Research Progress of High Entropy Transition Metal Carbide Ceramics

Haoxuan WANG; Qiaomu LIU; Yiguang WANG

doi:10.15541/jim20200366

Journals >Journal of Inorganic Materials >Volume 36 >Issue 4 >Page 355 > Article

Journal of Inorganic Materials
Vol. 36, Issue 4, 355 (2021)

Research Progress of High Entropy Transition Metal Carbide Ceramics

Haoxuan WANG¹, Qiaomu LIU², and Yiguang WANG^3、*

Author Affiliations

¹1. Science and Technology on Thermostructural Composite Materials Laboratory, Northwestern Polytechnical University, Xi’an 710072, China

²2. China Gas Turbine Establishment, Chengdu 610500, China

³3. Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China

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DOI: 10.15541/jim20200366 Cite this Article

Haoxuan WANG, Qiaomu LIU, Yiguang WANG. Research Progress of High Entropy Transition Metal Carbide Ceramics[J]. Journal of Inorganic Materials, 2021, 36(4): 355 Copy Citation Text

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1. Schematic diagrams of crystal structure^{[19,20,21,22,23,24,25,26,27,28,29,30]}

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(a) Hardness of the CrNbSiTiZrCx with different carbon contents[84], and (b) hardness depth-profles of the individual, binary and high-entropy carbide[87]

2. (a) Hardness of the CrNbSiTiZrC_x with different carbon contents^[84], and (b) hardness depth-profles of the individual, binary and high-entropy carbide^[87]

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3. Thermal conductivities for high-entropy ceramics^[93]

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4. (a) Square of the specific weight change as a function of oxidation time at 800-1200 ℃ for (Hf_0.2Zr_0.2Ta_0.2Nb_0.2Ti_0.2)C^[95], (b) square of the specific weight change as a function of oxidation time at 1500 ℃ for high-entropy carbide in different systems^[33,97,99]

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HEC	Hardness/GPa	Average/GPa
HfC^[31]	25	—
TaC^[31]	14	—
ZrC^[31]	24	—
TiC^[31]	31	—
NbC^[31]	17	—
WC^[88]	14	—
VC^[31]	29	—
Mo₂C^[31]	27	—
(ZrNbTiV)C^[74]	30	25
(HfTaZrNb)C^[87]	36	20
(TiVNbTaW)C^[31]	28	21
(TiHfTaWZr)C^[31]	33	22
(TiHfNbTaMo)C^[89]	27	23
(TiZrNbTaMo)C^[90]	32	23
(VNbTaMoW)C^[31]	27	20
(HfTaZrTiNb)C^[31]	32	28
(TiZrHfTaW)C^[89]	24	22
(TiHfNbTaW)C^[31]	31	20
(TiHfVNbTa)C^[31]	29	23

Table 1. Hardness of some carbide ceramics^{[31,74,88-90]}

Haoxuan WANG, Qiaomu LIU, Yiguang WANG. Research Progress of High Entropy Transition Metal Carbide Ceramics[J]. Journal of Inorganic Materials, 2021, 36(4): 355

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