Browsing by Author "Fang, Shiqi"
Now showing items 1-15 of 15
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3D characterization of cubic boron nitride (CBN) composites used as tool material for high precision abrasive machining processes
(2017-07-29)
Article
Open AccessCubic boron nitride (CBN) composites are widely used as cutting tool materials for high precision abrasive machining processes. They are composed of super hard CBN abrasives and a softer binder. CBN abrasives are one of ... -
Ablation investigation of cemented carbides using short-pulse laser beams
(Elsevier, 2018)
Conference report
Open AccessAs an excellent engineering tool material, cemented carbides are capable to shape and cut metallic materials with high surface finish quality and precision. However, in regard to conventional abrasive methods cemented ... -
Analysis of different surface structures of hard metal guiding stones in the honing process
(2017)
Article
Open AccessHoning is a precise abrasive machining process with high standards for the resulting form, dimension, and surface quality. Additionally, honing further improves geometrical tolerances of the machined workpieces, especially ... -
Assessment of wear micromechanisms on a laser textured cemented carbide tool during abrasive-like machining by FIB/FESEM
(2020-11-02)
Article
Open AccessThe combined use of focused ion beam (FIB) milling and field-emission scanning electron microscopy inspection (FESEM) is a unique and successful approach for assessment of near-surface phenomena at specific and selected ... -
Critical assessment of two-dimensional methods for the microstructural characterization of cemented carbides
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-11-03)
Article
Open AccessCemented carbides, or hard metals, are ceramic–metal composites usually consisting of tungsten carbide particles bound by a cobalt-based alloy. They are the backbone materials for the tooling industry, as a direct consequence ... -
Fabrication and tribological performance of a laser-textured hardmetal guiding stone for honing processes
(2019-11-01)
Article
Open AccessHoning is often implemented as surface finish process by improving geometrical and form precision of workpieces. Guiding stones, usually made of hard materials with requirement of excellent tribological properties, play a ... -
Indentation and sliding contact testing of three laser-textured and PVD-coated cemented carbide tools
(Elsevier, 2023-11)
Article
Restricted access - publisher's policyA new concept for cemented carbide tools was presented with laser-generated abrasive-like protrusions on their machining surfaces that mimic the surface features of diamond or cubic boron nitride abrasives commonly used ... -
Laser surface texturing of a WC-CoNi cemented carbide grade: surface topography design for honing application
(2018-06)
Article
Open AccessAbrasive effectiveness of composite-like honing stones is related to the intrinsic surface topography resulting from the cubic boron nitride (CBN) grains protruding out of the metallic matrix. Within this framework, Laser ... -
Microstructural and metallurgical assessment of the laser-patterned cemented tungsten carbide (WC-CoNi)
(2018)
Conference report
Open AccessCemented carbide is difficult to machine using traditional chip-removal methods due to its hardness. Electrical discharge machining (EDM) is the common method applied to shape cemented carbides because high geometric ... -
Performance of laser surface textured cemented carbide tools during abrasive machining: Coating effects, surface integrity assessment and wear characterization
(Elsevier, 2020-11-01)
Article
Open AccessLaser surface texturing (LST) and coating deposition are implemented on cemented carbide (WC-CoNi) tools to extent their application in abrasive-like machining processes. The topographic features of a conventional cubic ... -
Surface integrity assessment of laser treated and subsequently coated cemented carbides
(2019)
Article
Open AccessCemented carbides, referred to as hardmetals, are forefront engineering materials widely implemented in industry for chip-removal cutting tools and supporting parts. As a newly developed technology for surface modification ... -
Surface patterning of cemented carbides by means of nanosecond laser
(2020)
Article
Open AccessA nanosecond laser combined with a two-axis reflection control unit is used to shape polygonal pyramids with defined geometry on a specific cemented carbide grade. In total, 12 different surface patterns have been fabricated, ... -
Surface topography quantification of super hard abrasive tools by laser scanning microscopy
(2016)
Article
Open AccessNon-conventional super hard abrasive tools are made of composite materials containing super hard grains, e.g., diamond or cubic boron nitride (CBN) grains, bound by a metallic constitutive phase. These tools are usually ... -
Tribological performance of laser patterned cemented tungsten carbide parts
(Elsevier, 2016)
Article
Open AccessSome tools for machining processes used to be guided by supporting parts while using them for cutting or abrasive machining. For instance, the guide stone is used as supporting part in the honing process, which maintains ... -
Wear characterization of cemented carbides (WC-CoNi) processed by laser surface texturing under abrasive machining conditions
(2017-09-01)
Article
Open AccessCemented carbides are outstanding engineering materials widely used in quite demanding material removal applications. In this study, laser surface texturing is implemented for enhancing, at the surface level, the intrinsic ...
