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BS EN 3873 Aerospace series — Test methods for metallic materials — Determination of fatigue crack growth rates using Corner-Cracked (CC) test pieces

Source:
CEN
Committee:
ACE/61 - Metallic materials for aerospace purposes
Categories:
Ferrous alloys | Non-ferrous alloys
Comment period start date:
Comment period end date:
Number of comments:
0

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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.

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