I.S. EN 658-1:1998
Current
The latest, up-to-date edition.
ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF CERAMIC COMPOSITES AT ROOM TEMPERATURE - PART 1: DETERMINATION OF TENSILE PROPERTIES
Hardcopy , PDF
English
01-01-1998
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Principle
4 Definitions and symbols
4.1 calibrated length, L
4.2 gauge length, L[o]
4.3 initial cross section area, A[o]
4.4 longitudinal deformation, delta L
4.5 tensile strain, apsilon
4.6 tensile stress, sigma
4.7 maximum tensile force, F[t, m]
4.8 tensile strength, sigma[t, m]
4.9 proportional limit stress, sigma o
4.10 proportionality ratio or pseudo-elastic
modulus E[p], elastic modulus, E
4.11 cumulative damage energy, phi
4.12 axial strain
4.13 bending strain
4.14 percent bending
5 Apparatus
5.1 Test machine
5.2 Load train
5.3 Strain measurement
5.4 Data recording system
5.5 Micrometers
6 Test specimens
7 Test specimen preparation
7.1 Machining and preparation
7.2 Number of test specimens
8 Test procedure
8.1 Displacement rate
8.2 Measurement of test specimen dimensions
8.3 Testing technique
8.4 Test validity
9 Calculation of results
9.1 Test specimen origin
9.2 Tensile strength
9.3 Tensile strain at maximum tensile force
9.4 Proportionality ratio or pseudo-elastic
modulus, elastic modulus
9.5 Cumulative damage energy
10 Test report
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