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ISIJ International· 2016Q2· Review

Prevention of Hydrogen Embrittlement in Steels

H. K. D. H. Bhadeshia

Short summary

This review outlines strategies to prevent hydrogen embrittlement in steels by either blocking hydrogen entry or immobilizing it within the material.

AI-generated from the title and abstract; the full text is not read.

Key points

  • Hydrogen embrittlement is caused by diffusible hydrogen's harmful effect on steel toughness.
  • Prevention strategies involve reducing hydrogen entry into steel.
  • Alternative methods focus on immobilizing hydrogen once it has penetrated the steel.
  • The review discusses design approaches for steels and components to achieve resistance.

AI-generated from the title and abstract; the full text is not read.

Abstract

The essential facts about the nature of the hydrogen embrittlement of steels have now been known for 140 years. It is diffusible hydrogen that is harmful to the toughness of iron. It follows, therefore, that the harmful influence of diffusible hydrogen can be mitigated by preventing its entry into steel or by rendering it immobile once it penetrates the material. This review deals with the methods that might be implemented to design steels and components that resist hydrogen embrittlement by reducing the intake of hydrogen or rendering it innocuous when it does penetrate the steel.

The authors' abstract, as published at the source. ISIJ International, 2016 · DOI ↗

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Field: Metals and Alloys

Metals and AlloysMaterials Science