Results 221 to 230 of about 67,886 (283)

CBN

2014
?????????????????????? ?????????????? ?????????????????? ?????????????????????????????????????? ???????????????????? ???? ???????????? ?????????????????????? ?????????????? ???????? (??????N) ?????????????????????? ?????????????????? ?????? ?????????????? ???????????????? ???????????????? cBN (cubic BN) ?? AL ?? ?????????????????????? ?????????????? ???
openaire   +3 more sources

An investigation on the dressing contact behavior between vitrified bonded CBN abrasive wheel and diamond grit dresser

, 2020
In order to better understand the dressing behavior, an investigation was carried out to detect the contact zone between vitrified bonded cubic boron nitride (V-CBN) abrasive wheel and diamond grit dresser.
Min Li, W. Ding, Zhengcai Zhao, Chenwei Dai, Jiu-hua Xu   +4 more
semanticscholar   +1 more source

Verschleißmodellierung von cBN-Schleifscheiben/Wear modeling of cBN grinding wheels

wt Werkstattstechnik online, 2022
Ein großer Teil der beim Schleifen erzeugten Energie wird in Wärme umgewandelt. Da nicht die gesamte Wärme durch den Kühlschmierstoff abgeführt werden kann, können thermisch bedingte Bauteildefekte auftreten. Die Wärmestromaufteilung wird durch die verschleißbedingte Veränderung der Schleifscheibentopografie beeinflusst.
Marc Bredthauer, Patrick Mattfeld, Sebastian Barth, Thomas Bergs   +3 more
openaire   +1 more source

Verschleißmechanismen von CBN-Körnern/Wear mechanisms of CBN grains – Studies to identify and quantify CBN grain wear mechanisms

wt Werkstattstechnik online, 2021
Dieser Beitrag stellt die Ergebnisse von Verschleißuntersuchungen beim Einkornritzen mit CBN-Körnern dar. Der Fokus der Forschungsarbeit liegt auf der Identifizierung und Quantifizierung der Verschleißmechanismen in Abhängigkeit von den Prozesseinstellgrößen und den Korneigenschaften.
Thomas Bergs, Marc Bredthauer, Patrick Mattfeld, Sebastian Barth   +3 more
openaire   +1 more source

Pore structure design and grinding performance of porous metal-bonded CBN abrasive wheels fabricated by vacuum sintering

Journal of Manufacturing Processes, 2019
Porous metal-bonded cubic boron nitride (CBN) grinding wheels associated with desired porosity and excellent mechanical property are fabricated by employing alumina bubbles as pore-forming agents.
Biao Zhao, W. Ding, Zhenzhen Chen, Changyong Yang   +3 more
semanticscholar   +1 more source

Tribological behavior of cBN-WC-10Co composites for dry reciprocating sliding wear

Ceramics International, 2019
This work aims to understand the tribological behavior of cBN-WC-10Co composites subjected to the dry reciprocating sliding wear. The tribological behavior was characterized by the coefficient of friction (CoF) and the specific wear rate.
Cong Mao, Fangjian Zhou, Yongle Hu, Peihao Cai, Yifeng Jiang, Z. Bi, Guanqing Peng   +6 more
semanticscholar   +1 more source

cBN–Ti3SiC2 composites

Diamond and Related Materials, 2004
Abstract cBN–Ti3SiC2 composites with different cBN volume ratio were sintered by high pressure hot pressing. From the microscopic observation it could be concluded that the samples exhibit a porous less, dense structure. Various phase (TiB2, SiC4, TiC and SiC been formed in the cBN–Ti3SiC2 interface.
E. Benko, P. Klimczyk, S. Mackiewicz, T.L. Barr, E. Piskorska   +4 more
openaire   +1 more source

Effect of heat treatments on the Li2O-Al2O3-SiO2-B2O3-BaO glass-ceramic bond and the glass-ceramic bond cBN grinding tools

International Journal of Refractory Metals and Hard Materials, 2019
Influence of heat treatments on the Li2O-Al2O3-SiO2-B2O3-BaO glass-ceramic bond and the glass-ceramic bond cBN grinding tools had been methodically discussed.
Jiang Shi, F. He, Jun-lin Xie, Xiaoqing Liu, Hu Yang   +4 more
semanticscholar   +1 more source

Exploring the influences of Li2O/SiO2 ratio on Li2O – Al2O3 – SiO2 – B2O3 – BaO glass-ceramic bonds for vitrified cBN abrasives

Ceramics International, 2019
Li2O–Al2O3–SiO2–B2O3–BaO glass-ceramic bonds for vitrified cBN abrasives with various Li2O/SiO2 ratio were prepared by the traditional melt-quenching method.
Shi Jiang, F. He, Jun-lin Xie, Hu Yang, Zichen Guo, Xiaoqing Liu   +5 more
semanticscholar   +1 more source

Controversy about ultrahard nanotwinned cBN

Nature, 2013
Arising from Y. Tian et al. , 385–388 (2013)10.1038/nature11728 Tian et al.1 report synthesis of “nanotwinned” cubic boron nitride (“nt-cBN”). These authors claim that its unprecedented Vickers hardness of 108 GPa is due to nanotwinning, and that hardening of cBN is continuous with decreasing twin ...
Natalia, Dubrovinskaia, Leonid, Dubrovinsky   +1 more
openaire   +2 more sources