Porous electrically conductive materials produced by Spark Plasma Sintering and hot pressing of nanodiamonds

Ukhina, Arina V.; Dudina, Dina V.; Анисимов, А. Н.; Mali, V. I.; Булина, Н. В.; Батаев, И. А.; Сковородин, И. Н.; Bokhonov, Boris B.

doi:10.1016/j.ceramint.2015.06.055

Cited by 17 publications

(2 citation statements)

References 23 publications

(32 reference statements)

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“…The two carbon sources differ by the particle size, specific surface area, and hardness. The surface area of the nanodiamond powder is 360 m 2 g -1 [22], while that of the carbon black powder is only 23 m 2 g -1 [23]. Nanodiamonds reacted with the alloy producing a TiC–Cu product during milling.…”

Section: Resultsmentioning

confidence: 99%

Interaction of a Ti–Cu Alloy with Carbon: Synthesis of Composites and Model Experiments

et al. 2019

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Titanium carbide (TiC), is the most thermodynamically stable compound in the Ti–C–Cu system, which makes it a suitable reinforcement phase for copper matrix composites. In this work, the interaction of a Ti–Cu alloy with different forms of carbon was investigated to trace the structural evolution leading to the formation of in-situ TiC–Cu composite structures. The reaction mixtures were prepared from Ti25Cu75 alloy ribbons and carbon black or nanodiamonds to test the possibilities of obtaining fine particles of TiC using ball milling and Spark Plasma Sintering (SPS). It was found that the behavior of the reaction mixtures during ball milling depends on the nature of the carbon source. Model experiments were conducted to observe the outcomes of the diffusion processes at the alloy/carbon interface. It was found that titanium atoms diffuse to the alloy/graphite interface and react with carbon forming a titanium carbide layer, but carbon does not diffuse into the alloy. The diffusion experiments as well as the synthesis by ball milling and SPS indicated that the distribution of TiC particles in the composite structures obtained via reactive solid-state processing of Ti25Cu75+C follows the distribution of carbon particles in the reaction mixtures. This justifies the use of carbon sources that have fine particles to prepare the reaction mixtures as well as efficient dispersion of the carbon component in the alloy–carbon mixture when the goal is to synthesize fine particles of TiC in the copper matrix.

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Section: Resultsmentioning

confidence: 99%

Interaction of a Ti–Cu Alloy with Carbon: Synthesis of Composites and Model Experiments

et al. 2019

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“…Plasma and flame synthesis involves reactive species, radicals, and convective thermal energy. Besides the abovementioned methods, other field-assisted synthesis/sintering techniques include spark plasma sintering, [104][105][106][107] flash sintering, [108][109][110] electron beam assisted methods, 111 UV-assisted sintering. [112][113][114] These techniques share the same general ultrafast synthesis principle that uses one or multiple fields as an energy source to drive desired chemical reactions.…”

Section: Introductionmentioning

confidence: 99%

Ultrafast materials synthesis and manufacturing techniques for emerging energy and environmental applications

Zuo

Cheng

et al. 2023

Chem. Soc. Rev.

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Structural Characterization of Carbon‐Based Materials Obtained by Spark Plasma Sintering of Non‐Graphitic Carbon with Nickel and Iron as Catalysts and Space Holders

Ukhina

Bokhonov

Dudina

et al. 2018

Ceramic Transactions Series

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Porous electrically conductive materials produced by Spark Plasma Sintering and hot pressing of nanodiamonds

Cited by 17 publications

References 23 publications

Interaction of a Ti–Cu Alloy with Carbon: Synthesis of Composites and Model Experiments

Interaction of a Ti–Cu Alloy with Carbon: Synthesis of Composites and Model Experiments

Ultrafast materials synthesis and manufacturing techniques for emerging energy and environmental applications

Structural Characterization of Carbon‐Based Materials Obtained by Spark Plasma Sintering of Non‐Graphitic Carbon with Nickel and Iron as Catalysts and Space Holders

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