BS 7991:2001
$142.49
Determination of the mode I adhesive fracture energy, GIC, of structural adhesives using the double cantilever beam (DCB) and tapered double cantilever beam (TDCB) specimens
| Published By | Publication Date | Number of Pages |
| BSI | 2001 | 32 |
This standard specifies a method, based upon linear-elastic fracture-mechanics (LEFM), for the determination of the fracture resistance of structural adhesive joints under an applied mode I opening load using the double cantilever beam (DCB) and tapered double cantilever beam (TDCB) specimens.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Committees responsible for this British Standard |
| 3 | Contents |
| 5 | Introduction |
| 8 | 1 Scope 2 Normative references 3 Symbols and abbreviated terms |
| 9 | 4 Principle 5 Apparatus 5.1 Tensile testing machine |
| 10 | 5.2 Travelling microscope or a video camera with a suitable magnification 5.3 Micrometer or vernier calipers 5.4 Micrometer or vernier calipers 5.5 Typewriter correction fluid (“white ink”) or white spray-paint 6 Specimens 6.1 Number of specimens 6.2 Conditioning 6.3 Manufacture of adhesive joint specimens 6.4 Measurement of specimen dimensions |
| 11 | 6.5 Preparation of specimens 7 Procedure 7.1 Test set-up and data recording 7.2 Initial loading (the precracking stage) |
| 12 | 7.3 Re-loading: testing from the mode I precrack 7.4 Measurement of the machine compliance 8 Data analysis 8.1 Determination of the raw data from the load–displacement trace |
| 13 | 8.2 Determination of |
| 15 | 9 Test report 9.1 General 9.2 Test report for the DCB test |
| 16 | 9.3 Test report for the TDCB test |
| 17 | Figure 1 |
| 18 | Figure 2 |
| 19 | Figure 3 Figure 4 |
| 20 | Annex A (normative) Measurement of testing system compliance |
| 21 | Figure A.1 Annex B (normative) Procedure to follow when unstable or “stick-slip” crack growth is observed during the… |
| 22 | Figure B.1 Annex C (normative) Procedure to detect the occurance of plastic deformation during a DCB or TDCB adhesiv… |
| 23 | Figure C.1 |
| 24 | Annex D (normative) Test report sheets D.1 Test report sheet for DCB test |
| 27 | D.2 Test report sheet for the TDCB test |
