EN
SR EN ISO 10275:2020
Materiale metalice. Table și benzi. Determinarea coeficientului de ecruisare la tracțiune
This document specifies a method for determining the tensile strain hardening exponent n of flat products (sheet and strip) made of metallic materials. The method is valid only for that part of the stress-strain curve in the plastic range where the curve is continuous and monotonic (see 8.4). In the case of materials with a serrated stress-strain curve in the work hardening range (materials which show the Portevin-Le Chatelier effect, e.g. AlMg-alloys), the automatic determination (linear regression of the logarithm true stress vs. the logarithm true plastic strain, see 8.7) is used to give reproducible results.
Status :
In vigoare
Data aprobării : 27.11.2020
Număr de pagini : 22
ICS : 77.040.10 Încercari mecanice ale metalelor
Comitet tehnic : 42 - Oţeluri şi feroaliaje
- Inlocuieste SR EN ISO 10275:2014