I.S. EN ISO 12004-2:2021
Current
The latest, up-to-date edition.
Metallic materials - Determination of forming-limit curves for sheet and strip - Part 2: Determination of forming-limit curves in the laboratory (ISO 12004-2:2021)
Hardcopy , PDF
English
21-03-2021
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principle
6 Test pieces and equipment
7 Analysis of strain profile and measurement of ε1 – ε2 pairs
8 Documentation
9 Test report
Annex A (normative) Second derivative and “filtered” second derivative
Annex B (normative) Calculation of the width of the fit window
Annex C (normative) Evaluation of the inverse best-fit parabola on the “bell-shaped curve”
Annex D (normative) Application/Measurement of grid - Evaluation with magnifying glass or microscope
Annex E (informative) Tables of experimental data for validation of calculation programme
Annex F (normative) Representation and mathematical description of FLC
Annex G (informative) Examples of critical section line data
Annex H (normative) Flowchart from measured strain distributions to FLC values
Bibliography
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