Formation of nanosized particles encapsulated in boron nitride during low-temperature annealing of mechanochemically treated Fe–BN mixtures

Bokhonov, Boris B.; Корчагин, М. А.; Borisova, Yu. A.

doi:10.1016/j.jallcom.2003.09.138

Cited by 18 publications

(7 citation statements)

References 23 publications

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“…The similar data were obtained for systems Fe-C, 473 Zr-C, 474 Ti-C, 475 TiH 2 -C, 476 Mg-C, 477 Mo-C, 478 Si-C, 479 Al-BN and Mg-BN, 480 Ti-BN 480,481 and Fe-BN. 482 General mechanisms are identical for all systems.…”

Section: Metal-ceramic Nanocompositessupporting

confidence: 80%

Hallmarks of mechanochemistry: from nanoparticles to technology

et al. 2013

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The aim of this review article on recent developments of mechanochemistry (nowadays established as a part of chemistry) is to provide a comprehensive overview of advances achieved in the field of atomistic processes, phase transformations, simple and multicomponent nanosystems and peculiarities of mechanochemical reactions. Industrial aspects with successful penetration into fields like materials engineering, heterogeneous catalysis and extractive metallurgy are also reviewed. The hallmarks of mechanochemistry include influencing reactivity of solids by the presence of solid-state defects, interphases and relaxation phenomena, enabling processes to take place under non-equilibrium conditions, creating a well-crystallized core of nanoparticles with disordered near-surface shell regions and performing simple dry time-convenient one-step syntheses. Underlying these hallmarks are technological consequences like preparing new nanomaterials with the desired properties or producing these materials in a reproducible way with high yield and under simple and easy operating conditions. The last but not least hallmark is enabling work under environmentally friendly and essentially waste-free conditions (822 references).

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Section: Metal-ceramic Nanocompositessupporting

confidence: 80%

Hallmarks of mechanochemistry: from nanoparticles to technology

et al. 2013

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“…Figure 2 shows a typical TEM image of the as-prepared nanoparticles that exhibited a two-layer structure whose morphology is similar to that reported in the literature [30,31]. The inner core exhibits a darker colour than that of the outer nanocage (grey and semitransparent).…”

Section: Resultssupporting

confidence: 73%

Formation of tungsten oxide encapsulated in titanium oxide nanocages by modified plasma arc gas condensation

Su¹,

Lin²,

Lin³

et al. 2007

Nanotechnology

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Non-stoichiometric tungsten oxide (W18O49) nanoparticles encapsulated in titanium oxide (TiO2) nanocages were successfully prepared by a modified plasma arc gas condensation technique. The morphology and structure of these core–shell nanoparticles, as well as the growth mechanism, were investigated using transmission electron microscopy (TEM) and x-ray diffraction (XRD). The results demonstrate that the demands associated with mass production and the choice of materials can be addressed by utilizing this synthesis method.

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“…HEBM powders were used as precursors in the synthesis of core-shell particles, namely, particles encapsulated in a graphite shell [40][41][42] or hexagonal boron nitride, BN, shell [43]. The core-shell structures formed upon annealing of the HEBM powders.…”

Section: Synthesis Of Materials By Annealing Of Hebm Powder Precursorsmentioning

confidence: 99%

Materials Development Using High-Energy Ball Milling: A Review Dedicated to the Memory of M.A. Korchagin

Dudina

Bokhonov

2022

J. Compos. Sci.

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High-energy ball milling (HEBM) of powders is a complex process involving mixing, morphology changes, generation and evolution of defects of the crystalline lattice, and formation of new phases. This review is dedicated to the memory of our colleague, Prof. Michail A. Korchagin (1946–2021), and aims to highlight his works on the synthesis of materials by self-propagating high-temperature synthesis (SHS) and thermal explosion (TE) in HEBM mixtures as important contributions to the development of powder technology. We review results obtained by our group, including those obtained in collaboration with other researchers. We show the applicability of the HEBM mixtures for the synthesis of powder products and the fabrication of bulk materials and coatings. HEBM influences the parameters of synthesis as well as the structure, phase composition, phase distribution (in composites), and grain size of the products. The microstructural features of the products of synthesis conducted using the HEBM precursors are dramatically different from those of the products formed from non-milled mixtures. HEBM powders are also suitable as feedstock materials for depositing coatings by thermal spraying. The emerging applications of HEBM powders and future research directions in this area are discussed.

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Formation of nanosized particles encapsulated in boron nitride during low-temperature annealing of mechanochemically treated Fe–BN mixtures

Cited by 18 publications

References 23 publications

Hallmarks of mechanochemistry: from nanoparticles to technology

Hallmarks of mechanochemistry: from nanoparticles to technology

Formation of tungsten oxide encapsulated in titanium oxide nanocages by modified plasma arc gas condensation

Materials Development Using High-Energy Ball Milling: A Review Dedicated to the Memory of M.A. Korchagin

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