Results 1 to 10 of about 19,439 (180)

Mechanical strength of ground WC-Co cemented carbides after coating deposition [PDF]

open access: green, 2017
Manufacturing of hardmetal tools often involves surface grinding, ion etching and final coating. Each stage throughout the manufacturing chain introduces surface integrity changes which may be critical for defining the final mechanical behavior of the ...
Esteve Pujol, Joan   +4 more
core   +4 more sources

Influence of Alternative Hard and Binder Phase Compositions in Hardmetals on Thermophysical and Mechanical Properties

open access: yesMetals, 2023
Due to the classification of Co as a CMR (carcinogenic, mutagenic, toxic to reproduction) as well as the classification of both Co and WC as CRM (critical raw materials) more and more research is being carried out to investigate possible substitutes for ...
Benjamin Hering   +4 more
doaj   +1 more source

Effects of addition of ultrafine WC and fine WC/Co on microstructure and mechanical properties of WC-10Co cemented carbides

open access: yesCailiao gongcheng, 2023
The ultrafine WC powders with particle size of 0.5 μm were coated by nano Co particles for preparation of the fine WC/Co powder. Then it was mixed with the coarse WC and Co powders, following compacted and sintered in vacuum at 1420 ℃ for 1 h for ...
YU Songbai   +6 more
doaj   +1 more source

Interface Bonding Properties of CrAlSiN-Coated Cemented Carbides Doped with CeO2 and Y2O3 Rare Earth Oxides

open access: yesMolecules, 2023
This study performed first-principle-based calculations of the interface adhesion work in interface models of three terminal systems: CrAlSiNSi/WC-Co, CrAlSiNN/WC-Co, and CrAlSiNAl/WC-Co.
Junru Yang   +3 more
doaj   +1 more source

( Co , Ti - WC , WC ) على اداء العدد الكاربيدية ذات اساس ( TaC , SiC ) تأثير أضافة [PDF]

open access: yesEngineering and Technology Journal, 2005
This investigation is aimed to improve the carbide tips by studying the effect of adding new powders to the composition of the carbide tips . So a basic mixture containing ( WC , Ti - WC , Co ) with weight percentage ( 62 % , 32 % , 6 % ) was prepared ...
Khahtan Alkhazrajy   +2 more
doaj   +1 more source

Effect of WC Content on Microstructure and Element Diffusion of Nano WC-Co-TiC/304 Stainless Steel Composites for Micro Drill

open access: yesMetals, 2023
In this study, WC-Co-TiC/304 stainless steel composites were successfully prepared by compression at room temperature and vacuum sintering in a special mold.
Rui Zhu   +7 more
doaj   +1 more source

Research on Interface Bonding Properties of TiAlSiN/WC-Co Doped with Graphene

open access: yesMicromachines, 2023
Based on the first-principles method, TiAlSiN/WC-Co interface models with graphene doped into the matrix, coating, and the coating/matrix are constructed.
Junru Yang   +5 more
doaj   +1 more source

Consolidation and Oxidation of Ultra Fine WC-Co-HfB2 Hard Materials by Spark Plasma Sintering [PDF]

open access: yesArchives of Metallurgy and Materials, 2021
In this study, a novel composite was fabricated by adding the Hafnium diboride (HfB2) to conventional WC-Co cemented carbides to enhance the high-temperature properties while retaining the intrinsic high hardness.
Hyun-Kuk Park   +4 more
doaj   +1 more source

Effect of bimodal WC particle size and binder composition on the morphology of WC grains in WC–Co–Ni3Al cemented carbides

open access: yesJournal of Materials Research and Technology, 2021
In addition to dispersed nanoparticles in the binder phase, the effect of Ni3Al on the growth mechanism of tungsten carbide (WC) grains is also essential for the fabrication of high-quality of cemented carbides.
Yingbiao Peng   +6 more
doaj   +1 more source

Effect of spray distance on the microstructure and corrosion resistance of WC - based coatings sprayed by HVOF [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2023
Cermet coatings provide protection against aggressive operating environment of machine and device elements, such as corrosion, wear or high-temperature conditions. Currently WC-based cermet coatings are frequently used in the different industry branches.
Ewa Jonda   +5 more
doaj   +1 more source

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