DD ENV 1007-5:1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Advanced technical ceramics. Ceramic composites. Methods of test for reinforcements Determination of distribution of tensile strength and tensile strain to failure of filaments within a multifilament tow at ambient temperature
Hardcopy , PDF
09-05-2003
English
15-07-1998
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Contents
National foreword
Foreword
1. Scope
2. Normative references
3. Principle
4. Significance and use
5. Definitions and symbols
5.1 Gauge length
5.2 Initial cross section area
5.3 Tow elongation
5.4 Compliance
5.5 Strain
5.6 Filament rupture strain
5.7 Filament strength
5.8 Average filament strength
5.9 Mean filament strength
6. Apparatus
6.1 Tensile testing equipment
6.2 Data recording
7. Test specimen
7.1 Window type specimen
7.2 Cylindrical end type specimen
8. Test specimen preparation
8.1 Window type specimen
8.2 Cylindrical end type specimen
8.3 Number of test specimens
9. Test procedure
9.1 Determination of the initial cross section area
9.2 Determination of the gauge length
9.3 Gripping
9.4 Selection of strain rate
9.5 Test procedure
9.6 Determination of load train compliance
9.7 Test validity
10. Calculation of results
10.1 Calculation of the load train compliance CI
10.2 Calculation of probability of filament rupture Pj
from the tests on specimens with a gauge length
of 200 mm
10.3 Distribution of filament rupture strain
10.4 Distribution of filament strength
10.5 Young's modulus
11. Test report
Gives the conditions to determine the distribution of strength and rupture strain of ceramic filaments within a multifilament tow at room temperature by performing a single tensile test on a multifilament tow. Applicable to tows of continuous ceramic filaments which are assumed to act freely and independently when loading, and behave linearly elastic up to failure.
| Committee |
RPI/13
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ENV 1007-5 : 1998 | Identical |
| ISO 10119:2002 | Carbon fibre Determination of density |
| EN 10002-2 : 1991 | METALLIC MATERIALS - TENSILE TESTING - PART 2: VERIFICATION OF THE FORCE MEASURING SYSTEM OF THE TENSILE TESTING MACHINE |
| ENV 1007-2 : 1993 | ADVANCED TECHNICAL CERAMICS - CERAMICS COMPOSITES - METHODS OF TEST FOR REINFORCEMENTS - DETERMINATION OF LINEAR DENSITY |
| ENV 843-5 : 1996 | ADVANCED TECHNICAL CERAMICS - MONOLITHIC CERAMICS - MECHANICAL TESTS AT ROOM TEMPERATURE - STATISTICAL ANALYSIS |
| ENV 1007-4 : 1994 | ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - METHODS OF TEST FOR REINFORCEMENTS - DETERMINATION OF TENSILE PROPERTIES OF FILAMENT AT AMBIENT TEMPERATURE |
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