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Microstructure and Mechanical Properties of Microwave Sintered Ti(C,N)-WC-Al2O3/Ti(C,N)-WC Laminated Ceramics
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Guangsen ZHANG, Wenbin JI, Shijie DAI, Xingchen WU
Journal of the Chinese Ceramic Society | 2022, 50(12) : 3212 - 3221
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Journal of the Chinese Ceramic Society | 2022, 50(12): 3212-3221
• Research Articles •
Microstructure and Mechanical Properties of Microwave Sintered Ti(C,N)-WC-Al2O3/Ti(C,N)-WC Laminated Ceramics
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Guangsen ZHANG, Wenbin JI, Shijie DAI, Xingchen WU
Affiliations
  • State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China

    • ZHANG Guangshen (1999-), male, Master candidate. E-mail:

About Author:

ZHANG Guangshen (1999-), male, Master candidate. E-mail:

Published: 2022-12-20 doi: 10.14062/j.issn.0454-5648.20220602
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Ti(C,N)-WC-Al2O3/Ti(C,N)-WC laminated ceramic materials with different layers and layer thickness ratios were prepared via microwave sintering. The variation of residual stress with layer number and layer thickness ratio was revealed by a finite element method, and the effects of layer number and layer thickness ratio on the macro-mechanical properties and micro-structural characteristics of the material were investigated. The results show that compared with the homogeneous material, the fracture toughness of the laminated material increases to 11.42 MPa·m1/2, which is 2.5 times greater than that of the homogeneous material, indicating a superior toughening effect. The main reason is a combined effect of macroscopic residual compressive stress and massive microscopic crack deflections. The fracture mode of the laminated material is an effective mixed fracture mode. In such a mode, the transgranular fracture of the surface layer and the intergranular fracture of the matrix layer alternate, which is conducive to the increase of fracture toughness and to the improvement of the overall strength of the material.

microwave sintering  /  titanium carbonitride  /  laminated composites  /  microstructure  /  mechanical properties
张广森, 季文彬, 戴士杰, 武星辰. 微波烧结Ti(C,N)-WC-Al2O3/Ti(C,N)-WC叠层陶瓷的微观结构和力学性能. 硅酸盐学报, 2022 , 50 (12) : 3212 -3221 . DOI: 10.14062/j.issn.0454-5648.20220602
Guangsen ZHANG, Wenbin JI, Shijie DAI, Xingchen WU. Microstructure and Mechanical Properties of Microwave Sintered Ti(C,N)-WC-Al2O3/Ti(C,N)-WC Laminated Ceramics[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (12) : 3212 -3221 . DOI: 10.14062/j.issn.0454-5648.20220602
Appendix
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Year 2022 volume 50 Issue 12
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Article Info
doi: 10.14062/j.issn.0454-5648.20220602
  • Receive Date：2022-07-21
  • Online Date：2026-10-20
  • Published：2022-12-20
Article Data
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History
  • Received：2022-07-21
  • Revised：2022-08-20
Funding
Affiliations
    State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, School of Mechanical Engineering, Hebei University of Technology, Tianjin 300401, China

Corresponding:

JI Wenbin (1985-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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