Titanium alloy production technology, market prospects and industry development

Cui, Chunxiang; Bao-min, HU; Zhao, Lichen; Liu, Shuangjin

doi:10.1016/j.matdes.2010.09.011

Cited by 690 publications

(238 citation statements)

References 16 publications

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“…Titanium alloy with low density, high specific strength, corrosion resistance and good process performance is the ideal structural material, especially for the aerospace engineering [1][2][3] . However, titanium alloys have often been classified into difficult-to-machine materials because of low thermal conductivity.…”

Section: Introductionmentioning

confidence: 99%

Analysis of surface roughness and hardness in titanium alloy machining with polycrystalline diamond tool under different lubricating modes

Revankar¹,

Shetty

Rao

et al. 2014

Mat. Res.

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The present work deals with the investigation on machining of difficult-to-machine material titanium alloy (Ti-6Al-4V) using poly crystalline diamond (PCD) tool under different coolant strategies, namely dry, flooded and MQL. Taguchi technique has been employed and the optimization results indicated that MQL lubricating mode with cutting speed of 150 m/min, feed rate of 0.15 mm/rev, nose radius of 0.6 mm and 0.25 mm depth of cut is necessary to minimize surface roughness and dry mode with cutting speed of 150 m/min, feed rate of 0.15 mm/rev, nose radius of 0.6 mm and 0.75 mm depth of cut is necessary to maximize surface hardness. The results indicate the substantial benefit of the minimum quantity of lubrication (MQL) and justify PCD inserts to be the most functionally satisfactory commercially available cutting tool material for machining titanium alloys for better surface finish and hardness.

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Section: Introductionmentioning

confidence: 99%

Analysis of surface roughness and hardness in titanium alloy machining with polycrystalline diamond tool under different lubricating modes

Revankar¹,

Shetty

Rao

et al. 2014

Mat. Res.

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“…The powder materials under study were obtained in two stages: (1). Synthesis of the powder base from the reaction mixture by a layerwise combustion mode in an argon atmosphere, followed by milling of the synthesized material and sieving of the necessary fraction.…”

Section: Materials and Experimental Proceduresmentioning

confidence: 99%

“…Titanium-based materials possess many unique properties that enable them to be used in a wide range of applications in various industries [1][2][3][4][5][6]. Titanium-containing materials are in demand both as casting alloys and as powder composites.…”

Section: Introductionmentioning

confidence: 99%

“…Composites based on titanium carbide occupy a special place among the known groups of titanium materials. The high melting point, high strength, high thermal conductivity, stability in aggressive media and low abrasion make titanium carbide indispensable in a many areas of human activity [1][2][3][4][5][6]. Titanium carbide is remarkable in that, according to the equilibrium state diagram, it has a wide homogeneity region in the titanium-carbon system [7].…”

Section: Introductionmentioning

confidence: 99%

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Sintering Behavior and Microstructure of TiC-Me Composite Powder Prepared by SHS

Коростелева

Коржова

Krinitcyn

2017

Metals

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Titanium, its alloys, and refractory compounds are often used in the compositions of surfacing materials. In particular, under the conditions of electron-beam surfacing the use of synthesized composite powder based on titanium carbide with a metal binder (TiC-Me) has a positive effect. These powders have been prepared via the self-propagating high-temperature synthesis (SHS) present in a thermally-inert metal binder. The initial carbide particle distribution changes slightly in the surfacing layer in the high-energy rapid process of electron-beam surfacing. However, these methods also have their limitations. The development of technologies and equipment using low-energy sources is assumed. In this case, the question of the structure formation of composite materials based on titanium carbide remains open, if a low-energy and prolonged impact in additive manufacturing will be used. This work reports the investigation of the sintered powders that were previously synthesized by the layerwise combustion mode of a mixture of titanium, carbon black, and metal binders of various types. The problems of structure formation during vacuum sintering of multi-component powder materials obtained as a result of SHS are considered. The microstructure and dependences of the sintered composites densification on the sintering temperature and the composition of the SH-synthesized powder used are presented. It has been shown that under the conditions of the nonstoichiometric synthesized titanium carbide during subsequently vacuum sintering an additional alloy formation occurs that can lead to a consolidation (shrinkage) or volumetric growth of sintered TiC-Me composite depending on the type of metal matrix used.

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“…Currently, the aerospace industry is the largest consumer of milled Ti product and accounts for approximately 40-50% of global demand; 4,5) a demand in the aerospace industry is expected to steadily increase in the foreseeable future. 6,7) It has been reported that 80-90% of the Ti material used in airframes is Ti-6Al-4V alloy (Ti alloyed with 6% Al and 4% vanadium (V)), 8,9) and as shown in Fig. 1(b), the material yield in the fabrication of aerospace parts is often as low as 10-20%.…”

Section: Introductionmentioning

confidence: 99%

Chlorination-Volatilization Behavior of Titanium Metal Scraps during Recycling Using Reaction-Mediating Molten Salt

2016

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In order to develop an ef cient and environmentally friendly process for recycling both titanium scrap and FeCl x (x = 2, 3) waste, the chlorination-volatilization of titanium metal scraps utilizing a MgCl 2 -SmCl 3 reaction-mediating molten salt was examined. After the thermodynamic analyses on the chlorination behavior of representative elements such as the alloying elements and oxygen, fundamental experiments were carried out at 1100 K by reacting off-grade Ti sponge, Ti-6Al-4V alloy rod, and Ti rod with MgCl 2 -SmCl 3 molten salt. The results indicated that TiCl 4 could be effectively produced and volatilized from off-grade sponge and Ti-6Al-4V alloy. It was also con rmed that Fe and Ni in the Ti scrap remain in the molten salt as metal, whereas the Al and V in Ti alloy are chlorinated by SmCl 3 and their chlorides volatilized. Oxygen introduced into the reaction system was found to form TiOCl in the molten salt, and therefore does not consume the SmCl 3 mediator in the molten salt. These ndings con rm that chlorination using a reaction-mediating molten salt is an effective means of recycling both titanium scrap and FeCl x waste.

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Titanium alloy production technology, market prospects and industry development

Cited by 690 publications

References 16 publications

Analysis of surface roughness and hardness in titanium alloy machining with polycrystalline diamond tool under different lubricating modes

Analysis of surface roughness and hardness in titanium alloy machining with polycrystalline diamond tool under different lubricating modes

Sintering Behavior and Microstructure of TiC-Me Composite Powder Prepared by SHS

Chlorination-Volatilization Behavior of Titanium Metal Scraps during Recycling Using Reaction-Mediating Molten Salt

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