Standard

The peculiarities in oxidation behavior of the ZrB2-SiC ceramics with chromium additive. / Bannykh, D.; Utkin, A.; Baklanova, N.

In: International Journal of Refractory Metals and Hard Materials, Vol. 84, 105023, 01.11.2019.

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

Harvard

Bannykh, D, Utkin, A & Baklanova, N 2019, 'The peculiarities in oxidation behavior of the ZrB2-SiC ceramics with chromium additive', International Journal of Refractory Metals and Hard Materials, vol. 84, 105023. https://doi.org/10.1016/j.ijrmhm.2019.105023

APA

Bannykh, D., Utkin, A., & Baklanova, N. (2019). The peculiarities in oxidation behavior of the ZrB2-SiC ceramics with chromium additive. International Journal of Refractory Metals and Hard Materials, 84, [105023]. https://doi.org/10.1016/j.ijrmhm.2019.105023

Vancouver

Bannykh D, Utkin A, Baklanova N. The peculiarities in oxidation behavior of the ZrB2-SiC ceramics with chromium additive. International Journal of Refractory Metals and Hard Materials. 2019 Nov 1;84:105023. doi: 10.1016/j.ijrmhm.2019.105023

Author

Bannykh, D. ; Utkin, A. ; Baklanova, N. / The peculiarities in oxidation behavior of the ZrB2-SiC ceramics with chromium additive. In: International Journal of Refractory Metals and Hard Materials. 2019 ; Vol. 84.

BibTeX

@article{1c94cc4052654da3baf703cd4e3a40ea,
title = "The peculiarities in oxidation behavior of the ZrB2-SiC ceramics with chromium additive",
abstract = "ZrB2-SiC-Cr powder sintering at 1600 °C and its oxidation behavior at 1000–1500 °C in air were studied as a function of chromium content. It was shown that the relative density of the ZrB2-SiC ceramics increases with an increase in chromium content in the powdered mixture. This is related to the formation of the liquid Cr-Si-C-B phase during the high-temperature interaction of SiC with chromium and ZrB2. It was stated that the mechanism of ZrB2-SiC-Cr ceramics oxidation is changed from bulk to passive. The oxidation resistance is improved for the ceramics with 13% of chromium or less, which can be explained by a decrease in its porosity. The ceramics with higher chromium content demonstrates the opposite effect, namely, large-size Cr2O3 crystals are formed during oxidation, this promotes microcracking in the oxidizing layer and causes damage of surface integrity. As a result, the oxidation resistance of the ZrB2-SiC-Cr ceramics with high chromium content is decreased.",
keywords = "Borides, Chromium, Oxidation, Silicon carbide, Sintering, Thermal properties, DENSIFICATION, TEMPERATURE, KINETICS, MICROSTRUCTURE, HFB2",
author = "D. Bannykh and A. Utkin and N. Baklanova",
note = "Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd",
year = "2019",
month = nov,
day = "1",
doi = "10.1016/j.ijrmhm.2019.105023",
language = "English",
volume = "84",
journal = "International Journal of Refractory Metals and Hard Materials",
issn = "0958-0611",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The peculiarities in oxidation behavior of the ZrB2-SiC ceramics with chromium additive

AU - Bannykh, D.

AU - Utkin, A.

AU - Baklanova, N.

N1 - Publisher Copyright: © 2019 Elsevier Ltd

PY - 2019/11/1

Y1 - 2019/11/1

N2 - ZrB2-SiC-Cr powder sintering at 1600 °C and its oxidation behavior at 1000–1500 °C in air were studied as a function of chromium content. It was shown that the relative density of the ZrB2-SiC ceramics increases with an increase in chromium content in the powdered mixture. This is related to the formation of the liquid Cr-Si-C-B phase during the high-temperature interaction of SiC with chromium and ZrB2. It was stated that the mechanism of ZrB2-SiC-Cr ceramics oxidation is changed from bulk to passive. The oxidation resistance is improved for the ceramics with 13% of chromium or less, which can be explained by a decrease in its porosity. The ceramics with higher chromium content demonstrates the opposite effect, namely, large-size Cr2O3 crystals are formed during oxidation, this promotes microcracking in the oxidizing layer and causes damage of surface integrity. As a result, the oxidation resistance of the ZrB2-SiC-Cr ceramics with high chromium content is decreased.

AB - ZrB2-SiC-Cr powder sintering at 1600 °C and its oxidation behavior at 1000–1500 °C in air were studied as a function of chromium content. It was shown that the relative density of the ZrB2-SiC ceramics increases with an increase in chromium content in the powdered mixture. This is related to the formation of the liquid Cr-Si-C-B phase during the high-temperature interaction of SiC with chromium and ZrB2. It was stated that the mechanism of ZrB2-SiC-Cr ceramics oxidation is changed from bulk to passive. The oxidation resistance is improved for the ceramics with 13% of chromium or less, which can be explained by a decrease in its porosity. The ceramics with higher chromium content demonstrates the opposite effect, namely, large-size Cr2O3 crystals are formed during oxidation, this promotes microcracking in the oxidizing layer and causes damage of surface integrity. As a result, the oxidation resistance of the ZrB2-SiC-Cr ceramics with high chromium content is decreased.

KW - Borides

KW - Chromium

KW - Oxidation

KW - Silicon carbide

KW - Sintering

KW - Thermal properties

KW - DENSIFICATION

KW - TEMPERATURE

KW - KINETICS

KW - MICROSTRUCTURE

KW - HFB2

UR - http://www.scopus.com/inward/record.url?scp=85069711661&partnerID=8YFLogxK

U2 - 10.1016/j.ijrmhm.2019.105023

DO - 10.1016/j.ijrmhm.2019.105023

M3 - Article

AN - SCOPUS:85069711661

VL - 84

JO - International Journal of Refractory Metals and Hard Materials

JF - International Journal of Refractory Metals and Hard Materials

SN - 0958-0611

M1 - 105023

ER -

ID: 21048111