Main informations

Collections

National standards and national normative documents

Publication date

August 2009

Number of pages

22 p.

Reference

NF ISO 26910-1

ICS Codes

21.160 Springs

25.220.10 Surface preparation

Classification index

E25-910-1

Print number

1 - 14/08/2009

International kinship

ISO 26910-1:2009

Sumary

Springs - Shot peening - Part 1 : general procedures

ISO 26910-1:2009 specifies general requirements for the shot peening process applied to springs in order to improve their resistance to fatigue and stress corrosion cracking, mainly by introducing compressive residual stresses into their surface layers.

Standard replaced by (1)

NF ISO 26910-1

October 2023

Standard Current

Springs - Shot peening - Part 1 : general procedures

This document specifies general requirements for the shot peening process applied to springs in order to improve their resistance to fatigue and stress corrosion cracking, mainly by introducing compressive residual stresses into their surface layers.

Table of contents

Avant-propos
iv
Introduction
v
1 Domaine d'application
1
2 Références normatives
1
3 Termes et définitions
1
4 Stratégies de grenaillage de précontrainte
3
4.1 Généralités
3
4.2 Mode de grenaillage de précontrainte
3
4.3 Conditions de grenaillage de précontrainte
3
4.4 Catégorie de grenailleuse
4
4.5 Protection des surfaces non grenaillées
4
4.6 Traitements préalable et ultérieur
4
5 Grenaille
5
6 Éprouvette Almen
5
6.1 Classes d'éprouvette Almen
5
6.2 Sélection de la classe d'éprouvette Almen
6
6.3 Support d'éprouvette Almen
6
7 Méthode de mesure
8
7.1 Mesurage de la flèche Almen
8
7.2 Évaluation du taux de recouvrement
8
7.3 Détermination du temps de saturation
9
8 Grenailleuse
9
9 Contrôle du grenaillage de précontrainte
9
9.1 Flèche Almen
9
9.2 Taux de recouvrement
9
10 Mesurage des contraintes résiduelles
9
11 Rapport
10
Annexe A (normative) Photographies de taux de recouvrement normalisées
11
Annexe B (normative) Temps de saturation
12
Annexe C (informative) Jauge Almen
14
Bibliographie
16

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