Results 41 to 50 of about 4,892 (218)

Determination of natural frequencies and forms of turbine blade oscillations made of an alloy based on titanium aluminide

Авіаційно-космічна техніка та технологія
This paper investigates the possibility of manufacturing the working blade of the 2nd stage of the free turbine from an experimental alloy based on titanium aluminide of the Ti-28Al-7Nb-2Mo-0.3 (Y, Re, B) system.
Olha Halienkova, Olexander Ovchinnikov, Ruslan Shakalo, Roman Prydorozhnyi, Dmytro Kuts   +4 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

Interfacial microstructure and shear strength of Ti-6Al-4V/TiAl laminate composite sheet fabricated by hot packed rolling [PDF]

, 2011
A two layer Ti-6Al-4V(wt%)/Ti-43Al-9V-Y(at%) laminate composite sheet with a uniform interfacial microstructure and no discernible defects at the interfaces has been prepared by hot-pack rolling, and its interfacial microstructure and shear strength were
Chen, Yuyong, Kong, Fantao, Zhang, Deliang   +2 more
core   +2 more sources

Effect of Milling Time on TixAly/Al2O3 Ceramic Matrix Nanocomposite Synthesis Using the Mechanochemical Method

Journal of Advanced Materials in Engineering, 2015
In recent years, much research has been performed in the field of nanomaterials synthesis using mechanochemical process. In this research, TixAly/Al2O3 ceramic matrix nanocomposite was produced by the mechanochemical method.
m.godarzi, A. Saidi
doaj  

Porous γ-TiAl Structures Fabricated by Electron Beam Melting Process

Metals, 2016
Porous metal structures have many benefits over fully dense structures for use in bio-implants. The designs of porous structures can be made more sophisticated by altering their pore volume and strut orientation. Porous structures made from biocompatible
Ashfaq Mohammad, Abdulrahman M. Alahmari, Khaja Moiduddin, Muneer Khan Mohammed, Abdulrahman Alomar, Ravi Kottan Renganayagalu   +5 more
doaj   +1 more source

Effect of Boron Content and Cooling Rate on the Microstructure and Boride Formation of β-Solidifying γ-TiAl TNM Alloy

Metals, 2020
Boron is a unique and popular grain refiner element in cast titanium aluminide (TiAl) alloys, as it helps to improve mechanical properties if properly alloyed.
Daniel Bernal, Xabier Chamorro, Iñaki Hurtado, Iñaki Madariaga   +3 more
doaj   +1 more source

The Formation of Al-Si Aluminide Coatings by Pack Cementation Method on TNM-B1 Intermetallic Alloy

Advances in Mechanical and Materials Engineering, 2023
The TiAl intermetallics are the promising material for aerospace application. According to its insufficient oxidation resistance above 900oC the using of protective coatings is necessary.
Mateusz Woźniak, Marek Góral, Barbara Kościelniak   +2 more
doaj   +1 more source

Optimizing engine performance with piston thermal barrier coatings and Juliflora biodiesel–diesel blends: A response surface methodology approach

Case Studies in Thermal Engineering
The primary objectives of research is the mitigation of emissions and the improvement of energy efficacy in IC engines. In this research, undergoing a plasma spray technique, the pistons is coated with a compound of titanium aluminide and yttria ...
B. Musthafa, R. Venkateshkumar, S.A. Srinivasan, M. Prabhahar   +3 more
doaj   +1 more source

Corrosion Behavior of a Thermally Oxidized Orto-Titanium Aluminide in Synthetic Seawater

International Journal of Electrochemical Science, 2015
Corrosion behavior of the Ti-22Al-25Nb alloy, thermally oxidized at 850 °C for 1 h, 10 h and 20 h, respectively was studied in synthetic seawater. SEM, XRD and Raman analysis confirm the presence of mostly of the rutile niobian compound, Ti0.952Nb0.048O2
M. Marcu, A. Banu, E.M. Anghel, A. Paraschiv   +3 more
doaj   +1 more source

Improving the Tensile Properties of Additively Manufactured β-Containing TiAl Alloys via Microstructure Control Focusing on Cellular Precipitation Reaction

Crystals, 2021
The effect of a two-step heat treatment on the microstructure and high-temperature tensile properties of β-containing Ti-44Al-4Cr (at%) alloys fabricated by electron beam powder bed fusion were examined by focusing on the morphology of α2/γ lamellar ...
Ken Cho, Hirotaka Odo, Keisuke Okamoto, Hiroyuki Y. Yasuda, Hirotoyo Nakashima, Masao Takeyama, Takayoshi Nakano   +6 more
doaj   +1 more source