Effect of TiC/NbC Content on Microstructure and Mechanical Properties of Iron-based Composite Materials AITranslate
Abstract AITranslate
TiC/NbC ceramic particles(mass fractions of 50%,33.33%,25%,20%and 16.67%)were added to the iron matrix,and ceramic particle reinforced iron-based composite materials were prepared by spark plasma sintering(SPS).The microscopic morphology of the sintered samples were characterized by scanning electron microscope(SEM)and energy dispersive spectrometer(EDS),and their relative density and mechanical properties were tested.The results show that the iron-based composite material with 16.67%TiC/NbC ceramic particles has the highest relative density of 96.78%,and high Vickers hardness and flexural strength of 300 HV and 400 MPa,and its fracture shows obvious brittle fracture characteristics.SPS rapid sintering technology can make TiC/NbC ceramic particles uniformly dispersed in the iron matrix,and the interface between the reinforcement phase and the iron matrix is well combined.A small amount of TiC/NbC ceramic particles can significantly refine the matrix microstructure and enhance the strength and hardness of the iron-based composite materials.With the further increase of the content of TiC/NbC ceramic particles,their refinement effect on the matrix microstructure is weakened.
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Basic Information:
DOI：
Chinese Library Classification Number:TB333[一般工业技术—材料科学与工程]
Citation Information:
TiC/NbC ceramic particles(mass fractions of 50%,33.33%,25%,20%and 16.67%)were added to the iron matrix,and ceramic particle reinforced iron-based composite materials were prepared by spark plasma sintering(SPS).The microscopic morphology of the sintered samples were characterized by scanning electron microscope(SEM)and energy dispersive spectrometer(EDS),and their relative density and mechanical properties were tested.The results show that the iron-based composite material with 16.67%TiC/NbC ceramic particles has the highest relative density of 96.78%,and high Vickers hardness and flexural strength of 300 HV and 400 MPa,and its fracture shows obvious brittle fracture characteristics.SPS rapid sintering technology can make TiC/NbC ceramic particles uniformly dispersed in the iron matrix,and the interface between the reinforcement phase and the iron matrix is well combined.A small amount of TiC/NbC ceramic particles can significantly refine the matrix microstructure and enhance the strength and hardness of the iron-based composite materials.With the further increase of the content of TiC/NbC ceramic particles,their refinement effect on the matrix microstructure is weakened.
quote
| GB/T 7714-2015 | [1] PANG Ya-dan, CHEN Wei-peng, YANG Jia-fu, et al. Effect of TiC/NbC Content on Microstructure and Mechanical Properties of Iron-based Composite Materials[J]. Rare Metals and Cemented Carbides, 2020(3): 45-49. |
| MLA | [1] PANG Ya-dan, et al., "Effect of TiC/NbC Content on Microstructure and Mechanical Properties of Iron-based Composite Materials." Rare Metals and Cemented Carbides, no. 3, 2020, pp. 45-49. |
| APA | [1] PANG Ya-dan, CHEN Wei-peng, YANG Jia-fu, ZHAO Guang-jin, & ZHAO Zeng-wu. (2020). Effect of TiC/NbC Content on Microstructure and Mechanical Properties of Iron-based Composite Materials. Rare Metals and Cemented Carbides(3), 45-49. |
| IEEE | [1] PANG Ya-dan, CHEN Wei-peng, YANG Jia-fu, ZHAO Guang-jin, and ZHAO Zeng-wu, "Effect of TiC/NbC Content on Microstructure and Mechanical Properties of Iron-based Composite Materials," Rare Metals and Cemented Carbides, no. 3, pp. 45-49, 2020. keywords: {TiC/NbC;iron-based composite;microstructure;mechanical property;spark plasma sintering} |