FD ISO/TR 20491

FD ISO/TR 20491

May 2019
Published document Cancelled

Fasteners - Fundamentals of hydrogen embrittlement in steel fasteners

This document presents the latest knowledge related to hydrogen embrittlement, translated into know-how in a manner that is complete yet simple, and directly applicable to steel fasteners.

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Main informations

Collections

National standards and national normative documents

Publication date

May 2019

Number of pages

28 p.

Reference

FD ISO/TR 20491

ICS Codes

21.060.01   Fasteners in general

Classification index

E25-043

Print number

1

International kinship

Sumary
Fasteners - Fundamentals of hydrogen embrittlement in steel fasteners

This document presents the latest knowledge related to hydrogen embrittlement, translated into know-how in a manner that is complete yet simple, and directly applicable to steel fasteners.

Standard replaced by (1)
FD CEN ISO/TR 20491
February 2022
Published document Current
Fasteners - Fundamentals of hydrogen embrittlement in steel fasteners

This document presents the latest knowledge related to hydrogen embrittlement, translated into know-how in a manner that is complete yet simple, and directly applicable to steel fasteners.

Table of contents
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Abréviations et symboles
  • 5 Description générale de la fragilisation par l'hydrogène
  • 6 Mécanisme d'endommagement par l'hydrogène
  • 7 Morphologie de la rupture
  • 8 Conditions à la pointe d'une fissure
  • 9 Conditions d'une rupture due à la fragilisation par l'hydrogène
  • 10 Fixations cémentées
  • 11 Galvanisation à chaud et effet de "sur-trempe"
  • 12 Relaxation des contraintes avant revêtement électrolytique
  • 13 Fixations à filetage roulé après traitement thermique
  • 14 Méthodes d'essai pour la fragilisation par l'hydrogène
  • 15 Dégazage
  • Bibliographie
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