Results 21 to 30 of about 5,593 (276)

Microstructure and mechanical properties of large size as-cast Ti-43Al-9V-0.2Y (at.%) alloy ingot from brim to centre [PDF]

, 2011
A Ti-43Al-9V-0.2Y (at.%) alloy ingot with the size of Ф160×400mm was prepared by vacuum arc remelting (VAR). The microstructure of the as-cast Ti-43Al-9V-0.2Y alloy was composed of B2/α₂/γ lamellar colonies and massive B2 and γ phases which were ...
Chen, Yuyong, Kong, Fantao, Xu, Xingchen, Zhang, Deliang   +3 more
core   +2 more sources

Making iron aluminides out of scrap

Journal of Materials Research and Technology, 2014
The abundance of iron and aluminum raw materials is often quoted as a strategic advantage of iron aluminides against other competing materials (not only stainless steels, but also nickel and titanium aluminides).
Doris Feijó Leão Borges, Denise Crocce Romano Espinosa, Cláudio Geraldo Schön   +2 more
doaj   +1 more source

DIAMOND BURNISHING OF PARTS MADE OF NON-COMPACT BASED ALLOYS TITANIUM ALUMINIDE

Авіаційно-космічна техніка та технологія, 2020
Parameter research results of the residual porosity of the surface layer of samples of the alloy Ti - 45Al-3Nb - Y2O3 (OX45 - 3ODS) based on titanium aluminides obtained by selective laser sintering from the effect on the parameters of the residual ...
Євген Валерійович Вишнепольський, Дмитро Вікторович Павленко   +1 more
doaj   +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

A Review of Milling of Gamma Titanium Aluminides

U.Porto Journal of Engineering, 2017
Intermetallic titanium aluminide alloys are used in the high technology engineering field with the goal of achieving weight reduction in different components, exposed to corrosive environments and high temperatures in aeronautical and automotive ...
S. Castellanos, J. Lino Alves
doaj   +1 more source

Microstructure Design and Its Effect on Mechanical Properties in Gamma Titanium Aluminides

Metals, 2021
Intermetallic gamma titanium aluminides display attractive engineering properties at high temperatures of up to 750 °C. To date, they have been used in low-pressure turbine blades and turbocharger rotors in advanced aircraft and automotive engines.
Xuqi Liu, Qia Lin, Wenjing Zhang, Constance Van Horne, Limei Cha   +4 more
doaj   +1 more source

Resource-efficient fracture-mechanical characterization of short cracks in additively manufactured titanium aluminides

Journal of Alloys and Metallurgical Systems
Titanium aluminides are gaining attention in the aerospace and automotive sectors due to their high-temperature resistance, low density, and favorable mechanical properties.
Niklas Kloos, Mirko Teschke, Selim Mrzljak, Alexander Koch, Frank Walther   +4 more
doaj   +1 more source

Devising Strain Hardening Models Using Kocks–Mecking Plots—A Comparison of Model Development for Titanium Aluminides and Case Hardening Steel

Metals, 2016
The present study focuses on the development of strain hardening models taking into account the peculiarities of titanium aluminides. In comparison to steels, whose behavior has been studied extensively in the past, titanium aluminides possess a much ...
Markus Bambach, Irina Sizova, Sebastian Bolz, Sabine Weiß   +3 more
doaj   +1 more source

Effects of tailoring microstructure on short-term creep behavior of high Nb containing TiAl alloys under various stress levels

Journal of Materials Research and Technology, 2023
In this work, the short-term creep behaviors of high Nb containing TiAl alloys with different microstructure characteristics at 800 °C under a wide range of stresses of 150–350 MPa were investigated in detail. In order to tailor microstructure of high Nb
Zhenquan Liang, Shulong Xiao, Yi Shao, Dazhao Chi, Xinyi Li, Yunfei Zheng, Lijuan Xu, Xiang Xue, Jing Tian, Yuyong Chen   +9 more
doaj   +1 more source

Investigating Fracture Behavior in Titanium Aluminides: Surface Roughness as an Indicator of Fracture Mechanisms in Ti-48Al-2Cr-2Nb Alloys

Metals
Titanium aluminides, particularly the Ti-48Al-2Cr-2Nb alloy, have drawn significant attention for their potential in high-temperature aerospace and automotive applications due to their exceptional performances and reduced density compared to nickel-based
Alessia Serena Perna, Lorenzo Savio, Michele Coppola, Fabio Scherillo   +3 more
doaj   +1 more source