AI Chat Paper
Note: Please note that the following content is generated by AMiner AI. SciOpen does not take any responsibility related to this content.
{{lang === 'zh_CN' ? '文章概述' : 'Summary'}}
{{lang === 'en_US' ? '中' : 'Eng'}}
Chat more with AI
Powered by AMiner. Clicking this button will take you away from SciOpen.
Home Journal of Advanced Ceramics Article
PDF (2.4 MB)
Cite
EndNote(RIS) BibTeX
Collect
Submit Manuscript AI Chat Paper
Show Outline
Outline
Show full outline
Hide outline
Outline
Show full outline
Hide outline
Research Article | Open Access

Low-temperature densification of high-entropy (Ti,Zr,Nb,Ta,Mo)C–Co composites with high hardness and high toughness

Si-Chun LUOa,b, Wei-Ming GUOa( ), Kevin PLUCKNETTa,c, Hua-Tay LINa( )
School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
School of Mechanical and Electronic Engineering, Pingxiang University, Pingxiang 337000, China
Department of Process Engineering and Applied Science, Dalhousie University, Halifax B3J1Z1, Canada
Show Author Information

Abstract

In order to prepare high toughness (Ti,Zr,Nb,Ta,Mo)C ceramics at low temperatures while maintaining high hardness, a liquid-phase sintering process combined with Co-based liquid-phase extrusion strategy was adopted in this study. The densification temperature can be lowered to 1350 ℃, which is much lower than the solid-state sintering temperature (~2000 ℃) generally employed for high-entropy carbide ceramics. When sintered at 1550 ℃ and 30 MPa applied pressure, part of the Co-based liquid-phase was squeezed out of the graphite mold, such that only ~3.21 vol% of Co remained in the high-entropy ceramic. Compared to the Co-free solid-state sintered (Ti,Zr,Nb,Ta,Mo)C ceramics, prepared at 2000 ℃ and 35 MPa, the hardness was slightly decreased from 25.06±0.32 to 24.11±0.75 GPa, but the toughness was increased from 2.25±0.22 to 4.07±0.13 MPa·m1/2. This work provides a new strategy for low-temperature densification of high-entropy carbides with both high hardness and high toughness.

Keywords

high-entropy carbide ceramicsliquid-phase sinteringmicrostructuregrain sizemechanical properties

References

[1]
Xiang HM, Xing Y, Dai FZ, et al. High-entropy ceramics: Present status, challenges, and a look forward. J Adv Ceram 2021, 10: 385–441.
Crossref Google Scholar
[2]
Luo SC, Guo WM, Plucknett K, et al. Fine-grained dual-phase high-entropy ceramics derived from boro/carbothermal reduction. J Eur Ceram Soc 2021, 41: 3189–3195.
Crossref Google Scholar
[3]
Sarker P, Harrington T, Toher C, et al. High-entropy high-hardness metal carbides discovered by entropy descriptors. Nat Commun 2018, 9: 4980.
Crossref Google Scholar
[4]
Feng L, Chen WT, Fahrenholtz WG, et al. Strength of single-phase high-entropy carbide ceramics up to 2300 ℃. J Am Ceram Soc 2021, 104: 419–427.10.1111/jace.17443
Crossref Google Scholar
[5]
Chen H, Xiang HM, Dai FZ, et al. High porosity and low thermal conductivity high entropy (Zr0.2Hf0.2Ti0.2Nb0.2Ta0.2)C. J Mater Sci Technol 2019, 35: 1700–1705.
Crossref Google Scholar
[6]
Sun QC, Tan H, Zhu SY, et al. Single-phase (Hf–Mo–Nb– Ta–Ti)C high-entropy ceramic: A potential high temperature anti-wear material. Tribol Int 2021, 157: 106883.
Crossref Google Scholar
[7]
Luo SC, Guo WM, Zhou YZ, et al. Textured and toughened high-entropy (Ti0.2Zr0.2Hf0.2Nb0.2Ta0.2)C–SiCw ceramics. J Mater Sci Technol 2021, 94: 99–103.
Crossref Google Scholar
[8]
Castle E, Csanádi T, Grasso S, et al. Processing and properties of high-entropy ultra-high temperature carbides. Sci Rep 2018, 8: 8609.
Crossref Google Scholar
[9]
Dusza J, Švec P, Girman V, et al. Microstructure of (Hf– Ta–Zr–Nb)C high-entropy carbide at micro and nano/ atomic level. J Eur Ceram Soc 2018, 38: 4303–4307.
Crossref Google Scholar
[10]
Yan XL, Constantin L, Lu YF, et al. (Hf0.2Zr0.2Ta0.2Nb0.2Ti0.2)C high-entropy ceramics with low thermal conductivity. J Am Ceram Soc 2018, 101: 4486–4491.
Crossref Google Scholar
[11]
Feng L, Fahrenholtz WG, Hilmas GE. Low-temperature sintering of single-phase, high-entropy carbide ceramics. J Am Ceram Soc 2019, 102: 7217–7224.
Crossref Google Scholar
[12]
Wang K, Chen L, Xu CG, et al. Microstructure and mechanical properties of (TiZrNbTaMo)C high-entropy ceramic. J Mater Sci Technol 2020, 39: 99–105.
Crossref Google Scholar
[13]
Wen TQ, Ye BL, Nguyen MC, et al. Thermophysical and mechanical properties of novel high-entropy metal nitride-carbides. J Am Ceram Soc 2020, 103: 6475–6489.
Crossref Google Scholar
[14]
Pötschke J, Dahal M, Herrmann M, et al. Preparation of high-entropy carbides by different sintering techniques. J Mater Sci 2021, 56: 11237–11247.
Crossref Google Scholar
[15]
Yu D, Yin J, Zhang BH, et al. Pressureless sintering and properties of (Hf0.2Zr0.2Ta0.2Nb0.2Ti0.2)C high-entropy ceramics: The effect of pyrolytic carbon. J Eur Ceram Soc 2021, 41: 3823–3831.
Crossref Google Scholar
[16]
Yu D, Zhang BH, Yin J, et al. Densifying (Hf0.2Zr0.2Ta0.2Nb0.2Ti0.2)C high-entropy ceramics by two-step pressureless sintering. J Am Ceram Soc 2022, 105: 76–81.
Google Scholar
[17]
Ma MD, Sun YN, Wu YJ, et al. Nanocrystalline high-entropy carbide ceramics with improved mechanical properties. J Am Ceram Soc 2022, 105: 606–613.
Crossref Google Scholar
[18]
Huang SG, Van der Biest O, Li L, et al. Properties of NbC–Co cermets obtained by spark plasma sintering. Mater Lett 2007, 61: 574–577.
Crossref Google Scholar
[19]
Grathwohl G, Warren R. The effect of cobalt content on the microstructure of liquid-phase sintered TaC–Co alloys. Mater Sci Eng 1974, 14: 55–65.
Crossref Google Scholar
[20]
Miller DJ, Pask JA. Liquid-phase sintering of TiC–Ni composites. J Am Ceram Soc 1983, 66: 841–846.
Crossref Google Scholar
[21]
Zamora V, Guiberteau F, Borrero-López O, et al. Spark plasma sintering and dry sliding-wear of ZrC–16.7 vol.% Co cemented carbides. Ceram Int 2021, 47: 12803–12811.
Google Scholar
[22]
Pötschke J, Dahal M, Vornberger A, et al. Production and properties of high entropy carbide based hardmetals. Metals 2021, 11: 271.
Google Scholar
[23]
Liu JB, Xiong J, Guo ZX, et al. Preparation of high-entropy (Zr0.25Hf0.25Ta0.25Ti0.25)C–Ni–Co composite by spark plasma sintering. Metall Mater Trans A 2020, 51: 6706–6713.
Google Scholar
[24]
Evans AG, Charles EA. Fracture toughness determinations by indentation. J Am Ceram Soc 1976, 59: 371–372.
Google Scholar
[25]
Oliver CJRG, Álvarez EA, García JL. Kinetics of densification and grain growth in ultrafine WC–Co composites. Int J Refract Met Hard Mater 2016, 59: 121–131.
Google Scholar
[26]
Kim SI, Lee KH, Mun HA, et al. Dense dislocation arrays embedded in grain boundaries for high-performance bulk thermoelectrics. Science 2015, 348: 109–114.
Google Scholar
[27]
Naidoo M, Johnson O, Sigalas I, et al. Influence of tantalum on the microstructure and properties of Ti(C,N)–Ni cermets. Int J Refract Met Hard Mater 2014, 42: 97–102.
Google Scholar
[28]
Wen G, Li SB, Zhang BS, et al. Processing of in situ toughened B–W–C composites by reaction hot pressing of B4C and WC. Scripta Mater 2000, 43: 853–857.
Google Scholar
[29]
Jam A, Nikzad L, Razavi M. TiC-based cermet prepared by high-energy ball-milling and reactive spark plasma sintering. Ceram Int 2017, 43: 2448–2455.
Google Scholar
[30]
Vallauri D, Deorsola FA. Synthesis of TiC–TiB2–Ni cermets by thermal explosion under pressure. Mater Res Bull 2009, 44: 1528–1533.
Google Scholar
[31]
Genga RM, Cornish LA, Akdogan G. Effect of Mo2C additions on the properties of SPS manufactured WC–TiC– Ni cemented carbides. Int J Refract Met Hard Mater 2013, 41: 12–21.
Crossref Google Scholar
[32]
Graziani T, Bellosi A. Densification and characteristics of TiN ceramics. J Mater Sci Lett 1995, 14: 1078–1081.
Crossref Google Scholar
[33]
Wang F, Zhang X, Yan XL, et al. The effect of submicron grain size on thermal stability and mechanical properties of high-entropy carbide ceramics. J Am Ceram Soc 2020, 103: 4463–4472.
Crossref Google Scholar
Journal of Advanced Ceramics
Volume 11 Issue 5,
May 2022
Pages 805-813
DOI: 10.1007/s40145-022-0574-6
Cite this article:
LUO S-C, GUO W-M, PLUCKNETT K, et al. Low-temperature densification of high-entropy (Ti,Zr,Nb,Ta,Mo)C–Co composites with high hardness and high toughness. Journal of Advanced Ceramics, 2022, 11(5): 805-813. https://doi.org/10.1007/s40145-022-0574-6

1742

Views

367

Downloads

40

Crossref

39

Web of Science

41

Scopus

6

CSCD

Altmetrics
Received: 12 October 2021
Revised: 18 January 2022
Accepted: 23 January 2022
Published: 20 April 2022
© The Author(s) 2022.

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.

The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.

To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Return