Results 31 to 40 of about 4,650 (186)

Pore formation mechanism and intermetallic phase transformation in Ti–Al alloy during reactive sintering

Journal of Materials Research and Technology, 2023
The mechanism of pore formation associated with intermetallic reaction is studied in sintered Ti50Al50 alloy with two different heating rates i.e. 1 °C/min and 10 °C/min. The heating rate significantly influences the pore parameters and the intermetallic
Saif Haider Kayani, Min Cui, Rana Tariq Mehmood Ahmed, Young-Hee Cho, Jung-Moo Lee, Nho-Kwang Park, Hafiz Muhammad Salman Ajmal, Kwangjun Euh   +7 more
doaj   +1 more source

Advancement of Plasma Cold-Hearth Melting for Production of Gamma Titanium Aluminide Alloys within Arconic [PDF]

MATEC Web of Conferences, 2020
Utilization of gamma titanium aluminide alloys in aerospace and automotive/industrial applications has placed significant demand on melting sources for products to be used in cast, wrought, and direct-machining applications.
Crist Ernie, Jena Birendra, Jacques Michael, Dahar Matt, Li Don, Sun Fusheng   +5 more
doaj   +1 more source

The sintering densification, microstructure and mechanical properties of Ti–48Al–2Cr–2Nb by a small addition of Sn–Al powder

Journal of Materials Research and Technology, 2021
TiAl alloys are difficult to obtain high density through traditional pressing and sintering process. Sn is a promising liquid-phase sintering addition for TiAl alloys; however, the further studies have elaborated that the liquid phase sintering of Sn is ...
Ce Zhang, Yu Pan, Tailong Hui, Wei Xu, Shuaihua Zhang, Muhammad Arif Mughal, Jiazhen Zhang, Xin Lu   +7 more
doaj   +1 more source

Laser Metal Deposited Ti4822 Hollow Pipe: Experimental and Computational Modelling Study

Advanced Engineering Materials, Volume 28, Issue 3, 4 February 2026.
Laser metal deposition (LMD) of a crack‐free built Ti4822 alloys is challenging. This article reports outstanding characteristics of a hollow pipe that is built with LMD technology when a predicted, nontransformation substrate temperature of 800 °C is used.
Sadiq A. Raji, Monnamme Tlotleng, Samuel Skhosane, Lehlogonolo R. Kanyane, Abimbola P. I. Popoola, Sisa L. Pityana   +5 more
wiley   +1 more source

Spark plasma sintering of TiC with TiAly as sintering aid: Mechanisms and microstructures

Open Ceramics
TiC features an interesting combination of mechanical properties, high-temperature resistance, and lightness, making it an excellent candidate for several applications in harsh environments.
Alessandro Rizzi, María García-Fernández, Miguel Á. Rodríguez, Emanuele De Bona, Rodrigo Moreno, Mattia Biesuz   +5 more
doaj   +1 more source

Robust γ-TiAl Dual Microstructure Concept by Advanced Electron Beam Powder Bed Fusion Technology

Crystals, 2023
The dual microstructure concept for gamma titanium aluminides (γ-TiAl) processed via electron beam–powder bed fusion (PBF-EB) provides a huge potential for more efficient jet turbine engines.
Marcel Reith, Martin Franke, Carolin Körner   +2 more
doaj   +1 more source

Silicon-slurry/aluminide coating [PDF]

, 1983
A low cost coating protects metallic base system substrates from high temperatures, high gas velocity ovidation, thermal fatigue and hot corrosion and is particularly useful fo protecting vanes and blades in aircraft and land based gas turbine engines. A
Deadmore, D. L., Young, S. G.
core   +1 more source

Smart overlay coatings - concept and practice [PDF]

, 2002
Smart overlay coatings are a functionally gradient coating system designed to provide high temperature corrosion protection over a wide range of operating conditions.
Chan, W. Y., Evans, H. E., Nicholls, John R., Simms, Nigel J.   +3 more
core   +1 more source

Efficient detection of deformation‐induced microstructural modifications in polycrystalline micropillars using scanning X‐ray nanodiffraction

Journal of Applied Crystallography, Volume 59, Issue 1, Page 85-92, February 2026.
A rapid scanning X‐ray nanodiffraction method is demonstrated to efficiently assess local microstructural changes in polycrystalline micropillars during deformation, enabling real‐time insights.Microstructural characterization of polycrystalline micropillars remains a significant challenge, particularly under time constraints such as those encountered ...
Anton Davydok, Kritika Singh, Surya Snata Rout, Christina Krywka   +3 more
wiley   +1 more source

Tailoring the Microstructure of Laser-Additive-Manufactured Titanium Aluminide Alloys via In Situ Alloying and Parameter Variation

Metals, 2023
Titanium aluminide (TiAl) alloys have emerged as promising materials for high-temperature applications due to their unique combination of high-temperature strength, low density, and excellent oxidation resistance.
Igor Polozov, Victoria Sokolova, Anna Gracheva, Anatoly Popovich   +3 more
doaj   +1 more source