Results 21 to 30 of about 22,242 (292)

Implementation of an effective time-saving two-stage methodology for microstructural characterization of cemented carbides [PDF]

open access: yes, 2016
Linear intercept on scanning electron microscopy micrographs is the most commonly used measurement method to determine carbide grain size and contiguity in WC–Co cemented carbides (hardmetals).
Al-Dawery, Ihsan   +5 more
core   +2 more sources

HRXRD study of the theoretical densities of novel reactive sintered boride candidate neutron shielding materials [PDF]

open access: yes, 2020
Reactive Sintered Borides (RSBs) are novel borocarbide materials derived from FeCr-based cemented tungsten (FeCr-cWCs) show considerable promise as compact radiation armour for proposed spherical tokamak,[1],[2],[3],[4],[5].
Marshall, Jessica M.   +2 more
core   +1 more source

Effects of Cr concentration on the microstructure and properties of WC-Ni cemented carbides

open access: yesJournal of Materials Research and Technology, 2020
Based on thermodynamic calculations, WC-Ni-Cr3C2 model alloys with high Ni content have been designed by fixing the carbon potential to form either graphite or eta (M6C) phases.
Guoping Li   +5 more
doaj   +1 more source

Research status and development trend of new nanocrystalline cemented carbides

open access: yesFenmo yejin jishu, 2022
Nanocrystalline cemented carbides have been widely used in the electronics information, automobile manufacturing, aerospace, national defense, and military industry due to the excellent performance. The development of nanocrystalline cemented carbides in
WANG Qian-yu   +4 more
doaj   +1 more source

Characterization of grain boundary character distribution in cemented carbides via a stereological method [PDF]

open access: yesProcessing and Application of Ceramics, 2022
This paper reports the interdisciplinary approach of simultaneous use of a stereological method, namely the five parameter analysis (FPA) method and the grain boundary character distribution (GBCD) in cemented carbides.
Yuan Xiaokun, Ji Yuan
doaj   +1 more source

Cutting load capacity of end mills with complex geometry [PDF]

open access: yes, 2001
Cutting load capacity of cemented carbide end mills with high length-to-diameter ratios is determined from critical geometric and loading parameters, including a stress concentration factor (SCF) to account for serrated edges, which is determined by ...
Asamoah-Attiah, S.   +2 more
core   +1 more source

Ultrafine/nano WC-Co cemented carbide: Overview of preparation and key technologies

open access: yesJournal of Materials Research and Technology, 2023
Ultrafine/nano WC–Co cemented carbide is widely used because of its high hardness, strength, toughness, and other comprehensive properties. However, WC grain growth during preparation is a persistent issue that hinders the development of this type of ...
Yucheng Wu   +4 more
doaj   +1 more source

A Fuzzy Evaluation of Tool Materials in the Turning of Marine Steels

open access: yesMetals, 2021
To recommend one suitable tool material for the cutting of marine steels under special conditions and requirements in emergency rescues of capsized steel ships, the cermet tools, cemented carbide tools and coated carbide tools were evaluated using a ...
Qingzhong Xu   +4 more
doaj   +1 more source

Ceramic dies selection for electrical resistance sintering of metallic materials [PDF]

open access: yes, 2019
Processing metallic powders by electrical resistance sintering requires the use of insulating ceramics dies. Selecting the appropriate ceramic material according to the electrical, thermal and mechanical properties is a need.
Andreouli, D.   +6 more
core   +2 more sources

Investigations on micro-mechanical properties of polycrystalline Ti(C,N) and Zr(C,N) coatings [PDF]

open access: yes, 2018
Micro-mechanical properties of Ti(C,N) and Zr(C,N) coatings deposited by chemical vapor deposition on a WC-Co cemented carbide substrate were examined by micro-compression testing using a nanoindenter equipped with a flat punch.
El Azhari, Idriss   +6 more
core   +3 more sources

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