The interaction of borides and longitudinal twinning in polycrystalline TiAl alloys
Sign Up to like & getrecommendations! Published in 2017 at "Acta Materialia"
DOI: 10.1016/j.actamat.2017.08.055
Abstract: Abstract In this paper the occurrence of twinning parallel to the lamellae during compression at 700 °C of a polycrystalline nearly lamellar commercial γ-TiAl alloy, Ti-45Al-2Nb-2Mn(at%)-0.8 vol% TiB 2 , has been studied and shown to lead… read more here.
Keywords: borides longitudinal; polycrystalline tial; tial alloys; longitudinal twinning ... See more keywords
Effect of β-phase stabilizing elements and high temperature (1373–1693 K) on hydrogen absorption in TiAl alloys
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2016.09.137
Abstract: Abstract In this research work, the effect of β-phase stabilizing elements (Nb, Cr, V) and high temperature (1373–1693 K) on hydrogen absorption in TiAl alloys was investigated. The results show that hydrogen content increases with increasing… read more here.
Keywords: hydrogen; phase stabilizing; stabilizing elements; tial alloys ... See more keywords
Structural stability and the alloying effect of TiB polymorphs in TiAl alloys
Sign Up to like & getrecommendations! Published in 2017 at "Intermetallics"
DOI: 10.1016/j.intermet.2017.07.002
Abstract: Abstract Borides have been widely used in cast TiAl alloy for grain refinement and a variety of stoichiometry and crystal structure of borides were reported. Here the effects of alloying elements Nb, Ta, and Mn… read more here.
Keywords: tib polymorphs; tial alloys; stability alloying; stability ... See more keywords
Role of alloying elements during thermocyclic oxidation of β/γ-TiAl alloys at high temperatures
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2016.08.259
Abstract: Abstract Gamma titanium aluminides are promising alloys known for their good mechanical properties and low densities, but their low oxidation resistance at high temperatures limits their application. This work discusses the thermocyclic oxidation behavior of… read more here.
Keywords: high temperatures; oxidation; tial alloys; thermocyclic oxidation ... See more keywords
Influence of high-temperature hydrogen charging on microstructure and hot deformability of binary TiAl alloys
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.01.164
Abstract: Abstract The high-temperature hydrogen charging was carried out to reveal the effect of hydrogen on the microstructure and hot deformability of TiAl alloys. The Ti–44Al (at.%) alloy and Ti–48Al alloy were hydrogenated at temperature range… read more here.
Keywords: temperature; hydrogen; high temperature; tial alloys ... See more keywords
In-situ observation of microstructure evolution and phase transformation under continuous cooling in Ru-containing TiAl alloys
Sign Up to like & getrecommendations! Published in 2020 at "Materials Characterization"
DOI: 10.1016/j.matchar.2020.110296
Abstract: Abstract Ruthenium is a promising element to heighten the mechanical properties of TiAl alloys. The microstructure evolution and phase transformation of two Ru-containing TiAl alloys have been in-situ observed by the high-temperature laser-scanning confocal microscopy… read more here.
Keywords: phase; tial alloys; phase transformation; microstructure evolution ... See more keywords
Fabrication of TiAl alloys turbocharger turbine wheel for engines by metal injection molding
Sign Up to like & getrecommendations! Published in 2021 at "Powder Technology"
DOI: 10.1016/j.powtec.2021.01.070
Abstract: Abstract The TiAl turbine wheels possess high acceleration responsiveness and low energy consumption due to its low density, high specific strength and excellent oxidation resistance. However, the mechanical properties of the turbine wheels fabricated by… read more here.
Keywords: turbocharger turbine; tial alloys; mechanical properties; turbine wheels ... See more keywords
Additive Manufacturing of Ti-Based Intermetallic Alloys: A Review and Conceptualization of a Next-Generation Machine
Sign Up to like & getrecommendations! Published in 2021 at "Materials"
DOI: 10.3390/ma14154317
Abstract: TiAl-based intermetallic alloys have come to the fore as the preferred alloys for high-temperature applications. Conventional methods (casting, forging, sheet forming, extrusion, etc.) have been applied to produce TiAl intermetallic alloys. However, the inherent limitations… read more here.
Keywords: temperature; based intermetallic; tial alloys; additive manufacturing ... See more keywords