Nanostructured Ti Consolidated via Spark Plasma Sintering

Ertörer, Osman; Topping, Troy D.; Li, Ying; Moss, Wes; Lavernia, Enrique J.

doi:10.1007/s11661-010-0499-5

Cited by 44 publications

(24 citation statements)

References 76 publications

(137 reference statements)

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“…Each particle is repeatedly severely plastically deformed during the process causing an increase of dislocation density and a grain refinement. Ultra-fine grained (UFG) materials exhibit superior properties [14] and can be achieved by high-energy mechanical milling followed by appropriate compaction method [12,15,16].…”

Section: Introductionmentioning

confidence: 99%

Cryogenic Milling of Titanium Powder

Kozlík

Stráský

Harcuba

et al. 2018

Metals

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Ti Grade 2 was prepared by cryogenic attritor milling in liquid nitrogen and liquid argon. Two types of milling balls were used-stainless steel balls and heavy tungsten carbide balls. The effect of processing parameters on particle size and morphology, contamination of powder and its microhardness was investigated. Milling in liquid nitrogen was not feasible due to excessive contamination by nitrogen. Minor reduction of particle size and significant alterations in particle morphology depended on type of milling balls and application of stearic acid as processing control agent. Heavily deformed ultra-fine grained (UFG) internal microstructure of powder particles was observed by the method of "transmission Kikuchi diffraction".

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Section: Introductionmentioning

confidence: 99%

Cryogenic Milling of Titanium Powder

Kozlík

Stráský

Harcuba

et al. 2018

Metals

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“…4 [21]. Moreover, studies have revealed that the incremental changes in SPS dwell time does not increase the densification of nanostructured grade 2 Ti [39] as seen in Fig. 4.…”

Section: Sps Timementioning

confidence: 87%

“…As a result, further sintering did not increase the densification. The low difference between 3 and 5 min may also be another reason for remaining the relative density stable at this region [39].…”

Section: Sps Timementioning

confidence: 97%

The densification behavior of metals and alloys during spark plasma sintering: A mini-review

Sovizi

Seraji

2019

Sci Sintering

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As of today, metals and alloys are widely utilized as structural, mechanical, electrical, and magnetic materials in every aspect of technology and industry. The complexity and diversity of metals applications emphasize the need for a new production method to quickly and easily manufacture metallic components. Spark plasma sintering as a new solidstate sintering method has been recently developed to respond to these needs. Up to now, numerous papers and researches have been published in the field of spark plasma sintering and its ability to manufacture metallic samples. Density is a significant property that has a great influence on the physical, mechanical, and functional properties of metallic parts. To the best of our knowledge, there is no concrete paper that reviews the densification behavior of metals and alloys during spark plasma sintering and the effect of its parameters on the density of metallic samples. As a result, this article dedicated to addressing this need. In this mini-review, after a short description of spark plasma sintering method, the effects of each sintering parameters on densification behavior of metals and alloys are studied, and possible physical and microstructural factors which have the effect of densification behavior of metallic samples at various sintering conditions are reviewed. Finally, the recent advances in finite element modeling, which study the temperature and stress inhomogeneity in the SPS process, have been reviewed in this paper.

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“…Current research focuses mainly on bulk UFG materials produced by methods of severe plastic deformation (SPD), such as equal channel angular pressing [2] or high pressure torsion [3]. Nevertheless, UFG material can be also achieved by high-energy mechanical milling followed by appropriate compaction method [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Characterization of Commercially Pure Ti Powders Prepared by Cryogenic Milling

et al. 2018

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Commercially pure Ti Grade 2 was prepared by cryogenic attritor milling in liquid argon under different processing conditions. Two types of milling balls: stainless steel milling balls and tungsten carbide balls were employed. The effect of processing parameters on particle size and morphology, contamination, and powder microhardness was investigated. The powder particles changed their shape from spherical to a disc/plate during milling. Reduction of particle size was only moderate, depended on time of milling and was enhanced by using tungsten carbide balls. Milling procedure increases concentration of oxygen and nitrogen, which is critical in case of titanium. Milling in liquid nitrogen is not feasible and processing conditions of milling in liquid argon must be carefully selected.

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Nanostructured Ti Consolidated via Spark Plasma Sintering

Cited by 44 publications

References 76 publications

Cryogenic Milling of Titanium Powder

Cryogenic Milling of Titanium Powder

The densification behavior of metals and alloys during spark plasma sintering: A mini-review

Characterization of Commercially Pure Ti Powders Prepared by Cryogenic Milling

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