1 - AS 4878.9-2001 METHODS OF TEST FOR COATED FABRICS - DETERMINATION OF RESISTANCE TO DAMAGE BY FLEXING
1 - PREFACE
2 - INTRODUCTION
5 - 1 Scope
5 - 2 Normative references
5 - 3 Method A - De Mattia method
5 - 3.1 Principle
5 - 3.2 Apparatus
5 - 3.21 Flex-testing machine
5 - 3.3 Preparation of test pieces
6 - 3.4 Conditioning and testing atmosphere
6 - 3.5 Procedure
6 - 3.6 Examination of test pieces
7 - 3.7 Test report
7 - 4 Method B - Schildknecht method
7 - 4.1 Principle
7 - 4.2 Apparatus
7 - 4.2.1 Test machine
7 - 4.2.2 Hose clips or tool clips
7 - 4.3 Preparation of test pieces
7 - 4.3.1 General
7 - 4.3.2 Test pieces for subsequent hydrostatic-head testing
7 - 4.4 Conditioning and testing atmosphere
7 - 4.5 Procedure
7 - 4.6 Examination of test pieces
8 - 4.7 Test report
8 - 5 Method C - Crumple/flex method
8 - 5.1 Principle
9 - 5.2 Apparatus
9 - 5.3 Preparation of test pieces
9 - 5.3.1 General
9 - 5.3.2 Test pieces for subsequent hydrostatic-head testing
9 - 5.4 Conditioning and testing atmosphere
9 - 5.5 Procedure
9 - 5.6 Examination of test pieces
11 - 5.7 Test report
11 - 6 Analysis of flexing damage
11 - 6.1 Assessment and description
11 - 6.1.1 Assessment of flex crack resistance
12 - 6.1.2 Description of damage
12 - 6.2 Cracking
12 - 6.2.1 General
12 - 6.2.2 Depth of cracking
12 - 6.2.3 Number of cracks
12 - 6.2.4 Length of cracks
12 - 6.3 Delamination
13 - Annex A - Recommendations for conducting flex testing on wet test pieces
13 - A.1 Wetting-out
13 - A.2 Mounting