The influence of oxidation on crack resistance in injection moulded Cr3C2/Al2O3 composites

Ching An Jeng; Jow Lay Huang

doi:10.1016/S0955-2219(02)00363-1

The influence of oxidation on crack resistance in injection moulded Cr₃C₂/Al₂O₃ composites

Ching An Jeng, Jow Lay Huang

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

2 Citations (Scopus)

Abstract

The crack resistance (R-curve) of injection moulded Cr₃C₂/Al₂O₃ composite was studied using the indentation-strength-in-bending technique. The influence of heat treatment on the crack resistance was investigated. The oxidation layer containing alumina and alumina/chromia solid solution was in a compression of -179 and -195 MPa as evaluated by X-ray analysis and indentation method, respectively. The results were slightly different from the thermal mismatch calculation (-139 MPa). The relatively compressive, low porous oxidation layer caused significant increase in crack resistance. Crack healing could contribute also partially to crack resistance.

Original language	English
Pages (from-to)	1477-1484
Number of pages	8
Journal	Journal of the European Ceramic Society
Volume	23
Issue number	9
DOIs	https://doi.org/10.1016/S0955-2219(02)00363-1
Publication status	Published - 2003 Aug

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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10.1016/S0955-2219(02)00363-1

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title = "The influence of oxidation on crack resistance in injection moulded Cr3C2/Al2O3 composites",

abstract = "The crack resistance (R-curve) of injection moulded Cr3C2/Al2O3 composite was studied using the indentation-strength-in-bending technique. The influence of heat treatment on the crack resistance was investigated. The oxidation layer containing alumina and alumina/chromia solid solution was in a compression of -179 and -195 MPa as evaluated by X-ray analysis and indentation method, respectively. The results were slightly different from the thermal mismatch calculation (-139 MPa). The relatively compressive, low porous oxidation layer caused significant increase in crack resistance. Crack healing could contribute also partially to crack resistance.",

author = "Jeng, {Ching An} and Huang, {Jow Lay}",

note = "Funding Information: The authors would like to thank the National Science Council, Republic of China, for its support under Grant No. NSC 87-2216-E006-041. ",

year = "2003",

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T1 - The influence of oxidation on crack resistance in injection moulded Cr3C2/Al2O3 composites

AU - Jeng, Ching An

AU - Huang, Jow Lay

N1 - Funding Information: The authors would like to thank the National Science Council, Republic of China, for its support under Grant No. NSC 87-2216-E006-041.

PY - 2003/8

Y1 - 2003/8

N2 - The crack resistance (R-curve) of injection moulded Cr3C2/Al2O3 composite was studied using the indentation-strength-in-bending technique. The influence of heat treatment on the crack resistance was investigated. The oxidation layer containing alumina and alumina/chromia solid solution was in a compression of -179 and -195 MPa as evaluated by X-ray analysis and indentation method, respectively. The results were slightly different from the thermal mismatch calculation (-139 MPa). The relatively compressive, low porous oxidation layer caused significant increase in crack resistance. Crack healing could contribute also partially to crack resistance.

AB - The crack resistance (R-curve) of injection moulded Cr3C2/Al2O3 composite was studied using the indentation-strength-in-bending technique. The influence of heat treatment on the crack resistance was investigated. The oxidation layer containing alumina and alumina/chromia solid solution was in a compression of -179 and -195 MPa as evaluated by X-ray analysis and indentation method, respectively. The results were slightly different from the thermal mismatch calculation (-139 MPa). The relatively compressive, low porous oxidation layer caused significant increase in crack resistance. Crack healing could contribute also partially to crack resistance.

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JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

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The influence of oxidation on crack resistance in injection moulded Cr₃C₂/Al₂O₃ composites

Abstract

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