Cemented Carbides

1st Edition - January 4, 2022
Authors: Igor Konyashin, Bernd Ries
Language: English
Paperback ISBN:
9 7 8 - 0 - 1 2 - 8 2 2 8 2 0 - 3
eBook ISBN:
9 7 8 - 0 - 1 2 - 8 2 2 8 2 1 - 0

Cemented Carbides describes all aspects related to the fabrication and examination of cemented carbides, starting from the production of raw materials and ending with final operat… Read more

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Cemented Carbides describes all aspects related to the fabrication and examination of cemented carbides, starting from the production of raw materials and ending with final operations of surface finishing and coating. Basic phase diagrams of WC-based cemented carbides are presented and analyzed. Technological processes and equipment employed on different stages of the cemented carbide manufacture, including milling, granulation, pressing, sintering, surface finishing and deposing wear-resistant coatings are described, as well as modern techniques and instruments employed for controlling the microstructure and properties of cemented carbide.

Cover image
Title page
Table of Contents
Copyright
Preface
Chapter 1. The history of the invention and early development of cemented carbides
Chapter 2. Classification and general characteristics of cemented carbides
Chapter 3. Materials science of cemented carbides
3.1. General overview of the W–C–Co and related phase diagrams
3.2. Some important sections of the W–C–Co phase diagram
3.3. General overview of the W–C–Ni phase diagram
3.4. General overview of the W–C–Fe–Ni phase diagram
3.5. General overview of the W–C–Ti–Ta(Nb)–Co phase diagrams
Chapter 4. Refractory carbides employed in the fabrication of cemented carbides
4.1. Tungsten carbides
4.2. Carbides of the Ti–Ta–Nb–W–C system
Chapter 5. Structure and properties of binder phases in cemented carbides
5.1. Co-based binders
5.2. Ni-based binders
5.3. Fe-based binders
5.4. Alternative binders
Chapter 6. Materials engineering of cemented carbides
6.1. Technological processes for fabrication of tungsten metal and tungsten carbide powders
6.2. Technological processes for fabrication of (W,Ti,Ta(Nb))C powders and powders of grain growth inhibitors
6.3. Technological processes for fabrication of cobalt powders
6.4. Technological processes for fabrication of cemented carbide graded powders
6.5. Granulation of graded powders
6.6. Technological processes for fabrication of cemented carbide green bodies
6.7. Technological processes for sintering cemented carbide articles
Chapter 7. Major methods for controlling cemented carbides in the manufacture
7.1. Examination of cemented carbide microstructures
7.2. Examination of magnetic properties
7.3. Examination of mechanical properties in the carbide manufacture
7.4. Examination of wear resistance of cemented carbides
7.5. Examination of high-temperature properties of cemented carbides
Chapter 8. Final processing of carbides articles and deposition of wear-resistant coatings
8.1. Grinding
8.2. Brazing and assembling
8.3. Coatings obtained by chemical vapor deposition (CVD)
8.4. Coatings obtained by physical vapor deposition (PVD)
Chapter 9. The influence of compositions and microstructural parameters on properties and applications of WC–Co cemented carbides
9.1. Cobalt content and mean WC grain size
9.2. Uniformity of microstructure
9.3. Carbon content
9.4. Composition and state of the binder phase
9.5. Origin of tungsten carbide powders
9.6. Inhibitors of WC grain growth
9.7. Shape and contiguity of WC grains
9.8. Impurities and contaminations
Chapter 10. Conventional industrial grades of cemented carbides
Chapter 11. Current range of advanced uncommon industrial grades of cemented carbides
11.1. Functionally graded cemented carbides
11.2. Nanostructured cemented carbides
11.3. Industrial cemented carbides with nanograin reinforced binder
11.4. Cemented carbides with alloyed binder phases
11.5. Cemented carbide substrates in combination with layers of polycrystalline diamond
11.6. Cemented carbides with Co-enriched surface layers
Chapter 12. Applications of cemented carbides and mechanisms of their wear and degradation
12.1. Metal cutting
12.2. Mining and oil-and-gas drilling
12.3. Construction
12.4. Wear parts
12.5. Metal forming
12.6. Rolling and drawing of wires and bars
12.7. High-pressure high-temperature components
Chapter 13. Recycling cemented carbides
13.1. Full chemical recycling
13.2. Leaching carbide binders
13.3. Zinc reclaim process
13.4. Cold stream process
Chapter 14. Modeling cemented carbides
14.1. Modeling the structure of cemented carbides on the micro-, nano- and atomic level by ab initio calculations
14.2. Modeling mechanical properties of and degradation processes in cemented carbides
14.3. Modeling the stress distribution in cemented carbide articles
Chapter 15. Major trends in the research and development of cemented carbides
15.1. Grain boundary design
15.2. In situ examinations of deformation and thermal processes in cemented carbides in transmission electron microscopes
15.3. Micromechanical testing of cemented carbides
15.4. Additive manufacturing of cemented carbide articles
15.5. Diamond-enhanced cemented carbides
Index

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Igor Konyashin

Bernd Ries