Results 71 to 80 of about 1,165 (208)

Machining Simulation of Recrystallized SiC: Failure Mechanisms, Numerical Influences, Tool Dynamics, and Friction Behavior

open access: yesJournal of the American Ceramic Society, Volume 109, Issue 6, June 2026.
ABSTRACT This paper presents a comprehensive study on the machining simulation of recrystallized silicon carbide (R‐SiC), with a focus on material failure mechanisms, numerical influences, tool kinematics, and frictional behavior. A representative volume of interest was derived from CT data, and a meshing algorithm for CT‐based structures was ...
Simon Unseld   +4 more
wiley   +1 more source

Charge states and distribution of iron ions in polycrystalline cubic boron nitride

open access: yesOptical Materials, 2003
Abstract The local electronic states and distribution of 57 Fe ions in cubic boron nitride (c-BN) polycrystals as a function of technological processing were investigated. The study has been performed on c-BN samples prepared by catalytic synthesis and by direct phase transformation.
Fedotova, J. A.   +3 more
openaire   +2 more sources

Recent Developments in Deep‐Ultraviolet Flat Optics

open access: yesNanophotonics, Volume 15, Issue 10, 27 May 2026.
Deep‐ultraviolet flat optics (DUVFO) is emerging as a key platform for next‐generation photonics, enabling advanced functionalities beyond conventional DUV optics. This review outlines materials, devices, and system advances, highlighting wide‐bandgap platforms, while identifying key challenges in dispersion control, characterization, and wafer‐scale ...
Omar A. M. Abdelraouf   +2 more
wiley   +1 more source

Transparent polycrystalline cubic silicon nitride

open access: yes, 2017
Glasses and single crystals have traditionally been used as optical windows. Recently, there has been a high demand for harder and tougher optical windows that are able to endure severe conditions.
Kurnosov, Alexander   +27 more
core   +1 more source

Effects of the ratio of binder and the ratio of cBN particle size on the microstructure and properties of PcBN composites

open access: yesJin'gangshi yu moliao moju gongcheng
Polycrystalline cubic boron nitride composites were prepared under high-temperature and high-pressure conditions. The effects of bonding agent ratio and cBN particle size on the composition, microstructure, microhardness, and abrasive ratios of the PcBN ...
Qin ZOU   +5 more
doaj   +1 more source

Study on Surface Roughness of Gcr15 Machined by Micro-Texture PCBN Tools

open access: yesMachines, 2018
This paper applies micro textures to the rake face of PCBN (Polycrystalline Cubic Boron Nitride) tools, including three types of micro textures that are microgroove textures vertical to the cutting edge, microgroove textures parallel to the cutting edge,
Chen Pan   +4 more
doaj   +1 more source

Wafer‐Scale Single‐Crystal Boron Nitride: Synthesis and Integration in 2D Electronics

open access: yesAdvanced Materials Interfaces, Volume 13, Issue 9, 5 May 2026.
This Review highlights recent breakthroughs in wafer‐scale hBN synthesis and its integration into next‐generation 2D electronics. We analyze growth kinetics, epitaxial strategies, and stacking‐sequence control while correlating material quality with device performance.
Jaewon Wang, Soon‐Yong Kwon
wiley   +1 more source

Contact stresses on the rake face of cutting tools with PCBN in turning of hardened steel [PDF]

open access: yesЖурнал інженерних наук, 2017
The paper presents the results of experimental study of determination of the geometric parameters of the contact zone of the chips with the rake face of cutting tools, as well as the shrinkage of chips during the final turning of hardened HVG steel by ...
S. A. Klimenko   +5 more
doaj  

Effect of binder content on microstructure and mechanical properties of PcBN composites [PDF]

open access: yesProcessing and Application of Ceramics
In this study, polycrystalline cubic boron nitride (PcBN) composites were successfully prepared under ultrahigh pressure (5.5GPa) and high temperature (1500 °C) by using cBN as precursor and TiC, Ti and Al as binders.
Mo Peicheng   +7 more
doaj   +1 more source

Functionalizing Conductive Diamond: Recent Advance in Fabrication, Modifications, and Applications

open access: yesCarbon Energy, Volume 8, Issue 5, May 2026.
This review highlights recent advancements in the synthesis, modification, and electrochemical applications of conductive diamond, particularly boron‐doped diamond (BDD). It emphasizes progress in fabrication methods, including CVD and HPHT, and explores modifications such as doping, surface terminations, and composite design, enabling significant ...
Ning Linghu, Xin Jiang, Jing Xu
wiley   +1 more source

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