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BS 7270:1990

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Method for constant amplitude strain controlled fatigue testing
Available format(s)

Hardcopy , PDF

Superseded date

29-12-2006

Language(s)

English

Published date

30-11-1990

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Superseded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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