B4C/CeB6 composite ceramic prepared by spark plasma sintering

Chuan Sun; Yunkai Li; Yunfei Wang; Jianbin Guo; Quanzhen Jiang

B₄C/CeB₆ composite ceramic prepared by spark plasma sintering

Chuan Sun^*, Yunkai Li, Yunfei Wang, Jianbin Guo, Quanzhen Jiang

^*Corresponding author for this work

School of Material Science and Engineering

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

2 Citations (Scopus)

Abstract

Dense B₄C matrix composites were synthesized by a spark plasma sintering (SPS) process using CeO₂ powder as the sintering aid. The effects of CeO₂ on densification and properties of B₄C were studied, and it was compared with the specimen without additive. X-ray diffraction and scanning electron microscopy were employed to examine the phase and microstructure of the composites, respectively. The results indicate that the addition of CeO₂ powder can significantly improve the sintering property of B₄C. The relative density of the samples increases because the generated CeB₆ between B₄C grains. The specimen with 4wt% CeO₂ sintered at 1750℃ under 35 MPa exhibits the highest relative density of 96.7% and Rockwell hardness of 89.6.

Original language	English
Pages (from-to)	2071-2074
Number of pages	4
Journal	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume	45
Issue number	8
Publication status	Published - 1 Aug 2016

Keywords

Boron carbide
Cerium hexaboride
Cerium oxide
Densification
SPS

Cite this

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title = "B4C/CeB6 composite ceramic prepared by spark plasma sintering",

abstract = "Dense B4C matrix composites were synthesized by a spark plasma sintering (SPS) process using CeO2 powder as the sintering aid. The effects of CeO2 on densification and properties of B4C were studied, and it was compared with the specimen without additive. X-ray diffraction and scanning electron microscopy were employed to examine the phase and microstructure of the composites, respectively. The results indicate that the addition of CeO2 powder can significantly improve the sintering property of B4C. The relative density of the samples increases because the generated CeB6 between B4C grains. The specimen with 4wt% CeO2 sintered at 1750℃ under 35 MPa exhibits the highest relative density of 96.7% and Rockwell hardness of 89.6.",

keywords = "Boron carbide, Cerium hexaboride, Cerium oxide, Densification, SPS",

author = "Chuan Sun and Yunkai Li and Yunfei Wang and Jianbin Guo and Quanzhen Jiang",

year = "2016",

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pages = "2071--2074",

journal = "Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering",

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TY - JOUR

T1 - B4C/CeB6 composite ceramic prepared by spark plasma sintering

AU - Sun, Chuan

AU - Li, Yunkai

AU - Wang, Yunfei

AU - Guo, Jianbin

AU - Jiang, Quanzhen

PY - 2016/8/1

Y1 - 2016/8/1

N2 - Dense B4C matrix composites were synthesized by a spark plasma sintering (SPS) process using CeO2 powder as the sintering aid. The effects of CeO2 on densification and properties of B4C were studied, and it was compared with the specimen without additive. X-ray diffraction and scanning electron microscopy were employed to examine the phase and microstructure of the composites, respectively. The results indicate that the addition of CeO2 powder can significantly improve the sintering property of B4C. The relative density of the samples increases because the generated CeB6 between B4C grains. The specimen with 4wt% CeO2 sintered at 1750℃ under 35 MPa exhibits the highest relative density of 96.7% and Rockwell hardness of 89.6.

AB - Dense B4C matrix composites were synthesized by a spark plasma sintering (SPS) process using CeO2 powder as the sintering aid. The effects of CeO2 on densification and properties of B4C were studied, and it was compared with the specimen without additive. X-ray diffraction and scanning electron microscopy were employed to examine the phase and microstructure of the composites, respectively. The results indicate that the addition of CeO2 powder can significantly improve the sintering property of B4C. The relative density of the samples increases because the generated CeB6 between B4C grains. The specimen with 4wt% CeO2 sintered at 1750℃ under 35 MPa exhibits the highest relative density of 96.7% and Rockwell hardness of 89.6.

KW - Boron carbide

KW - Cerium hexaboride

KW - Cerium oxide

KW - Densification

KW - SPS

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M3 - Article

AN - SCOPUS:84985916226

SN - 1002-185X

VL - 45

SP - 2071

EP - 2074

JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

IS - 8

ER -

B₄C/CeB₆ composite ceramic prepared by spark plasma sintering

Abstract

Keywords

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