Fatigue of foam core sandwich beams - 2: Effect of initial damage

International Journal of Fatigue

Volumn 19, Issue 7, 1997, Pages 563-578

  Burman, M ^a   Zenkert, D ^a  

^a ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

Author keywords

Cellular foam; Crack propagation; Fatigue; Notch factor; PMI; Prediction model; PVC; Sandwich construction; Sub surface core damage

Indexed keywords

CRACK PROPAGATION; CURVE FITTING; DEFECTS; FATIGUE TESTING; FOAMED PLASTICS; FRACTURE MECHANICS; LOADS (FORCES); MATHEMATICAL MODELS; POLYVINYL CHLORIDES; SANDWICH STRUCTURES; SHEAR STRESS; WEIBULL DISTRIBUTION;

BUTT JOINT; FOAM CORE SANDWICH BEAMS; FRACTURE PATHS; INITIAL DAMAGE EFFECT; INTERFACE DISBOND; LOADING RATIO; NOTCH FACTOR; POINT STRESS CRITERION;

FATIGUE OF MATERIALS;

EID: 0031200020     PISSN: 01421123     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0142-1123(97)00068-6     Document Type: Article

References (19)

1. Burman, M. and Zenkert, D., Fatigue of foam core sandwich beams - part 1: undamaged specimens. Report 96-12. Department of Aeronautics, Kungliga Tekniska Högskolan, Sweden, 1996.
2. Zenkert, D., Schubert, O. and Burman, M., Fracture initiation in foam core sandwich structures due to singular stresses at corners. Mechanics of Composite Materials and Structures, 1997, 4(1), 1-21.
3. Zenkert, D., Strength of sandwich beams with interface debondings. Composite Structures, 1991, 17, 331-350.
4. DIVINYCELL. Technical Manual H-Grade. Divinycell International AB, Laholm, Sweden, 1991.
5. ROHACELL. Technical Manual. Röhm GmbH, Darmstadt, Germany, 1987.
6. Annual Book of ASTM Standards. ASTM, Philadelphia, USA.
7. Olsson, K.-A. and Lönnö, A., Test procedures for foam core materials, First International Conference on Sandwich Constructions, ed K.-A. Olsson and R. P. Reichard. EMAS Ltd, Solihull, UK, 1989, pp. 293-318.
8. Echtermeyer, A. T., Buene, L., McGeorge, D. and Sund, O. E., Four point bend testing of GRP sandwich beams - part 1. Det Norske Veritas Report VR-91-P0013, Norway 1991.
9. Buene, L., Echtermeyer, A. T. and Sund, O. E., Fatigue properties of PVC foam core materials. Det Norske Veritas Report 91-2049, Norway, 1991.
10. Allen, H. G. and Shenoi, R. A, Flexural fatigue tests on sandwich structures, Second International Conference on Sandwich Constructions, ed D. Weismann-Berman and K.-A. Olsson. EMAS Ltd, Solihull, UK, 1989, pp. 499-517.
11. Shenoi, R. A., Clark, S. D. and Allen, H. G., Fatigue behaviour of polymer composite sandwich beams. Journal of Composite Materials, 1995, 29, 2423-2445.
12. Plantema, F. J., Sandwich Construction. Wiley, New York, 1966.
13. Zenkert, D., An Introduction to Sandwich Construction EMAS Ltd, Solihull, UK, 1995.
14. Suresh, S., Fatigue of Materials. Cambridge University Press, UK, 1991.
15. Weibull, W., A statistical distribution function of wide applicability. Journal of Applied Mechanics, Transactions of the ASME, 1951, 18, 293-297.
16. Andersson, B., Calculation of Fracture Mechanics Parameters from measured Surface Displacements in Composite Materials, Sixth Nordic Seminar on Computational Mechanics, University of Linköping, Sweden, 18-19 October 1993, pp. 181-184.
17. Andersson, B., Falk, U. and Babuska, I., Accurate and reliable determination of edge and vertex stress intensity factors in three-dimensional elastomechanics. ICAS-90-4.9.2, American Institute of Aeronautics and Astronautics, Washington, USA, 1990, pp. 1730-1746.
18. Grenestedt, J. L., Hallström, S. and Kuttenkeuler, J., On cracks emanating from wedges in expanded PVC foam. Engineering Fracture Mechanics, 1996, 54, 445-456.
19. Lin, K. Y. and Hartmann, H. H., Numerical analysis of stress singularities at a bonded anisotropic wedge. Engineering Fracture Mechanics, 1989, 22, 211-224.