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BS ISO 12108:2012

BS ISO 12108:2012

$198.66

Metallic materials. Fatigue testing. Fatigue crack growth method

Published By Publication Date Number of Pages
BSI 2012 54
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PDF Catalog

PDF Pages PDF Title
3 CVP_Secretariat_Loca
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Symbols and abbreviated terms
4.1 Symbols
12 4.2 Abbreviated terms for specimen identification
13 5 Apparatus
5.1 Testing machine
5.2 Cycle-counter
5.3 Grips and fixtures for CT specimens
15 5.4 Grips and fixtures for CCT/SENT specimens
19 5.5 Grips and fixtures for the SENB specimens
5.6 Crack length measurement apparatus
20 6 Specimens
6.1 General
24 6.2 Crack plane orientation
26 6.3 Starter notch precracking details
28 6.4 Stress-intensity factor
29 6.5 Specimen size
30 6.6 Specimen thickness
31 6.7 Residual stresses
7 Procedure
7.1 Fatigue precracking
7.2 Crack length measurement
32 7.3 Constant-force-amplitude, Κ-increasing, test procedure for da/dN > 10−5 mm/cycle
33 7.4 K-decreasing procedure for da/dN < 10−5 mm/cycle
35 8 Crack length measurement
8.1 Resolution
8.2 Interruption
8.3 Static force
8.4 Measurement interval
36 8.5 Symmetry
8.6 Out-of-plane cracking
8.7 Crack tip bifurcation
9 Calculations
9.1 Crack-front curvature
9.2 Determining the fatigue crack growth rate
37 9.3 Determination of the fatigue crack growth threshold
10 Test report
10.1 General
10.2 Material
38 10.3 Test specimen
10.4 Precracking terminal values
10.5 Test conditions
39 10.6 Test analysis
10.7 Presentation of results
46 Annex A
(informative)

Non-visual crack length measurement methodology — Electric potential difference [18] [24] [33]

49 Bibliography

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BS ISO 12108:2012
$198.66