This course provides guidance on a selection of materials for hydrogen systems. The primary focus is on hydrogen embrittlement of metals, but other material compatibility concerns with metals and polymers are also discussed.
Center for Hydrogen Safety
This course is presented by the Center for Hydrogen Safety (CHS). CHS is a global oriented non-profit dedicated to promoting hydrogen safety and best practices worldwide.
The CHS identifies and addresses concerns regarding the safe use of hydrogen:
As a sustainable energy carrier
In commercial and industrial applications
In hydrogen and fuel cell technologies
Who Should Attend
Those responsible for selecting hydrogen system materials of construction.
What You’ll Learn
Hydrogen’s interactions with metals
The phenomenon of hydrogen embrittlement
The variables affecting the severity of hydrogen embrittlement
How to correctly choose a material for use in hydrogen service
Outline
Module 1: Material Interactions with Hydrogen
Hydrogen Interaction with Structural Metals
Concerns Regarding Hydrogen Interactions with Metals
Hydrogen Interactions with Metal Components
Safety Concerns of Hydrogen-Metal Interactions
The Effect of Hydrogen Embrittlement on Metal Toughness
Hydrogen Embrittlement and Crack Propagation
Crack Propagation Process
Hydrogen-Enhanced Decohesion
Safety Concerns of Hydrogen-Enhanced Decohesion
Module 2: Variables Affecting Hydrogen Embrittlement
Variables Affecting Hydrogen Embrittlement of Structural Metals
Variables that Affect Hydrogen Embrittlement
Material Variables
Mechanical Variables
Environmental Variables
Module 3: Material Selection for Hydrogen Projects
Material Selection for Hydrogen Projects
Resources to Guide the Selection of Materials for Hydrogen Service
Assessing Material Performance
Material Performance Assessment
Service Experience Examples
Hydrogen Compatibility Guidelines for Metals
Material Selection Consideratoins
Material Characteristics
Low Temperature Embrittlement
Fire Resistance
Component Design
Stress Intensity Factor
Applying Fracture Mechanics Design: Example
Incident: Ball Valve Failure
Estimated Time: 1.00 hour