Results 21 to 30 of about 1,083 (200)

Finish machining of hardened gears wheels using cubic boron nitride (CBN) inserts

Metalurgija, 2012
The paper presents some results of investigation of finish machining of hardened bearing surfaces of cylindrical gear wheels. Finish machining has been performed with wedges of defined geometry made of CBN. The presented investigation results are related
R. Talar, A. Stoić
doaj   +1 more source

Self-Organization of Redeposited Binder Nanoparticles in Cubic Boron Nitride Materials. [PDF]

Small
The article reveals a novel approach to forming micro‐spherical agglomerates through nanosecond laser irradiation, enabling rapid growth of titanium nanoparticles in air. It explores the self‐organisation of redeposited Ti nanoparticles on cubic boron nitride composites, detailing structural and chemical transformations that pave the way for innovative
Pacella M, Robertson S, Dong J, Badiee A.   +3 more
europepmc   +2 more sources

Direct Growth of Transparent Boron Nitride Neutron Shielding Layer for Space Window. [PDF]

Adv Sci (Weinh)
Direct growth of sp2‐sp3 hybridized BN (HBN) on quartz, enabled by an h‐BN buffer, produces transparent and stable films up to 80 µm thick with high transmittance and strong neutron shielding, making HBN a promising candidate for space windows in long‐term lunar missions.
Kim D, Kim G, Jeong H, Hossain SM, Bhattacharjee S, Kwon MI, Lee Y, Yang C, Ham YS, Kim TS, Moon H, Park I, Lee SC, Kim J, Kim J, Park J.   +15 more
europepmc   +2 more sources

Silicon allotropes by large-volume high-pressure techniques: crystal growth mechanisms, phase diagrams and hexagonal nanostructured Si-6H by in situ X-ray diffraction and computational methods. [PDF]

Acta Crystallogr B Struct Sci Cryst Eng Mater
In situ X‐ray diffraction is used for exploring Si crystallography and for studying phase‐transformation mechanisms in elemental Si and Na–Si systems. We present original results of hexagonal silicon, Si‐6H and a critical analysis of the past‐decade discoveries of silicon Si‐4H and Si24 using large‐volume high‐pressure techniques.Metastable allotropes ...
Courac A, Le Godec Y.
europepmc   +2 more sources

Production of nano- and micropowders of cubic BN from mechanically activated graphite-like BN under high pressures and temperatures using aluminium as a phase convertion initiator

Весці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2022
An effect of mechanical activation of graphite-like (hexagonal) boron nitride (hBN) on catalytic synthesis of nano- and micropowders of cubic boron nitride (cBN) under conditions of high pressures and temperatures is shown in the article.
V. T. Senyut
doaj   +1 more source

Emerging Device Applications From Strong Light-Matter Interactions in 2D Materials. [PDF]

Adv Sci (Weinh)
Two‐dimensional semiconductors enable extremely compact optoelectronic devices such as solar cells, sensors, LEDs, and lasers. Their strong light–matter interactions allow efficient light emission, detection, and energy conversion. This review article discusses the recent progress in integrating these materials with optical cavities and nanostructures ...
Archana K J, Shwetabh K, Ali R, Velayutham R, Das K, Mondal A, Kumar P, Anantharaman SB.   +7 more
europepmc   +2 more sources

An atlas of photonic and plasmonic materials for cathodoluminescence microscopy. [PDF]

Nanophotonics
Abstract Cathodoluminescence (CL) microscopy has emerged as a powerful tool for investigating the optical properties of materials at the nanoscale, offering unique insights into the behavior of photonic and plasmonic materials under electron excitation.
Ebel S, Lebsir Y, Yezekyan T, Mortensen NA, Morozov S.   +4 more
europepmc   +2 more sources

Effects of TiAl Alloy as a Binder on Cubic Boron Nitride Composites. [PDF]

Materials (Basel), 2021
Owing to their extreme hardness, cubic boron nitride (cBN) composites are widely used in cutting applications. The performance of cBN composites is closely related to the characteristics of the binder.
Liu Y, Zhang W, Peng Y, Fan G, Liu B.
europepmc   +2 more sources

Development of a Mathematical Model of the Synthesis of a Polycrystalline Superhard Material Based on Cubic Boron Nitride from Wurzite Boron Nitride Modified with Aluminum

Механика машин, механизмов и материалов, 2022
A mathematical model is developed for the technological process of synthesis under conditions of high pressures P and temperatures T of a polycrystalline superhard material based on cubic boron nitride (cBN).
Vladimir T. Senyut, Alexander M. Parnitsky, Viktor I. Zhornik   +2 more
doaj   +1 more source

Epitaxy of Emerging Materials and Advanced Heterostructures for Microelectronics and Quantum Sciences. [PDF]

Small Methods
Epitaxy is a key enabler of next‐generation nano/microelectronics and solid‐state quantum information systems. Demands on epitaxy of emerging materials including 2D materials and quantum materials are rapidly growing to realize various proposed applications.
Lee Y, Choi SH, Kim H, Yoo J.
europepmc   +2 more sources