"processing titanium aluminide"

Gamma Titanium Aluminides for Aerospace Applications ...

2019-9-4 · Gamma Titanium Aluminides for Aerospace Applications-Processing, Properties and Anodic Dissolution Kajal yadav Abstract – Titanium aluminide investigated using anodic dissolution behavior in NaCL and NaNo3 and in aqueous potassium bromide electrolytes with their various ph values .

Enhanced processing of orthorhombic titanium aluminide ...

1998-1-1 · Objective . A particular orthorhombic titanium aluminide-based alloy was found to have a better balance of mechanical, physical and environmental properties than two other candidate alloys, and was selected for scaled-up processing studies The fundamental relationships between phase equilibria, microstructural development and mechanical properties have been established.

Study on Processing of Titanium Aluminide Alloy Using ...

Currently there is a continuous extension of application areas of titanium aluminides but their processing encounters a number of difficulties such as the precision of machining and modifying the properties of the surface layer. In the specialist literature [1, 2, 4, 7] different authors address the processing of these materials by conventional methods.

Titanium Aluminide

Titanium aluminide alloys have the lowest densities among the three common aluminide systems and thus offer the best specific properties. The phase diagram in Figure 4 shows that Ti 3 Al and TiAl have similar ranges of stoichiometry. TiAl forms the tetragonal L1 0 structure (Figure 1(b)), while Ti 3 Al forms the hexagonal D0 19 structure (Figure 1(e)).Both Ti 3 Al- and TiAl-based alloys have ...

Microstructure Control Titanium Aluminide …

ISIJ International, Vol. 31 (1991), No. 8, pp. 915-921 Microstructure by Control of Thermochemical Titanium Processing Aluminide PowderCompacts Leslie S. APGARand Daniel EYLON Graduate Materials Engineering KL-407. University of Dayton. 300 College Park. (Received on February /. 1991.• accepted on March22. l99l) Dayton. OH45469-0240,U.S.A. Powdermetallurgy of ordered alloys is not …

CiteSeerX — Processing of Intermetallic Titanium …

BibTeX @MISC{Marr13processingof, author = {Tom Marr and Jens Freudenberger and Er Kauffmann and Jan Romberg and Ilya Okulov and Romy Petters and Juliane Scharnweber and Andy Eschke and Carl-georg Oertel and Uta Kühn and Jürgen Eckert and Werner Skrotzki and Ludwig Schultz}, title = {Processing of Intermetallic Titanium Aluminide Wires}, year = {2013}}

Fabrication of Titanium Aluminide Matrix Composites by ...

2015-6-22 · titanium aluminide matrix composites by LENS processing using TiC and gas-atomized Ti-48Al-2Cr-2Nb powders as the feedstock materials. Two types of applications are expected for the LENS processing of ceramic particle reinforced titanium aluminide matrix composites. One

Processing titanium aluminide foils

In an effort to extend the available manufacturing technologies for Ti 3 Albase aluminides, the potential success of a new hot-rolling process for the production of high-quality foils has been investigated. Processing of Super-α 2 aluminide foils approximately 0.15 mm thick takes full advantage of the combined benefits of controlled rolling and a unique pack rolling process.

Recycling of Titanium-Aluminide Scrap

2018-4-14 · closed loop recycling process for titanium-aluminide scrap, which is presently downgraded as a deoxidation agent in steel production. The IME process is an innovative combination of industrially approved proces-ses like Vacuum Induction Melting (VIM) with Metallo-thermic Desoxidation, Pressure Electro Slag Remelting

(PDF) Powder metallurgy processing of gamma titanium …

As gamma titanium aluminide alloys transition from research and development into production, processing issues become increasingly important. Gas atomization of …

Machining Titanium Aluminide at AeroEdge | Modern …

2018-1-12 · Titanium aluminide is stronger and lighter than titanium, but with a grain structure that makes it brittle and difficult to machine. Fitting the Equipment to the Application AeroEdge receives pre-certified TiAl forgings for single turbine blades …

Processing, Microstructure and Mechanical Properties of …

2019-12-2 · gamma titanium aluminide powder production, processing and characterization. Alloys such as Ti-48Al-2Nb-2Cr, Gamma Met (Ti-46.5Al-4(Nb,Ta,Cr,B), and 395MM (Ti-46Al-4(Nb,Mo,Cr, B,C) have been produced in quantities exceeding 500 kg. Microstructure and processing of consolidated material will be discussed.

Freeform Fabrication of Titanium Aluminide via Electron ...

2019-8-1 · Titanium aluminide (TiAl) is an intermetallic compound possessing excellent high-temperature performance while having signif-icantly lower density than nickel-based superalloys. This paper presents preliminary results of experiments aimed at processing TiAl via the electron beam melting (EBM) process. Two processing routes are explored.

Twin-wire plasma arc additive manufacturing of the …

2021-7-4 · Twin-wire plasma arc additive manufacturing of the Ti–45Al titanium aluminide: Processing, microstructures and mechanical properties Intermetallics ( IF 3.758) Pub Date : 2021-07-03, DOI: 10.1016/j termet.2021.107277

PROCESSING, PROPERTIES AND APPLICATIONS OF …

PROCESSING, PROPERTIES AND APPLICATIONS OF GAMMA TITANIUM ALUMINIDE SHEET AND FOIL MATERIALS H. CLEMENS*, W. GLATZ**, N. EBERHARDT**, H.-P. MARTINZ*, and W. KNABL* *Plansee Aktiengesellschaft, Technology Center, A-6600 Reutte, Austria **Institut ffir Metalikunde und Werkstoffpruifung, Montanuniversitait, A-8700 Leoben, Austria ABSTRACT

Processing titanium aluminide foils | SpringerLink

Processing of Super-α 2 aluminide foils approximately 0.15 mm thick takes full advantage of the combined benefits of controlled rolling and a unique pack rolling process. Based on the results of a study of phase transformation kinetics, microstructure and hardness of continuously-cooled and isothermally transformed specimens, the processing ...

Thermomechanical Processing and Crystallographic …

Super Alpha-2 titanium aluminide is a member of the Ti-Al family of intermetallic alloys. In this thesis submitted to the University of Notre Dame by R.G. Rateick, Jr., PE,, a thermomechanical processing (heat treating and wrought processing) plan was implemented to convert billet into upset pancakes. Metallography, tensile testing, fractography (SEM), x-ray diffraction, x-ray pole figure ...

Making Lighter Aircraft Engines with Titanium Aluminide …

2021-5-11 · achieve a practical titanium aluminide casting process. The high melting point of titanium aluminide (over 1 500°C) also makes precision casting difficult. Metallic materials are melted in a vacuum in order to avoid reactions with oxygen. For this reason, if melting takes too long, there is a risk of the aluminum evaporating, which would

(PDF) Processing of Intermetallic Titanium Aluminide Wires

This study shows the possibility of processing titanium aluminide wires by cold deformation and annealing. An accumulative swaging and bundling technique is used to co-deform Ti and Al.

Weldability of a Titanium Aluminide

2013-2-11 · vanced processing techniques have been utilized to generate alpha-two titanium aluminide alloys that offer improved duc­ tilities while largely retaining the attractive properties of the binary compound (Refs. 3, 4). Ti-13.5Al-21.5Nb (designated here­ after as Ti-14AI-21Nb) represents a first-generation alpha-two titanium aluminide

Gas Turbine Engine Implementation of Gamma Titanium …

2012-3-5 · Gamma titanium aluminide, TiAl, is the base for an emerging class of low-cost, low-density alloys with unique properties. Clast processing [l] is being used for production of initial components. The progress of this effort has been reported previously [2, 311; a

Recent Advances in Development and Processing of Titanium ...

Titanium Aluminide - an overview | ScienceDirect Topics

Microstructural analysis of titanium aluminide formed in ...

Titanium aluminide formed in an aluminium matrix composite in situ by hot pressing of titanium and aluminium powders mixture and then annealing was characterized using SEM and TEM methods. It was shown that the original titanium powder was transformed into the intermetallics during the solid state process. Two mechanisms of titanium

Processing of Intermetallic Titanium Aluminide Wires

This study shows the possibility of processing titanium aluminide wires by cold deformation and annealing. An accumulative swaging and bundling technique is used to co-deform Ti and Al. Subsequently, a two step heat treatment is applied to form the desired intermetallics, which strongly depends on the ratio of Ti and Al in the final composite ...

Titanium and Titanium-Aluminide Alloys | Thermo-Calc …

Titanium alloy properties also strongly depend on thermo-mechanical processing around the beta transus temperature, which is also sensitive to chemistry. Experiments and handbook data cannot take into account all possible variations in chemistry and processing conditions.

γ-PAM: Casting of Near Net Shape Titanium Aluminide …

2018-4-14 · Titanium Aluminide Alloy Ingots Presenter: Christopher Jackson – Retech Systems LLC, Ukiah, CA USA. Authors: Rob Haun – Retech Systems LLC, Ukiah, CA USA. Patrick Voigt – Titanium Solutions, Bremen, Germany. ... – Bring γ-TiAl processing technology to market faster.

Processing and mechanical behavior of laminated titanium ...

2005-10-15 · In particular, titanium–titanium tri-aluminide (Ti–Al 3 Ti) or nickel–tri-nickel aluminide (Ni–Ni 3 Al) metal–intermetallic laminate (MIL) composite systems have a great potential for aerospace, automotive and other structural applications because of their combination of high strength, toughness and stiffness at a lower density than monolithic titanium or other laminate systems, .

Freeform Fabrication of Titanium Aluminide via Electron ...

2008-1-31 · Titanium aluminide (TiAl) is an intermetallic compound possessing excellent high-temperature performance while having significantly lower density than nickel-based superalloys. This paper presents preliminary results of experiments aimed at processing TiAl via the electron beam melting (EBM) process. Two processing routes are explored. The first uses prealloyed powder, whereas the …

Microstructure/processing relationships in reaction ...

Near- γ TiAl- and Al 3 Ti-based intermetallic matrix composites have been produced using in-situ reaction-synthesis techniques. The intermetallic matrices have been reinforced with relatively high loadings ( e.g., 20 to 50 vol pct) of dispersed TiB 2 particulates. It is shown that the as-synthesized TiB 2 size is strongly dependent on the specific alloy formulation; specifically, the TiB

Chapter Laser Based Additive Manufacturing Technology …

2021-1-25 · ing processing of titanium aluminide is laser engineered net shaping (LENS). It is used to produce components from powders by melting and forming on a substrate based on a computer-aided design (CAD) to shape the components. This contribu-tion will focus on the laser processing of titanium aluminides components for aerospace applications.

Processing and Microstructure Development of Titanium ...

2004-12-20 · Processing and Microstructure Development of Titanium Carbide–Nickel Aluminide Composites Prepared by Melt Infiltration/Sintering (MIS) Kevin P. Plucknett, Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831. …

Recent Advances in Development and Processing of …

Recent Advances in Development and Processing of Titanium Aluminide Alloys - Volume 646. Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you with a better experience on our websites.

Fundamentals of Gamma Titanium Aluminides :: Total …

Much of the recent research and development on the thermo mechanical processing of the gamma titanium aluminide alloys has dealt with materials containing a small amount of the alpha-two (or beta) phase in addition to the gamma phase. The incorporation of the second phase in these near-gamma alloys, coupled with working in the two- phase (alpha ...

Developments in Processing Technology of Gamma …

Possible pathways to mill production of gamma titanium aluminide based alloys are presented with the author''s recent results on processing of the allo …

Development of Titanium Aluminide Valve

2017-5-6 · Development of Titanium Aluminide Valve ABSTRACT Titanium aluminide intermetallic compound has a high specific stiffness close to 40 GPa/g·cm3, the maximum allowed under the regulations. The material also has high temperature strength and its use in the cylinder head valves of Formula One engines has contributed to achieving higher engine speed.