Influence of span/depth ratio on the measurement of mode II fracture toughness of wood by end-notched flexure test

Journal of Wood Science

Volumn 47, Issue 1, 2001, Pages 8-12

  Yoshihara, Hiroshi ^a  

^a SHIMANE UNIVERSITY   (Japan)

Author keywords

ENF test; Fracture toughness; Mode II; Span depth ratio

Indexed keywords

BENDING STRENGTH; CRACK PROPAGATION; FRACTURE TOUGHNESS; SHEARING;

LOAD-DEFLECTION RELATION;

WOOD;

BENDING; FRACTURE; SHEARING; TSUGA; WOOD;

CONIUM MACULATUM; TSUGA; TSUGA HETEROPHYLLA;

EID: 0142102707     PISSN: 14350211     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF00776638     Document Type: Article

References (14)

1. Yoshihara H, Ohta M (2000) Measurement of the mode II fracture toughness of wood by end-notched flexure tests. J Wood Sci 46:273-278
2. Carlsson LA, Gillespie JW, Pipes RB (1986) On the analysis and design of the end notched flexure specimen for mode II testing. J Comp Mater 20:594-604
3. Gillespie JW, Carlsson LA, Pipes RB (1986) Finite element analysis of the end notched flexure specimen for measuring mode II fracture toughness. Comp Sci Technol 27:177-197
4. Davies P (1997) Influence of ENF specimen geometry and friction on the mode-II delamination resistance of carbon/peek. J Thermoplast Comp Mater 10:353-361
5. Okusa K (1983) Mode II energy release rate for the end-cracked wood beam (in Japanese). Bull Kagoshima Univ For 11:1-20
6. Okusa K (1983) Studies on the shearing of wood especially on the elastic plastic theory and fracture mechanics IV. Fracture toughness of wood in forward shear mode (in Japanese). Bull Fac Agr Kagoshima Univ 33:193-202
7. Yoshihara H, Kubojima Y, Nagaoka K, Ohta M (1998) Measurement of the shear modulus of wood by static bending tests. J Wood Sci 44:15-20
8. Russell AJ, Street KN (1985) Moisture and temperature effects on the mixed-mode delamination fracture of unidirectional graphite/epoxy. ASTM STP 876:349-370
9. Timoshenko SP (1955) Strength of materials Part 1. Elementary theory and problems, 3rd edn. Van Nostrand, New York, pp 165-310
10. JIS K7086-1993: Testing methods for interlaminar fracture toughness of carbon fibre reinforced plastics
11. JIS K7074-1993: Testing methods for flexural properties of carbon fibre reinforced plastics
12. JIS Z2101-1994: Methods of test for woods
13. ASTM D143-1994: Standard methods of testing small clear specimens of timber
14. ISO 3349-1975: Wood - determination of modulus of elasticity in static bending