Investigation on the ablation performance and mechanism of HfC coating modified with TaC

Guanghui Feng; Hejun Li; Li Yang; Bo Li; Jianwei Xu; Xiyuan Yao

doi:10.1016/j.corsci.2020.108649

Investigation on the ablation performance and mechanism of HfC coating modified with TaC

Guanghui Feng, Hejun Li, Li Yang, Bo Li, Jianwei Xu, Xiyuan Yao

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

82 Scopus citations

Abstract

HfC coatings modified with different TaC contents were designed and successfully deposited on SiC-coated carbon/carbon (C/C) composites by supersonic atmosphere plasma spraying. The phase composition, morphology, and ablation resistance were surveyed, and the structural evolution of the oxide layer was studied as well. Results indicated that HfC coating with 10 vol.% TaC exhibited superior ablation resistance compared with the other compositions, as proved by the ablation rates and surface morphologies. The optical HfC/TaC volume fraction offers an oxide layer with adequate unmelted particles (HfO₂ and Hf₆Ta₂O₁₇) withstanding airflow scouring and moderate liquid phase (Ta₂O₅) impeding oxygen infiltration.

Original language	English
Article number	108649
Journal	Corrosion Science
Volume	170
DOIs	https://doi.org/10.1016/j.corsci.2020.108649
State	Published - 1 Jul 2020

Keywords

Ablation performance
HfC coating
Supersonic atmosphere plasma spraying
TaC

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10.1016/j.corsci.2020.108649

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title = "Investigation on the ablation performance and mechanism of HfC coating modified with TaC",

abstract = "HfC coatings modified with different TaC contents were designed and successfully deposited on SiC-coated carbon/carbon (C/C) composites by supersonic atmosphere plasma spraying. The phase composition, morphology, and ablation resistance were surveyed, and the structural evolution of the oxide layer was studied as well. Results indicated that HfC coating with 10 vol.% TaC exhibited superior ablation resistance compared with the other compositions, as proved by the ablation rates and surface morphologies. The optical HfC/TaC volume fraction offers an oxide layer with adequate unmelted particles (HfO2 and Hf6Ta2O17) withstanding airflow scouring and moderate liquid phase (Ta2O5) impeding oxygen infiltration.",

keywords = "Ablation performance, HfC coating, Supersonic atmosphere plasma spraying, TaC",

author = "Guanghui Feng and Hejun Li and Li Yang and Bo Li and Jianwei Xu and Xiyuan Yao",

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doi = "10.1016/j.corsci.2020.108649",

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TY - JOUR

T1 - Investigation on the ablation performance and mechanism of HfC coating modified with TaC

AU - Feng, Guanghui

AU - Li, Hejun

AU - Yang, Li

AU - Li, Bo

AU - Xu, Jianwei

AU - Yao, Xiyuan

PY - 2020/7/1

Y1 - 2020/7/1

N2 - HfC coatings modified with different TaC contents were designed and successfully deposited on SiC-coated carbon/carbon (C/C) composites by supersonic atmosphere plasma spraying. The phase composition, morphology, and ablation resistance were surveyed, and the structural evolution of the oxide layer was studied as well. Results indicated that HfC coating with 10 vol.% TaC exhibited superior ablation resistance compared with the other compositions, as proved by the ablation rates and surface morphologies. The optical HfC/TaC volume fraction offers an oxide layer with adequate unmelted particles (HfO2 and Hf6Ta2O17) withstanding airflow scouring and moderate liquid phase (Ta2O5) impeding oxygen infiltration.

AB - HfC coatings modified with different TaC contents were designed and successfully deposited on SiC-coated carbon/carbon (C/C) composites by supersonic atmosphere plasma spraying. The phase composition, morphology, and ablation resistance were surveyed, and the structural evolution of the oxide layer was studied as well. Results indicated that HfC coating with 10 vol.% TaC exhibited superior ablation resistance compared with the other compositions, as proved by the ablation rates and surface morphologies. The optical HfC/TaC volume fraction offers an oxide layer with adequate unmelted particles (HfO2 and Hf6Ta2O17) withstanding airflow scouring and moderate liquid phase (Ta2O5) impeding oxygen infiltration.

KW - Ablation performance

KW - HfC coating

KW - Supersonic atmosphere plasma spraying

KW - TaC

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U2 - 10.1016/j.corsci.2020.108649

DO - 10.1016/j.corsci.2020.108649

M3 - 文章

AN - SCOPUS:85083327744

SN - 0010-938X

VL - 170

JO - Corrosion Science

JF - Corrosion Science

M1 - 108649

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Investigation on the ablation performance and mechanism of HfC coating modified with TaC

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Keywords

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