Cost-affordable titanium: The component fabrication perspective

Froes, F. H.; Gungor, M. N.; Imam, M. Ashraf

doi:10.1007/s11837-007-0074-8

Cited by 136 publications

(70 citation statements)

References 4 publications

(4 reference statements)

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“…An average increase of 15-22% in hardness was obtained by the laser surface melted alloy, with the hardness of the substrate being 358 HV 0. 3 Brandl et al [28] investigated the microstructure, morphology and hardness of Ti6Al4V blocks manufactured by wire-feed additive layer manufacturing (ALM). When components are built up layer by layer, it is referred to as direct manufacturing, rapid manufacturing or additive layer manufacturing.…”

Section: Direct Laser Metal Depositionmentioning

confidence: 99%

“…However, the use of these materials is compromised due to high fabrication costs which are attributed to difficulty in the machining and loss of material during processing [2]. Estimate by research states that up to 50% of titanium cost are attributed to machining operations [3]. Fortunately, titanium is among the few privileged metallic materials that are fabricated by means of additive manufacturing which has the ability to fabricate high-quality parts with very little or no postmachining [4].…”

Section: Introductionmentioning

confidence: 99%

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Influence of Rapid Solidification on the Thermophysical and Fatigue Properties of Laser Additive Manufactured Ti-6Al-4V Alloy

Fatoba¹,

Akinlabi²,

Makhatha³

2017

Aluminium Alloys - Recent Trends in Processing, Characterization, Mechanical Behavior and Applications

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Modern industrial applications require materials with special surface properties such as high hardness, wear and corrosion resistance. The performance of material surface under wear and corrosion environments cannot be fulfilled by the conventional surface modifications and coatings. Therefore, different industrial sectors need an alternative technique for enhanced surface properties. The purpose of this is to change or enhance inherent properties of the materials to create new products or improve on existing ones. The most effective and economical engineering solution to prevent or minimize such surface region of a component is done by fiber lasers. Additive manufacturing (AM) is a breaking edge fabrication technique with the possibility of changing the perception of design and manufacturing as a whole. It is well suitable for the building and repairing applications in the aerospace industry which usually requires high level of accuracy and customization of parts which usually employ materials known to pose difficulties in fabrication such as titanium alloys. The current development focus of AM is to produce complex shaped functional metallic components, including metals, alloys and metal matrix composites (MMCs), to meet demanding requirements from aerospace, defense, and automotive industries.

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Section: Direct Laser Metal Depositionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of Rapid Solidification on the Thermophysical and Fatigue Properties of Laser Additive Manufactured Ti-6Al-4V Alloy

Fatoba¹,

Akinlabi²,

Makhatha³

2017

Aluminium Alloys - Recent Trends in Processing, Characterization, Mechanical Behavior and Applications

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show abstract

“…For a sustainable and affordable titanium industry, process evolution has become necessary, which may come from two directions: 32 (1) resource and process sustainable extraction of titanium and (2) advanced manufacturing of titanium alloys and their final products. This paper provides an overview of one of the promising extractive electrometallurgy techniques, i.e., the Fray-Farthing-Chen (FFC) Cambridge process, focusing on the aspects related to a sustainable titanium industry.…”

Section: Introductionmentioning

confidence: 99%

Development of the Fray-Farthing-Chen Cambridge Process: Towards the Sustainable Production of Titanium and Its Alloys

Dolganov

et al. 2017

JOM

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“…Despite numerous advancements in the Kroll process, such as producing clean Ti metal with higher than 3N purity and large-scale bulk materials (>1 ton/batch), it still requires multiple phase transitions (oxide → halide → metal), Cl 2 gas needed for preparing TiCl 4 , long operation times, and a particularly costly raw material in Ti [12][13]. In addition, Ti sponge is used as a raw material in atomization processes for producing Ti powders, which involves re-melting and applying high pressure gas jets to a Ti melt.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of a Spherical Titanium Powder by Combined Combustion Synthesis and DC Plasma Treatment

Choi

Ali

Hyun

et al. 2017

Archives of Metallurgy and Materials

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Combustion synthesis is capable of producing many types of refractory and ceramic materials, as well as metals, with a relatively lower cost and shorter time frame than other solid state synthetic techniques. TiO 2 with Mg as reductant were dry mixed and hand compacted into a 60 mm diameter mold and then combusted under an Ar atmosphere. Depending on the reaction parameters (Mg concentration 2 ≤ α ≤ 4), the thermocouples registered temperatures between 1160°C and 1710°C . 3 mol of Mg gave the optimum results with combustion temperature (T c ) and combustion velocity (U c ) values of 1372°C and 0.26 cm/s respectively. Furthermore, this ratio also had the lowest oxygen concentration in this study (0.8 wt%). After combustion, DC plasma treatment was carried out to spheroidize the Ti powder for use in 3D printing. The characterization of the final product was performed using X-ray diffraction, scanning electron microscopy, energy dispersive spectroscopy, and N/O analysis.

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Cost-affordable titanium: The component fabrication perspective

Cited by 136 publications

References 4 publications

Influence of Rapid Solidification on the Thermophysical and Fatigue Properties of Laser Additive Manufactured Ti-6Al-4V Alloy

Influence of Rapid Solidification on the Thermophysical and Fatigue Properties of Laser Additive Manufactured Ti-6Al-4V Alloy

Development of the Fray-Farthing-Chen Cambridge Process: Towards the Sustainable Production of Titanium and Its Alloys

Fabrication of a Spherical Titanium Powder by Combined Combustion Synthesis and DC Plasma Treatment

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