Results 101 to 110 of about 7,614 (217)

Елементні показники процесу точіння загартованої сталі пластинами із ПКНБ [PDF]

, 2016
Розроблена спрощена методика визначення елементних показників (напружень та коефіцієнтів тертя) на передній та задній поверхнях леза, наведено приклад їх розрахунку для процесу точіння полікристалічним кубічним нітридом бора (ПКНБ) загартованої сталі.A ...
Кравченко, Ю. Г., Крюкова, Н. В.   +1 more
core  

Fabrication of Polycrystalline Cubic Boron Nitride/Metal Composite Particles by Surface Metallization Followed by Electroless Deposition Technique. [PDF]

Materials (Basel), 2021
Mohamed Daoush W, Saad Alkhuraiji T, Alshammri AD.   +2 more
europepmc   +1 more source

Influence of the microstructure on the contact damage behavior of polycrystalline cubic boron nitride

, 2021
In this work the influence of microstructure on the contact damage of polycrystalline cubic boron nitride (Pc-BN) is studied. Pc-BN is a superhard composite material constituted by c-BN particles and a binder matrix of either metallic or ceramic nature.
openaire   +2 more sources

Numerical determination of thermoelectric parameters for two-stage sintering of cBN–Al system samples in a high-pressure cubic cell

Фізика і хімія твердого тіла
Preliminary numerical modeling of coupled electric and thermal fields in a six-punch HPA during reaction sintering of massive samples of PCBN has been performed.
Oleksiy Liudvichenko, Oleksandr Lyeshchuk, Oleksandr Anisin, Mykola Bezhenar   +3 more
doaj   +1 more source

Investigation on Cutting Performance of Micro-Textured Cutting Tools

Micromachines, 2019
This paper explores the influence of micro textures on cutting performance of polycrystalline cubic boron nitride (PCBN) tools from two aspects, that is, tool wear and machined surface roughness.
Qinghua Li, Chen Pan, Yuxin Jiao, Kaixing Hu   +3 more
doaj   +1 more source

Physico-mechanical properties of cbn composites with binders based on carbides of TI, CR, V in conditions of high-speed machining of AISI 316L [PDF]

, 2018
Досліджено механічні властивості та експлуатаційні характеристики різального матеріалу на основі кубічного нітриду бору зі зв’язками у виді карбідів перехідних металів (Ti, Cr, V), алюміній був введений в шихту якості гетеру.
Петруша, Ігор Андрійович, Сліпченко, Катерина Вячеславівна, Туркевич, Володимир Зіновійович   +2 more
core  

Ophiolite-Hosted Diamond: A New Window for Probing Carbon Cycling in the Deep Mantle

Engineering, 2019
As reported in our prior work, we have recovered microdiamonds and other unusual minerals, including pseudomorph stishovite, moissanite, qingsongite, native elements, metallic alloys, and some crustal minerals (i.e., zircon, quartz, amphibole, and rutile)
Dongyang Lian, Jingsui Yang
doaj   +1 more source

Failure and Control of PCBN Tools in the Process of Milling Hardened Steel

Metals, 2019
The polycrystalline cubic boron nitride (PCBN) milling tool can be used in the mold industry to replace cemented carbide tools to improve machining efficiency and quality. It is necessary to study the tool wear and failure mechanism to increase machining
Guangyue Wang, Xianliang Zhou, Xuefeng Wu, Jing Ma   +3 more
doaj   +1 more source

Superhard cutting materials [PDF]

, 2012
Tato bakalářská práce se zabývá supertvrdými řeznými materiály, mezi které patří diamant a kubický nitrid boru. Je členěna do tří částí. V první je krátké shrnutí materiálů řezných nástrojů používaných v současnosti ke strojnímu obrábění.
Mlčoch, Petr
core  

The Influence of PCBN Inserts Microgeometry on Cutting Forces, Surface Roughness, and Tool Wear When Milling Inconel 718

Advances in Mechanical and Materials Engineering
This study investigates the effect of cutting edge microgeometry on the milling of Inconel 718, a superalloy widely used in aircraft engine components. Face milling tests were conducted using a Ø63 mm tool with unevenly distributed polycrystalline cubic ...
Marcin Szpunar, Marek Zwolak, Robert Ostrowski   +2 more
doaj   +1 more source