Results 41 to 50 of about 435 (151)

Detwinning Mechanism for Nanotwinned Cubic Boron Nitride with Unprecedented Strength: A First-Principles Study

Nanomaterials, 2019
Synthesized nanotwinned cubic boron nitride (nt-cBN) and nanotwinned diamond (nt-diamond) exhibit extremely high hardness and excellent stability, in which nanotwinned structure plays a crucial role.
Bo Yang, Xianghe Peng, Sha Sun, Cheng Huang, Deqiang Yin, Xiang Chen, Tao Fu   +6 more
doaj   +1 more source

Optimization of Grinding Parameters for Minimum Grinding Time When Grinding Tablet Punches by CBN Wheel on CNC Milling Machine

Applied Sciences, 2019
Cutting regime parameters play an important role in determining the efficiency of the grinding process and the quality of the ground parts. In this study, the influences of the cutting parameters, including the cutting depth (ae), the feed rate (Fe) and ...
Ngoc-Pi Vu, Quoc-Tuan Nguyen, Thi-Hong Tran, Hong-Ky Le, Anh-Tuan Nguyen, Anh-Tung Luu, Van-Tung Nguyen, Xuan-Hung Le   +7 more
doaj   +1 more source

Efeitos do fluido de corte no acabamento superficial de peça usinadas por processos convencionais.

Revista Tecnologia, 2009
This work searchs to show the variation of the surface finishing of workpiece machining for conventional manufacturing processes, as turning, with and without cutting fluid, using cubic boron nitride (CBN) and ceramics cutting tools.
Francisco Elicivaldo Lima, André Barbosa Teixeira   +1 more
doaj  

Preparation and microstructure of superhard Al2O3-cubic boron nitride ceramic composites

Open Ceramics
Cubic boron nitride (cBN) is valued for industrial applications such as cutting tools and abrasives due to its excellent thermal and mechanical properties.
Louis Maier, Anne-Kathrin Wolfrum, Björn Matthey, Mathias Herrmann, Sören Höhn, Alexander Michaelis   +5 more
doaj   +1 more source

Regular Articles [PDF]

Materials Research, 2003
This paper presents a review of researches on CBN (cubic boron nitride) grinding wheels with the purpose of identifying the state of art in abrasive machining and serving as the basis for future researches and laboratory tests.
Eduardo Carlos Bianchi, Paulo Roberto de Aguiar, Rodrigo Daun Monici, Luiz Daré Neto, Leonardo Roberto da Silva   +4 more
doaj  

Investigation of the machining process of spheroidal cast iron using cubic boron nitride (CBN) tools

Metalurgija, 2014
This paper presents the experimental results of the turning of spheroidal iron (EN-GJS-500-7 grade) using L-CBN tools. The cutting process can be classified as a High Performance Cutting (HPC) due to a relatively high material removal rate of about 190 cm3/min.
W. Grzesik, P. Kiszka, D. Kowalczyk, K. Żak, J. Rech   +4 more
openaire   +3 more sources

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

Jin'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, Peihang DONG, Yanguo LI, Zhenxiong YUAN, Di WU, Yongan LUO   +5 more
doaj   +1 more source

Evaluation of Process Performance for Sustainable Hard Machining

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2012
This paper aims to evaluate the sustainability performance of machining operation of through-hardening steel, AISI 52100, taking into account the impact of the material removal process in its various aspects.
Giovanna ROTELLA, Domenico UMBRELLO, Oscar W. DILLON Jr., I.S. JAWAHIR   +3 more
doaj   +1 more source

Development of cubic boron nitride (cBN) coating process for cutting tools

, 2020
Talaşlı imalat işleminde bugün gelinen noktada daha uzun ömürlü ve dahayüksek hızlarda kesim yapabilen kesici takımlara ihtiyaç vardır. Kesicitakımların performanslarının artırılması için yaygın olarak farklı kaplamalarkullanılmaktadır. Kübik bor nitrür (cBN) malzemesi de sahip olduğu üstünözelliklerinden dolayı kesici takımların kaplanmasında son ...
openaire   +1 more source

Melting temperature of diamond and cubic boron nitride at 15 gigapascals

Physical Review Research, 2019
The melting temperature of diamond has not yet been experimentally measured under static pressure and these data for cubic boron nitride (cBN) are scarce.
Akun Liang, Yinjuan Liu, Lanting Shi, Li Lei, Feng Zhang, Qiwei Hu, Duanwei He   +6 more
doaj   +1 more source