Effect of Si element on the interfacial reaction of Ti3SiC2 reinforced Al matrix aomposites | Zendy

Jianbo Zhang | Zendy; Yiming Jin | Zendy; Xucun Man | Zendy; Hao Zeng | Zendy; Jinping Liu | Zendy; Xuehui Zhang | Zendy

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Effect of Si element on the interfacial reaction of Ti₃SiC₂ reinforced Al matrix aomposites

Author(s) -

Jianbo Zhang,

Yiming Jin,

Xucun Man,

Hao Zeng,

Jinping Liu,

Xuehui Zhang

Publication year - 2021

Publication title -

materials research express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.383

H-Index - 35

ISSN - 2053-1591

DOI - 10.1088/2053-1591/abde4e

Subject(s) - materials science , matrix (chemical analysis) , element (criminal law) , composite material , law , political science

The interfacial reaction behavior of Ti 3 SiC 2 /Al andTi 3 SiC 2 /Al-10si matrix composites at high temperature was studied by XRD and SEM. The results showed that the reaction between Ti 3 SiC 2 and Al matrix is Ti 3 SiC 2 + Al → TiCx + Si + Al 3 Ti . Ti 3 SiC 2 particles in the Ti 3 SiC 2 /Al composite were almost completely reacted after 700 °C/1 h treatment, whilea large amount of Ti 3 SiC 2 particles still existed in the Ti 3 SiC 2 /Al-10Si composite under the same treatment condition. In addition, the friction coefficient and wear amount of Ti 3 SiC 2 /Al composite were 0.54 and 0.167 g, respectively, and that in Ti 3 SiC 2 /Al-10Simatrix composites were 0.29 and 0.019 g. According to the critical condition of ΔG = 0, it is calculated that when the activity of Si is greater than 0.57, the interfacial reaction between Ti 3 SiC 2 and Al matrix is inhibited.

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