determined in the conditions of infrared radiation. The dependence between speed up of temperature and the number of fatigue cycles was determined. With an increasing a number of fatigue cycles drop in temperature speeds up was observed. Research limitations/implications: Restriction is a condition of loading state - as homogeneous as possible, and hence the homogeneous degradation state of the material. Practical implications: Designated diagnostic relation gives a basis for non-destructive evaluation of the degree of exhaustion of load-bearing capacity of the material. Originality/value: Original value of the paper are the experimental results proving the effectiveness of non-destructive thermographic methods for polymeric materials diagnosis.
Wydawca
Rocznik
Tom
Strony
88--93
Opis fizyczny
Bibliogr. 15 poz., rys., tabl.
Twórcy
autor
autor
- Division of Metal and Polymer Materials Processing, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland, maciej.rojek@polsl.pl
Bibliografia
- [1] S. Ochęduszko, Thermodynamics. WNT, Warsaw, 1970.
- [2] E.H. Wichmann, Quantum Physics.PWN, Warsaw, 1973.
- [3] S. Poloszyk, Thermovision enabled in NDT, Manufacturing'01 Materials 2 (2001) 221-228.
- [4] W. Oliferuk, Active thermography in the study of materials. A collection of lectures Seminar Non-destructive testing of materials, Zakopane, 2006, 10-25.
- [5] D. Bates, G. Smith, D. Lu, J. Hewitt, Rapid thermal non destructive testing of aircraft components, Compoaites: Part B 31 (2000) 175-185.
- [6] N.P. Avdelidis, B. C. Hawtin, D. P. Almond, Transient thermography in the assessment of defects of aircraft composites, NDT & E International 36 (2003) 433-439.
- [7] N.P. Avdelidis, C. Ibarra-Castanedo, X. Maldague, Z. P. Marioli-Riga, D.P. Almond, A thermographic comparison study for the assessment of composite patches. Infrared Physics&Technology 45 (2004) 291-299.
- [8] M. Krishnapillai, R. Jones, I.H. Marshall, M. Bannister, N. Rajic, Thermography as a tool for damage assessment. Composite Structures 67 (2005) 149-155.
- [9] C. Meola, G.M. Carlomagno, L. Giorleo, Geometrical limitations to detection of defects in comosite by means of infrared thermography, Journal of Nondestructive Evaluation 23/4 (2004).
- [10] N. Rajic, Principal component thermography for flaw contrast enhancement and flaw depth characterization in composites structures, Composite Structures 58 (2002) 521-528.
- [11] C. Santulli, IR thermography study of the effect of moulding parameters on impact resistance in E-glass/polypropylene commingled laminates NDT & E International 35 (2002) 377-383.
- [12] D. Bates, G. Smith, D. Lu, J. Hewitt, Rapid thermal non destructive testing of aircraft components, Compoaites: Part B 31 (2000) 175-185.
- [13] C. Meola, G.M. Carlomagno, A. Squillace, A. Vitiello, Non-destructive evaluation of aerospace materials with lock-in thermography, Engineering Failure Analysis 13 (2003) 380-388.
- [14] T. Uhl, Dynamic thermography as a diagnostic tool for the construction, Coll ref. XLVI symposium "Mechanics", Wisła, 2007.
- [15] G. Muzia, Z. Rdzawski, M. Rojek, J. Stabik, G. Wrobel, Thermographic diagnosis of fatigue degradation of epoxy-glass composites, Coll ref. XLVI symposium "Mechanics", Wis
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BOS2-0023-0013