Hydrogen as a Temporary Alloying Element for Establishing Specific Microstructural Gradients in Ti-6Al-4V

• Published in: Metals (Basel ) Vol. 12; no. 8; p. 1267
• Main Authors: Schmidt, Christopher David, Christ, Hans-Jürgen, Von Hehl, Axel
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01.08.2022
• Subjects: Aging; Alloying elements; Concentration gradient; Crack initiation; Crack propagation; Degassing; Dehydrogenation; Fatigue; Fatigue failure; Fatigue testing machines; Fracture toughness; Grain size; Heat; Heat treatment; Hydrogen; Hydrogenation; Landing gear; Materials; Metal fatigue; Microstructure; Morphology; numerical simulation of hydrogen concentration profiles; Precipitates; Process parameters; Propagation; Tension tests; thermohydrogen treatment; Titanium alloys; Titanium base alloys; Germany; United States > US

Parts of vehicles, such as landing gear components of aircrafts, are subject to growing demands in terms of sustainability via lightweight design and durability. To fulfill these requirements, the development of thermochemical processes is auspicious. Titanium alloys allow a heat treatment in hydrog...