Microstructural evolution of carbon fiber reinforced SiC-based matrix composites during laser ablation process
查看参考文献37篇
文摘
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In this work, four different carbon fiber reinforced SiC-based matrix composites (C/SiC)were prepared, and microstructure evolution during laser ablation process was characterized. Laser irradiation provided a special high-temperature environment up to 3500 °C. For all four composites, different morphologies can be obtained in the transition region due to the oxidation of different matrices. While only needle-shaped carbon fiber and nanolayered carbon without any matrix remained in the central region, indicating that graphitization process occurred in the center, resulting from the high-temperature and low-oxygen environment in the laser process. Therefore, the laser ablation of C/SiC composites is controlled by chemical and physical erosion, and mainly by the physical erosion in the center. |
来源
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Journal of Materials Science & Technology
,2019,35(12):2919-2925 【核心库】
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DOI
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10.1016/j.jmst.2019.04.042
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关键词
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Ablation performance
;
C/SiC composite
;
Laser ablation
;
Mechanism
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地址
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1.
Northwestern Polytechnical University, Defense Technology Science and Technology on Thermostructural Composite Materials Laboratory, Xi'an, 710072
2.
Institute of Mechanics, Chinese Academy of Sciences, Key Laboratory for Mechanics in Fluid-Solid Coupling Systems, Chinese Academy of Sciences, Beijing, 100190
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语种
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英文 |
文献类型
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研究性论文 |
ISSN
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1005-0302 |
学科
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金属学与金属工艺 |
基金
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the supports of the National Natural Science Foundation of China
;
国家教育部高等学校学科创新引智计划项目
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文献收藏号
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CSCD:6646683
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