Reaction path and microstructures of Ti3SiC2/SiC composite by spark plasma sintering

Jianfeng Zhang; Lianjun Wang; Wan Jiang; Lidong Chen

doi:10.4028/0-87849-410-3.1368

Reaction path and microstructures of Ti₃SiC₂/SiC composite by spark plasma sintering

Jianfeng Zhang, Lianjun Wang, Wan Jiang, Lidong Chen

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Ti₃SiC₂/20vol%SiC composite was synthesized by spark plasma sintering (SPS) under a pressure of 50MPa at 1350°C using Ti, Si and C as starting powders. The phase constituents and microstructures of the composite were investigated. X-ray diffraction (XRD) results demonstrated that Ti reacted with C to form TiC firstly, then TiSi₂ formed from Ti and Si. The formation of Ti₃SiC₂ might come from two reactions. One was that TiSi₂, Ti and TiC reacted directly to form monolithic Ti₃SiC₂. The other one was that TiSi ₂, Ti and C reacted to form Ti₃SiC₂ and SiC. The EPMA results showed that the main phases were Ti₃SiC₂ and SiC with a minor content of TiC as impurity. TiC particles less than 1μm in diameter distributed in SiC phase.

Original language	English
Pages (from-to)	1368-1370
Number of pages	3
Journal	Key Engineering Materials
Volume	336-338 II
DOIs	https://doi.org/10.4028/0-87849-410-3.1368
Publication status	Published - 2007 Jan 1

Keywords

In-situ fabrication
SPS
TiSiC/SiC composite

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

Access to Document

10.4028/0-87849-410-3.1368

Cite this

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title = "Reaction path and microstructures of Ti3SiC2/SiC composite by spark plasma sintering",

abstract = "Ti3SiC2/20vol%SiC composite was synthesized by spark plasma sintering (SPS) under a pressure of 50MPa at 1350°C using Ti, Si and C as starting powders. The phase constituents and microstructures of the composite were investigated. X-ray diffraction (XRD) results demonstrated that Ti reacted with C to form TiC firstly, then TiSi2 formed from Ti and Si. The formation of Ti3SiC2 might come from two reactions. One was that TiSi2, Ti and TiC reacted directly to form monolithic Ti3SiC2. The other one was that TiSi 2, Ti and C reacted to form Ti3SiC2 and SiC. The EPMA results showed that the main phases were Ti3SiC2 and SiC with a minor content of TiC as impurity. TiC particles less than 1μm in diameter distributed in SiC phase.",

keywords = "In-situ fabrication, SPS, TiSiC/SiC composite",

author = "Jianfeng Zhang and Lianjun Wang and Wan Jiang and Lidong Chen",

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T1 - Reaction path and microstructures of Ti3SiC2/SiC composite by spark plasma sintering

AU - Zhang, Jianfeng

AU - Wang, Lianjun

AU - Jiang, Wan

AU - Chen, Lidong

PY - 2007/1/1

Y1 - 2007/1/1

N2 - Ti3SiC2/20vol%SiC composite was synthesized by spark plasma sintering (SPS) under a pressure of 50MPa at 1350°C using Ti, Si and C as starting powders. The phase constituents and microstructures of the composite were investigated. X-ray diffraction (XRD) results demonstrated that Ti reacted with C to form TiC firstly, then TiSi2 formed from Ti and Si. The formation of Ti3SiC2 might come from two reactions. One was that TiSi2, Ti and TiC reacted directly to form monolithic Ti3SiC2. The other one was that TiSi 2, Ti and C reacted to form Ti3SiC2 and SiC. The EPMA results showed that the main phases were Ti3SiC2 and SiC with a minor content of TiC as impurity. TiC particles less than 1μm in diameter distributed in SiC phase.

AB - Ti3SiC2/20vol%SiC composite was synthesized by spark plasma sintering (SPS) under a pressure of 50MPa at 1350°C using Ti, Si and C as starting powders. The phase constituents and microstructures of the composite were investigated. X-ray diffraction (XRD) results demonstrated that Ti reacted with C to form TiC firstly, then TiSi2 formed from Ti and Si. The formation of Ti3SiC2 might come from two reactions. One was that TiSi2, Ti and TiC reacted directly to form monolithic Ti3SiC2. The other one was that TiSi 2, Ti and C reacted to form Ti3SiC2 and SiC. The EPMA results showed that the main phases were Ti3SiC2 and SiC with a minor content of TiC as impurity. TiC particles less than 1μm in diameter distributed in SiC phase.

KW - In-situ fabrication

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KW - TiSiC/SiC composite

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