Antioxidant modification of C/C composites by in situ hydrothermally synthesized 4ZnO·B2O3·H2O

Liu Qing Yang; Jian Feng Huang; He Jun Li; Li Yun Cao; Jie Fei; Hai Bo Ouyang; Jian Peng Wu; Wei Hao

doi:10.1515/secm-2013-0220

Antioxidant modification of C/C composites by in situ hydrothermally synthesized 4ZnO·B₂O₃·H₂O

Liu Qing Yang, Jian Feng Huang, He Jun Li, Li Yun Cao, Jie Fei, Hai Bo Ouyang, Jian Peng Wu, Wei Hao

School of Materials Sience and Engineering

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

Abstract

Antioxidant modification of carbon/carbon (C/C) composites by in situ hydrothermally synthesized 4ZnO·B₂O₃·H₂O was successfully achieved. Samples were characterized by X-ray diffraction, scanning electron microscopy, isothermal oxidation test and thermogravimetry/differential scanning calorimetry. The influence of hydrothermal temperature on the phase composition and microstructure of as-prepared 4ZnO·B₂O₃·H₂O, and the antioxidant modification of C/C composites were investigated. Results showed that 4ZnO·B₂O₃·H₂O crystallite coating was achieved on the surface of C/C composites at the hydrothermal temperature range of 100-180°C. A smooth and crack-free 4ZnO·B₂O₃·H₂O layer was obtained when the hydrothermal temperature reached 140°C. The isothermal oxidation test showed that the oxidation resistance of C/C composites was improved. The as-modified composites exhibited a weight loss of only 1.93 g/cm³ after oxidation at 600°C for 15 h, while the non-modified one had a weight loss of 5.20 g/cm³ after only 10 h of oxidation.

Original language	English
Pages (from-to)	433-439
Number of pages	7
Journal	Science and Engineering of Composite Materials
Volume	22
Issue number	4
DOIs	https://doi.org/10.1515/secm-2013-0220
State	Published - 1 Jul 2015

Keywords

antioxidant modification
C/C composites
hydrothermal treatment
zinc borate

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title = "Antioxidant modification of C/C composites by in situ hydrothermally synthesized 4ZnO·B2O3·H2O",

abstract = "Antioxidant modification of carbon/carbon (C/C) composites by in situ hydrothermally synthesized 4ZnO·B2O3·H2O was successfully achieved. Samples were characterized by X-ray diffraction, scanning electron microscopy, isothermal oxidation test and thermogravimetry/differential scanning calorimetry. The influence of hydrothermal temperature on the phase composition and microstructure of as-prepared 4ZnO·B2O3·H2O, and the antioxidant modification of C/C composites were investigated. Results showed that 4ZnO·B2O3·H2O crystallite coating was achieved on the surface of C/C composites at the hydrothermal temperature range of 100-180°C. A smooth and crack-free 4ZnO·B2O3·H2O layer was obtained when the hydrothermal temperature reached 140°C. The isothermal oxidation test showed that the oxidation resistance of C/C composites was improved. The as-modified composites exhibited a weight loss of only 1.93 g/cm3 after oxidation at 600°C for 15 h, while the non-modified one had a weight loss of 5.20 g/cm3 after only 10 h of oxidation.",

keywords = "antioxidant modification, C/C composites, hydrothermal treatment, zinc borate",

author = "Yang, {Liu Qing} and Huang, {Jian Feng} and Li, {He Jun} and Cao, {Li Yun} and Jie Fei and Ouyang, {Hai Bo} and Wu, {Jian Peng} and Wei Hao",

note = "Publisher Copyright: {\textcopyright} 2015 by De Gruyter.",

year = "2015",

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doi = "10.1515/secm-2013-0220",

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T1 - Antioxidant modification of C/C composites by in situ hydrothermally synthesized 4ZnO·B2O3·H2O

AU - Yang, Liu Qing

AU - Huang, Jian Feng

AU - Li, He Jun

AU - Cao, Li Yun

AU - Fei, Jie

AU - Ouyang, Hai Bo

AU - Wu, Jian Peng

AU - Hao, Wei

PY - 2015/7/1

Y1 - 2015/7/1

N2 - Antioxidant modification of carbon/carbon (C/C) composites by in situ hydrothermally synthesized 4ZnO·B2O3·H2O was successfully achieved. Samples were characterized by X-ray diffraction, scanning electron microscopy, isothermal oxidation test and thermogravimetry/differential scanning calorimetry. The influence of hydrothermal temperature on the phase composition and microstructure of as-prepared 4ZnO·B2O3·H2O, and the antioxidant modification of C/C composites were investigated. Results showed that 4ZnO·B2O3·H2O crystallite coating was achieved on the surface of C/C composites at the hydrothermal temperature range of 100-180°C. A smooth and crack-free 4ZnO·B2O3·H2O layer was obtained when the hydrothermal temperature reached 140°C. The isothermal oxidation test showed that the oxidation resistance of C/C composites was improved. The as-modified composites exhibited a weight loss of only 1.93 g/cm3 after oxidation at 600°C for 15 h, while the non-modified one had a weight loss of 5.20 g/cm3 after only 10 h of oxidation.

AB - Antioxidant modification of carbon/carbon (C/C) composites by in situ hydrothermally synthesized 4ZnO·B2O3·H2O was successfully achieved. Samples were characterized by X-ray diffraction, scanning electron microscopy, isothermal oxidation test and thermogravimetry/differential scanning calorimetry. The influence of hydrothermal temperature on the phase composition and microstructure of as-prepared 4ZnO·B2O3·H2O, and the antioxidant modification of C/C composites were investigated. Results showed that 4ZnO·B2O3·H2O crystallite coating was achieved on the surface of C/C composites at the hydrothermal temperature range of 100-180°C. A smooth and crack-free 4ZnO·B2O3·H2O layer was obtained when the hydrothermal temperature reached 140°C. The isothermal oxidation test showed that the oxidation resistance of C/C composites was improved. The as-modified composites exhibited a weight loss of only 1.93 g/cm3 after oxidation at 600°C for 15 h, while the non-modified one had a weight loss of 5.20 g/cm3 after only 10 h of oxidation.

KW - antioxidant modification

KW - C/C composites

KW - hydrothermal treatment

KW - zinc borate

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Antioxidant modification of C/C composites by in situ hydrothermally synthesized 4ZnO·B₂O₃·H₂O

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