DD ENV 13234:2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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. Mechanical properties at ambient temperatures. Evaluation of the resistance to crack propagation by notch sensitivity testing
Hardcopy , PDF
29-12-2006
English
15-09-2000
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1 Scope
2 Normative references
3 Principle
4 Significance and use
5 Definitions and symbols
5.1 ligament
5.2 notch depth, a
5.3 notched specimen width, bn
5.4 maximum tensile force, Fm
5.5 unnotched specimen tensile strength, st,m
5.6 notched specimen tensile strength, st,m,n
5.7 equivalent fracture toughness Keq
6 Apparatus
6.1 Test machine
6.2 Load train
6.3 Data recording system
6.4 Micrometers
6.5 Ligament size measuring device
7 Specimens
7.1 Unnotched test specimens
7.2 Notched test specimens
7.3 Notches
8 Test specimen preparation
8.1 Machining and preparation
8.2 Number of test specimens
9 Test procedure
9.1 Test on reference specimen
9.2 Test on notched specimen
10 Calculation of results
10.1 Test specimen origin
10.2 Tensile strength of unnotched specimen
10.3 Tensile strength of the notched specimen
10.4 Plotting of notch sensitivity diagram
10.5 Calculation of equivalent fracture toughness
for the different classes of behaviour
11 Test report
Annex A (informative) Bibliography
Gives a method for classifying ceramic matrix composite (CMC) materials with respect to their sensitivity to crack propagation using tensile tests on notched specimens with different notch depths.
| Committee |
RPI/13
|
| DevelopmentNote |
Supersedes 98/122161 DC. (08/2005)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| RevisionOf | |
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ENV 13234 : 1998 | Identical |
| EN 10002-2 : 1991 | METALLIC MATERIALS - TENSILE TESTING - PART 2: VERIFICATION OF THE FORCE MEASURING SYSTEM OF THE TENSILE TESTING MACHINE |
| EN 658-1:1998 | Advanced technical ceramics - Mechanical properties of ceramic composites at room temperature - Part 1: Determination of tensile properties |
| ISO 3611:2010 | Geometrical product specifications (GPS) — Dimensional measuring equipment: Micrometers for external measurements — Design and metrological characteristics |
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