Microstructure, mechanical, and thermal properties of in situ-synthesized (ZrB2+SiC)/Zr2[Al(Si)]4C5 composites

D. D. Guo; J. Yang; L. Yu; L. M. Pan; T. Qiu; J. X. Zhang

doi:10.1016/j.ceramint.2013.04.013

Microstructure, mechanical, and thermal properties of in situ-synthesized (ZrB₂+SiC)/Zr₂[Al(Si)]₄C₅ composites

D. D. Guo, J. Yang, L. Yu, L. M. Pan, T. Qiu, J. X. Zhang

College of Materials Science and Engineering

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

4 Scopus citations

Abstract

Based on thermodynamic analysis, densified 30 vol% (ZrB₂+SiC)/ Zr₂[Al(Si)]₄C₅ composites were prepared by in situ hot pressing at 1850 °C. The microstructure, mechanical, and thermal properties of the composites were characterized. As reinforcements, ZrB ₂ and SiC incorporated by in situ reaction significantly improved the mechanical and thermal properties of Z₂[Al(Si)]₄C ₅. Compared with monolithic Z₂[Al(Si)]₄C ₅, the composite showed superior Young's modulus (425 GPa), room temperature flexural strength (621±33 MPa), high-temperature flexural strength (404±13 MPa, 1300° C, air), fracture toughness (7.85±0.29 MPa m^1/2), and Vickers hardness (16.7±0.4 GPa). The composite also exhibited a similar heat capacity to but significantly higher thermal conductivity than Z₂[Al(Si)]₄C₅.

Original language	English
Pages (from-to)	8559-8563
Number of pages	5
Journal	Ceramics International
Volume	39
Issue number	7
DOIs	https://doi.org/10.1016/j.ceramint.2013.04.013
State	Published - Sep 2013

Keywords

C. Mechanical properties
C. Thermal properties
In situ synthesis (ZrB +SiC)/Zr[Al(Si)]C composites

Access to Document

10.1016/j.ceramint.2013.04.013

Cite this

@article{efcafc90f7384f1f8e9db41cd0cbd5c4,

title = "Microstructure, mechanical, and thermal properties of in situ-synthesized (ZrB2+SiC)/Zr2[Al(Si)]4C5 composites",

abstract = "Based on thermodynamic analysis, densified 30 vol% (ZrB2+SiC)/ Zr2[Al(Si)]4C5 composites were prepared by in situ hot pressing at 1850 °C. The microstructure, mechanical, and thermal properties of the composites were characterized. As reinforcements, ZrB 2 and SiC incorporated by in situ reaction significantly improved the mechanical and thermal properties of Z2[Al(Si)]4C 5. Compared with monolithic Z2[Al(Si)]4C 5, the composite showed superior Young's modulus (425 GPa), room temperature flexural strength (621±33 MPa), high-temperature flexural strength (404±13 MPa, 1300° C, air), fracture toughness (7.85±0.29 MPa m1/2), and Vickers hardness (16.7±0.4 GPa). The composite also exhibited a similar heat capacity to but significantly higher thermal conductivity than Z2[Al(Si)]4C5.",

keywords = "C. Mechanical properties, C. Thermal properties, In situ synthesis (ZrB +SiC)/Zr[Al(Si)]C composites",

author = "Guo, {D. D.} and J. Yang and L. Yu and Pan, {L. M.} and T. Qiu and Zhang, {J. X.}",

year = "2013",

month = sep,

doi = "10.1016/j.ceramint.2013.04.013",

language = "英语",

volume = "39",

pages = "8559--8563",

journal = "Ceramics International",

issn = "0272-8842",

publisher = "Elsevier Ltd",

number = "7",

}

TY - JOUR

T1 - Microstructure, mechanical, and thermal properties of in situ-synthesized (ZrB2+SiC)/Zr2[Al(Si)]4C5 composites

AU - Guo, D. D.

AU - Yang, J.

AU - Yu, L.

AU - Pan, L. M.

AU - Qiu, T.

AU - Zhang, J. X.

PY - 2013/9

Y1 - 2013/9

N2 - Based on thermodynamic analysis, densified 30 vol% (ZrB2+SiC)/ Zr2[Al(Si)]4C5 composites were prepared by in situ hot pressing at 1850 °C. The microstructure, mechanical, and thermal properties of the composites were characterized. As reinforcements, ZrB 2 and SiC incorporated by in situ reaction significantly improved the mechanical and thermal properties of Z2[Al(Si)]4C 5. Compared with monolithic Z2[Al(Si)]4C 5, the composite showed superior Young's modulus (425 GPa), room temperature flexural strength (621±33 MPa), high-temperature flexural strength (404±13 MPa, 1300° C, air), fracture toughness (7.85±0.29 MPa m1/2), and Vickers hardness (16.7±0.4 GPa). The composite also exhibited a similar heat capacity to but significantly higher thermal conductivity than Z2[Al(Si)]4C5.

AB - Based on thermodynamic analysis, densified 30 vol% (ZrB2+SiC)/ Zr2[Al(Si)]4C5 composites were prepared by in situ hot pressing at 1850 °C. The microstructure, mechanical, and thermal properties of the composites were characterized. As reinforcements, ZrB 2 and SiC incorporated by in situ reaction significantly improved the mechanical and thermal properties of Z2[Al(Si)]4C 5. Compared with monolithic Z2[Al(Si)]4C 5, the composite showed superior Young's modulus (425 GPa), room temperature flexural strength (621±33 MPa), high-temperature flexural strength (404±13 MPa, 1300° C, air), fracture toughness (7.85±0.29 MPa m1/2), and Vickers hardness (16.7±0.4 GPa). The composite also exhibited a similar heat capacity to but significantly higher thermal conductivity than Z2[Al(Si)]4C5.

KW - C. Mechanical properties

KW - C. Thermal properties

KW - In situ synthesis (ZrB +SiC)/Zr[Al(Si)]C composites

UR - http://www.scopus.com/inward/record.url?scp=84880297834&partnerID=8YFLogxK

U2 - 10.1016/j.ceramint.2013.04.013

DO - 10.1016/j.ceramint.2013.04.013

M3 - 文章

AN - SCOPUS:84880297834

SN - 0272-8842

VL - 39

SP - 8559

EP - 8563

JO - Ceramics International

JF - Ceramics International

IS - 7

ER -

Microstructure, mechanical, and thermal properties of in situ-synthesized (ZrB₂+SiC)/Zr₂[Al(Si)]₄C₅ composites

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this