Abstract
Erratum to: Influence of hydrogen on mechanical properties of pure titanium T40 (grade 2) and TA6V ELI (grade 23): a local approach of fracture
Highlights
In the naval industry, some components are constituted by the assembly of several materials including titanium alloys
It is necessary to study the influence of the metallurgical states and the hydrogen concentrations on the mechanical behaviour of titanium alloys, this requires a better understanding of the contribution of several conditions of cathodic protection (CP) on the mechanisms of fracture
We can see that the size of the ductile band initiation lower with the increase of hydrogen concentration
Summary
Some components are constituted by the assembly of several materials including titanium alloys. To protect the other components, cathodic protection (CP) is applied If this process is very effective and prevents corrosion, it remains a probable source of hydrogen, which can be absorbed by titanium and induced the embrittlement of the structure. This latter characterized by a loss of mechanical properties and the change of the damage mechanism from ductile to brittle. The main evoked hydrogen-assisted damage mechanism in titanium alloys is the formation of hydrides, this mechanism is mainly mentioned when the limit of hydrogen solubility is exceeded which leads to the formation of hydrides [2]. It is necessary to study the influence of the metallurgical states and the hydrogen concentrations on the mechanical behaviour of titanium alloys, this requires a better understanding of the contribution of several conditions of CP (hydrogen concentrations below the solubility and until hydrides formation) on the mechanisms of fracture
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