BS 7270:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Method for constant amplitude strain controlled fatigue testing
Hardcopy , PDF
29-12-2006
English
30-11-1990
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Committees responsible
Foreword
Method
1. Scope
2. Definitions
3. Symbols
4. Principle
5. Test equipment
6. Specimen geometry
7. Alignment of test fixtures
8. Test procedure
9. Test report
Appendices
A. Generation of data sets
B. Test fixtures
C. Dynamic verification of extensometers
D. Specimen preparation
Tables
1. Cylindrical specimen geometry
2. Alternative cylindrical specimen geometry
3. Plate specimen geometry
Figures
1. One cycle, defined for sinusoidal and triangular
waveform strain histories
2. Stress-strain hysteresis loop
3. Test section profile for cylindrical specimens
4. Alternative test section profile for cylindrical
specimens
5. Test section profile for plate specimens
6. Plot of maximum force against cycles for a
cyclically softening material
7. Schematic diagram of grips for threaded end
specimens
8. Schematic diagram of grips for button end specimens
9. Schematic diagram of grips for conical end specimens
10. Schematic diagram of hydraulically actuated grips
for plate specimens
A method of cyclically extending and compressing a metallic specimen under strain control between set strain limits to determine its fatigue resistance. The method is restricted to uniaxially loaded parallel section specimens tested in air at ambient temperature.
| Committee |
ISE/101/6
|
| DevelopmentNote |
Supersedes 88/40861 DC (09/2005)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| I.S. CWA 15261-1:2005 | MEASUREMENT UNCERTAINTIES IN MECHANICAL TESTS ON METALLIC MATERIALS - PART 1: THE EVALUATION OF UNCERTAINTIES IN LOW-CYCLE FATIGUE TESTING |
| BS 3518-1:1993 | Methods of fatigue testing Methods of fatigue testing. Guide to general principles |
| 97/709982 DC : DRAFT JUN 1997 | ISO/CD 12106 - METALLIC MATERIALS - FATIGUE TESTING AXIAL STRAIN - CONTROLLED METHOD |
| BS 3846:1970 | Methods for calibration and grading of extensometers for testing of metals |
| BS 3518-5:1966 | Methods of fatigue testing Guide to the application of statistics |
| BS 3518-4:1963 | Methods of fatigue testing Torsional stress fatigue tests |
| BS 3518-2:1962 | Methods of fatigue testing Rotating bending fatigue tests |
| BS 3518-3:1963 | Methods of fatigue testing Direct stress fatigue tests |
| BS 3518-1:1962 | Methods of fatigue testing General principles |
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