Research on cutting force characteristics of laser …

Zhang and Jiao [16] applied LUAT method to process cemented carbide, and the wear mechanism of LUAT of cemented carbide using polycrystalline diamond (PCD) tools was studied in depth, and it was found that LUAT has significant advantages in reducing cutting force and improving tool life. Although LUAT has been successfully …

Method of making a submicron cemented carbide with …

The present invention relates to a method of making a cemented carbide comprising WC, 6-12 wt. % Co and 0.1-0.7 wt. % Cr, wherein the WC-grains are coated with Cr prior to mixing and no milling takes place during the mixing step.

Cemented carbide microstructures: a review

Conventional methods of cemented carbide production result in considerable difficulties in reducing the average grain size of WC below 0.2 μm [36] and thus the advent of the nano-grain era has yet to occur on an industrial scale.

Synthesis, properties, and applications of functionally …

Contrasting to nitriding method acting on cemented carbide precursor containing Ti, denitrification process demands green cemented carbide doping N element. The precursor simultaneously undergoes N outward migration and Ti inward migration during denitrification, thereby rendering FGCC with no cubic phase layer on the surface …

Microstructure and mechanical properties of WC–TiC–Co cemented …

Cemented carbide 91 wt% WC–3 wt% TiC–6 wt% Co was sintered by spark plasma sintering at different temperatures of 1200 °C, 1300 °C, and 1400 °C and the effect of sintering temperature on the microstructure and properties of this type of composites, such as total density, apparent density, hardness, and fracture surface were measured …

Cemented Carbides

The cemented carbides are a range of powder-metallurgical composite materials, which consist of hard carbide particles bonded together by a metallic binder …

Wettability-Oriented Laser Microgrooving Process on Cemented Carbide …

Surface micro-texture has been shown to enhance wettability and reduce wear on cutting tools. However, there is limited research on how laser parameters impact the dimensional accuracy of surface texture and its wettability. This study focuses on producing arrayed groove textures on WC/Co cemented carbide surfaces using Nd: …

Smooth polishing of femtosecond laser induced craters on cemented …

DOI: 10.1016/J.APSUSC.2017.07.160 Corpus ID: 136387289; Smooth polishing of femtosecond laser induced craters on cemented carbide by ultrasonic vibration method @article{Wang2017SmoothPO, title={Smooth polishing of femtosecond laser induced craters on cemented carbide by ultrasonic vibration method}, author={Hua …

A comprehensive review on recycling methods for cemented …

Cemented tungsten carbide is the finest cutting material predominantly for the extreme environmental conditions in different applications. High compressive strength, high hardness, outstanding toughness, and especially red hardness properties (retains its hardness values at high temperatures) are useful for the metal-cutting and mining …

Electrochemical separation of tungsten from scrap cemented carbide …

At the optimum electrolysis temperature (600 °C), the WC was electrolyzed for 10 h at constant voltage (1.0 V) using the timed-current method with FLiNaK molten salt as the electrolyte, tungsten carbide (3 × 3 × 20 mm) as the working electrode, a stone-worn rod (Φ = 6 mm) as the counter electrode, and Pt (Φ = 0.5 mm) as the reference electrode.

Cemented Carbide

The type of material obtained by forming a coating layer of certain thickness on the surface of a cemented carbide matrix using physical and chemical methods, …

Effects of SiC addition on microstructure and properties of …

In order to further improve the comprehensive properties of WC–Co cemented carbide with low binder phase content, in this work, a series of WC–6Co cemented carbides with different SiC additions are prepared using SiC as the additive and sintered at 1400 °C for 5 min by Spark Plasma Sintering technology. Meanwhile, the …

A novel finite element method for the wear analysis of cemented carbide …

In this paper, a novel finite element method for the wear analysis of cemented carbide tool during high-speed cutting Ti6Al4V alloy was proposed. The high-speed cutting tests were carried out on Ti6Al4V to verify the tool wear prediction FEM model. The main conclusions are as follows: (1)

Cemented Carbide

1 Introduction. Cemented carbide is a composite material prepared by powder metallurgical methods. It has the advantages of high hardness, good toughness, and wear and corrosion resistance due to the combination of hard phase and soft metal binder …

A novel sintering technique for fabrication of functionally

Functionally graded or functionally gradient WC–Co cemented carbides with Co and/or hardness gradients can potentially have great practical importance. In this article is described a novel sintering technique for fabrication of functionally gradient WC–Co cemented carbides. This technique includes (1) employing green carbide …

Research and prospect of novel WC-HEA cemented carbide

A cemented carbide is a cemented carbide material composed of refractory metal carbides (WC, TiC, etc.) and metal binders (Co, Ni, Mo, etc.) []; it has attracted wide attention due to its high hardness, fracture toughness, superior thermal conductivity, and wear resistance [2,3,4,5].Among them, WC–Co cemented carbides …

Understanding Cemented Carbide

Cemented carbides are a range of composite materials which consist of hard carbide particles bonded together by a metallic binder. The proportion of carbide phase …

The Basics of Cemented Carbide

Cemented Carbide is just that: an alloy. It is not a natural metal, but rather a man-made metal. It is made up of tungsten carbide (WC) and cobalt (Co). Tungsten carbide has a high melting point (2900℃), and will not melt like iron.

Investigation on hardness testing of cemented carbide …

This paper presents a method based on finite element method (FEM) for studying the hardness of carbide tools. The microstructure of the carbide tool is obtained by scanning electron microscope(SEM). ... The hardness values of cemented carbide tools are then calculated by the traditional method, Oliver-Pharr (OP) method and …

Joining of cemented carbides WC–Co and tool steel

In this study, a combination of cemented carbide WC–Co and tool steel X153CrMoV12 was welded by the multi-capacitor discharge welding method. The results showed that it is possible to achieve a heterogeneous connection of cemented carbides WC–Co and tool steel X153CrMoV12 using this method and that this new innovative …

Cemented Carbides | Powder Metallurgy | Handbooks

Cemented carbide is, in its simplest form, a metal-matrix composite of tungsten carbide particles in a cobalt matrix. This article describes the microstructure, physical, and …

Experimental study on shear thickening polishing of cemented carbide

Shear thickening polishing (STP), an emerging polishing method, is used to polish the cemented carbide insert with complex shape in this study. The principle and performance of STP were introduced. Four parameters having significant influence on the STP process, including polishing speed, abrasive concentration, abrasive size, and …

Fabrication of cemented carbides with bidirectional gradient …

1. Introduction. Tungsten carbide-cobalt (WC–Co) cemented carbides, composed of tungsten carbide as the hard phase and cobalt as the binder phase, are extensively applied as primary materials in mechanical machining tools, rock drilling tool drill bit components, and wear-resistant parts [[1], [2], [3]].This is attributed to their …

Edge preparation methods for cutting tools: a review

These methods are compared from the aspects of edge consistency, surface quality, efficiency, processing difficulty, machining cost, and general availability. In this manner, a more intuitive understanding of the characteristics can be gained. ... Köhler J. Cutting edge preparation for cemented carbide milling tools. Advanced Materials ...

Cemented Carbides

The cemented carbides are a range of powder-metallurgical composite materials, which consist of hard carbide particles bonded together by a metallic binder ( Hard Materials 2012).The proportion of carbide phase is generally between 70% and 97% of the total weight of the composite and its grain size averages between 0.4 …

CEMENTED CARBIDE BODY AND METHOD

1. Method of producing a cemented carbide body comprising providing: (1) a grain refiner compound comprising a grain refiner and carbon and/or nitrogen, and, (2) a grain growth promoter, on at least one portion of the surface of a compact of a WC-based starting material comprising one or more hard-phase components and a binder, and …

Cemented Carbides | Machining | Handbooks

It provides information on new tool geometries, tailored substrates, and the application of thin and hard coatings to cemented carbides by chemical vapor deposition and physical …

Cemented Carbide Cutting Tool Material Basics Summary

Large-sized cemented carbide workpieces or those with a high aspect ratio (such as the shanks of milling cutters and drills) are usually manufactured using graded cemented …

A comprehensive review on the cutting and abrasive …

For example, for large flat cemented carbide parts, CMP method is suitable. For cemented carbide tools with complex shape and high precision, abrasive …

Cemented Carbides

Methods of modeling mechanical properties of and degradation processes in cemented carbides are described. Methods and results of modeling of the stress distribution in cemented carbide articles based on the Finite Element Analysis or Finite Element Method are reported with respect to different applications of carbide articles and tools.