Effect of temperature gradient on the ablation and flexural behavior of C/C-ZrC composites

Tianyu Liu; Qiangang Fu; Bing Liu; Jiaping Zhang

doi:10.1016/j.corsci.2021.109736

Effect of temperature gradient on the ablation and flexural behavior of C/C-ZrC composites

Tianyu Liu, Qiangang Fu, Bing Liu, Jiaping Zhang

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

32 Scopus citations

Abstract

A new ablation condition was designed to investigate the effect of temperature gradient on the ablation and flexural behavior of the C/C-ZrC composites. The sample not only suffers the gradient temperature ablation ranging from 1000 to 2000 ℃ but withstands flexural load caused by the high-speed airflow scouring. The volume ablation rate of the C/C-ZrC was 0.06 mm³/s, which was only 6.81 % of the rate of the C/C. The volume change caused by ZrC→ZrO₂ together with the ZrO₂ crystalline transformation was beneficial for releasing internal stress, thereby contributing to the higher flexural strength retention of the C/C-ZrC composites.

Original language	English
Article number	109736
Journal	Corrosion Science
Volume	191
DOIs	https://doi.org/10.1016/j.corsci.2021.109736
State	Published - Oct 2021

Keywords

C/C-ZrC composites
Flexural strength
Gradient ablation

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10.1016/j.corsci.2021.109736

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title = "Effect of temperature gradient on the ablation and flexural behavior of C/C-ZrC composites",

abstract = "A new ablation condition was designed to investigate the effect of temperature gradient on the ablation and flexural behavior of the C/C-ZrC composites. The sample not only suffers the gradient temperature ablation ranging from 1000 to 2000 ℃ but withstands flexural load caused by the high-speed airflow scouring. The volume ablation rate of the C/C-ZrC was 0.06 mm3/s, which was only 6.81 % of the rate of the C/C. The volume change caused by ZrC→ZrO2 together with the ZrO2 crystalline transformation was beneficial for releasing internal stress, thereby contributing to the higher flexural strength retention of the C/C-ZrC composites.",

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author = "Tianyu Liu and Qiangang Fu and Bing Liu and Jiaping Zhang",

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year = "2021",

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AU - Liu, Tianyu

AU - Fu, Qiangang

AU - Liu, Bing

AU - Zhang, Jiaping

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Y1 - 2021/10

N2 - A new ablation condition was designed to investigate the effect of temperature gradient on the ablation and flexural behavior of the C/C-ZrC composites. The sample not only suffers the gradient temperature ablation ranging from 1000 to 2000 ℃ but withstands flexural load caused by the high-speed airflow scouring. The volume ablation rate of the C/C-ZrC was 0.06 mm3/s, which was only 6.81 % of the rate of the C/C. The volume change caused by ZrC→ZrO2 together with the ZrO2 crystalline transformation was beneficial for releasing internal stress, thereby contributing to the higher flexural strength retention of the C/C-ZrC composites.

AB - A new ablation condition was designed to investigate the effect of temperature gradient on the ablation and flexural behavior of the C/C-ZrC composites. The sample not only suffers the gradient temperature ablation ranging from 1000 to 2000 ℃ but withstands flexural load caused by the high-speed airflow scouring. The volume ablation rate of the C/C-ZrC was 0.06 mm3/s, which was only 6.81 % of the rate of the C/C. The volume change caused by ZrC→ZrO2 together with the ZrO2 crystalline transformation was beneficial for releasing internal stress, thereby contributing to the higher flexural strength retention of the C/C-ZrC composites.

KW - C/C-ZrC composites

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DO - 10.1016/j.corsci.2021.109736

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VL - 191

JO - Corrosion Science

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Effect of temperature gradient on the ablation and flexural behavior of C/C-ZrC composites

Abstract

Keywords

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