Nanostructured boron nitride–based materials: synthesis and applications

Gonzalez-Ortiz, Danae; Salameh, Chrystelle; Bechelany, Mikhaël; Miele, Philippe

doi:10.1016/j.mtadv.2020.100107

Cited by 57 publications

(36 citation statements)

References 151 publications

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Section: Processing Parametersmentioning

confidence: 99%

“…Despite the fact that the wide range of nanocomposite fabrication methods are available today, BNNS-based polymer nanocomposites are mostly developed in three main approaches: in situ polymerization, melt-extrusion, and solution-blending 90 . In situ polymerization involves synthesis of polymer materials from monomers while solution-blending and melt-extrusion method involve compounding materials with the help of solvent and heat, respectively 90 . Such fabrication processes involve varieties of parameters as such mixing temperature and pressure for meltextrusion, solvent selection (polarity/non-polarity) and removal for solution-blending, reaction pressure, temperature, and chemical reactivity of the constituents for in situ polymerization 90 .…”

Section: Processing Parametersmentioning

confidence: 99%

“…In situ polymerization involves synthesis of polymer materials from monomers while solution-blending and melt-extrusion method involve compounding materials with the help of solvent and heat, respectively 90 . Such fabrication processes involve varieties of parameters as such mixing temperature and pressure for meltextrusion, solvent selection (polarity/non-polarity) and removal for solution-blending, reaction pressure, temperature, and chemical reactivity of the constituents for in situ polymerization 90 . These process conditions/parameters affect defect formation, agglomeration, and dispersion within nanocomposites, thus affecting the final material properties.…”

Section: Processing Parametersmentioning

confidence: 99%

“…11 Development stages of BNNS-based materials commercialization. Different stages of development of BNNS materials and their composites, and estimated timeline for their commercialization 24,25,[39][40][41][42][43]50,90,111,253,254 .…”

Section: Conclusion and Future Outlookmentioning

confidence: 99%

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2D boron nitride nanosheets for polymer composite materials

et al. 2021

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Hexagonal boron nitride nanosheets (BNNSs) are promising two-dimensional materials to boost the mechanical, thermal, electrical, and optical properties of polymer nanocomposites. Yet, BNNS-polymer composites face many challenges to meet the desired properties owing to agglomeration of BNNSs, incompatibility, and weak interactions of BNNSs with the host polymers. This work systematically reviews the fundamental parameters that control the molecular interactions of BNNSs with polymer matrices. The surface modification of BNNSs, as well as size, dispersion, and alignment of these nanosheets have a profound effect on polymer chain dynamics, mass barrier properties, and stress-transfer efficiency of the nanocomposites.

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Section: Processing Parametersmentioning

confidence: 99%

Section: Processing Parametersmentioning

confidence: 99%

Section: Processing Parametersmentioning

confidence: 99%

Section: Conclusion and Future Outlookmentioning

confidence: 99%

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2D boron nitride nanosheets for polymer composite materials

et al. 2021

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“…A fairly large number of electrophysical hardening methods have appeared. These methods include ion-plasma, magnetic-pulse, radiation, laser and plasma cladding, gas discharge plasmas, electrospark, laser, etc [5,6]. At the same time, most of the existing methods have their own application field, i.e.…”

mentioning

confidence: 99%

Investigation of the Structure of Hard Alloys That Have Undergone Bulk Pulsed Laser Hardening Using X-Ray Structural Analysis

2021

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The main principles of volumetric pulsed laser hardening method are presented in the article. The results of experiments based on tensometry with further processing using the LabVIEW system are shown. Obtained results confirm the appearance of the mechanical shock wave in materials due to the action of a single high-energy laser pulse. The received dependences were confirmed for hard alloys with different chemical compositions. Using of X-ray structural analysis allowed to establish that various hard alloys processed by pulsed laser hardening characterized by the third kind (nanostructure) changing the structure due to the accumulation of structural defects (sizes of mosaic blocks, crystal microscopic distortions, density of dislocations). It has been established that the third kind changing the structure increases the main service mechanical properties of hard alloys (microhardness, abrasive wear resistance, flexing strength). In addition, it was found that the change in the hard alloys properties is directly proportional to the change in the nanostructure of materials.

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