Results 31 to 40 of about 3,427 (205)

Tuning the microstructure and mechanical properties of TiAl-based alloy through grain boundary engineering

open access: yesJournal of Materials Research and Technology, 2022
In order to modify the room-temperature plasticity of TiAl-based alloy, grain boundary character distribution (GBCD) in TiAl-based alloy was tuned through multidirectional isothermal forging (MDIF) combined with annealing. The experimental results showed
Yaodong Xuanyuan   +4 more
doaj   +1 more source

Multi-Physical Field Coupling Simulation and Experiments with Pulse Electrochemical Machining of Large Size TiAl Intermetallic Blade

open access: yesMetals, 2023
Large size TiAl alloy blade is one of the important parts to reduce the weight of advanced aero-engines. However, the precision manufacturing of such blades is a challenge due to their large size, low ductility at room temperature, and high hardness of ...
Yudi Wang   +4 more
doaj   +1 more source

TEM Study of High-Temperature Precipitation of Delta Phase in Inconel 718 Alloy [PDF]

open access: yes, 2011
Inconel 718 is widely used because of its ability to retain strength at up to 650◦C for long periods of time through coherent metastable γ” Ni3Nb precipitation associated with a smaller volume fraction of γ’ Ni3Al precipitates.
Dehmas, Moukrane   +7 more
core   +1 more source

On high-speed turning of a third-generation gamma titanium aluminide [PDF]

open access: yes, 2012
Gamma titanium aluminides are heat-resistant intermetallic alloys predestined to be employed in components suffering from high mechanical stresses and thermal loads.
Martin Arft   +8 more
core   +1 more source

Interfacial microstructure and shear properties of vacuum brazing TiAl alloy/316L stainless steel joint with Zr-Cu-Ni amorphous filler metal

open access: yesCailiao gongcheng, 2022
Vacuum brazing of TiAl alloy and 316L stainless steel (SS) was conducted using Zr-42.9Cu-21.4Ni amorphous filler metal. The effect of brazing temperature and brazing time on the microstructure and shear properties of the dissimilar metal joints between ...
YANG Yuesen   +5 more
doaj   +1 more source

Influences Of Precursor Constitution And Processing Speed On Microstructure And Wear Behavior During Laser Clad Composite Coatings On Gamma-Tial Intermetallic Alloy [PDF]

open access: yes, 2009
The effects of constitution of precursor mixed powders and scan speed on microstructure and wear properties were designed and investigated during laser clad gamma/Cr7C3/TiC composite coatings on gamma-TiAl intermetallic alloy substrates with NiCr-Cr3C2 ...
于荣莉, 刘秀波, Liu XB
core   +1 more source

Preparation of NiCr/YSZ two-layered burn-resistant coating on γ-TiAl alloys based on plasma surface metallurgy and ion plating methods [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2021
The NiCr/YSZ coating was fabricated on γ-TiAl alloy by double glow plasma surface metallurgy technology and multi-arc ion plating technology. The microstructure, microhardness, bonding strength, and burn resistance of NiCr/YSZ coating were studied in ...
Wei D.-B.   +5 more
doaj   +1 more source

Assessment of the Al–Fe–Ti system [PDF]

open access: yes, 2006
The Al–Fe–Ti system has been assessed and the limiting binary systems are shortly reviewed. Based on a thorough review of the literature, isotherms at 800, 900, and 1000 °C have been re-evaluated and a provisional isotherm at 1200 °C is presented for the
Palm, Martin   +3 more
core   +1 more source

A high-Nb TiAl alloy with highly refined microstructure and excellent mechanical properties fabricated by electromagnetic continuous casting [PDF]

open access: yesChina Foundry, 2016
In the present research, microstructure refinement of a high-Nb TiAl alloy (Ti-48Al-8Nb-0.15B ) was realized by means of the electromagnetic continuous casting (EMCC) technique.
Yong-zhe Wang   +2 more
doaj   +1 more source

A New Method for Preparing Titanium Aluminium Alloy Powder

open access: yesMetals, 2023
Due to TiAl alloys’ excellent properties, TiAl alloys have received widespread attention from researchers. However, the high energy consumption and lengthy process of traditional preparation methods have always limited the large-scale application of TiAl
Jialong Kang   +4 more
doaj   +1 more source

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