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naSRPS EN 3873:2020

Aerospace series - Test methods for metallic materials - Determination of fatigue crack growth rates using Corner-Cracked (CC) test pieces

General information

40.20     Nov 13, 2025

40.60    Jan 15, 2026

ISS

S020

European Norm

49.025.05     49.025.15  

English  

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Scope

This document specifies the requirements for determining fatigue crack growth rates using corner-crack (CC) test pieces. Crack development is measured using a potential-drop system, and the calculated crack depths can be corrected via marker bands created on the fracture surface during the test. Results are expressed in terms of the crack-tip stress-intensity range (ΔK), with crack depths and test stress level noted.

Life cycle

NOW

PROJECT
naSRPS EN 3873:2020
40.20 DIS ballot initiated: 12 weeks
Nov 13, 2025

Related project

Adopted from prEN 3873

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