粒子侵蚀对碳/碳-碳化硅复合材料烧蚀性能的影响

王德文; 洪兴; 陈昊

doi:10.15892/j.cnki.djzdxb.2021.03.029

弹箭与制导学报 >

2021 , Vol. 41 >Issue 3: 133 - 136

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2021.03.029

粒子侵蚀对碳/碳-碳化硅复合材料烧蚀性能的影响

王德文 ,
洪兴 ,
陈昊

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西京学院,西安 710123

王德文(1976—),男,辽宁大连人,副教授,博士,研究方向:C/C复合材料烧蚀性能。

收稿日期: 2020-10-13

网络出版日期: 2025-02-20

基金资助

国家科技重大专项(2017ZX04011010)

西京学院基金项目(XJ170125)

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Research on the Ablation Properties of C/C-SiC Composites in the Particle Erosion Flow

WANG Dewen ,
HONG Xing ,
CHEN Hao

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Xijing University, Xi’an 710123, China

Received date: 2020-10-13

Online published: 2025-02-20

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摘要

为研究碳/碳-碳化硅复合材料(C/C-SiC)的抗机械侵蚀性能,将C/C-SiC复合材料试件置于含粒子的射流中做粒子侵蚀试验,测定试件在不同工况下的侵蚀率;对试件侵蚀后的表面和内部的微观形貌分别采用扫描电镜(SEM)和微CT进行观察,并分析损耗机理。结果表明:复合材料在含粒子时的线侵蚀率是不含粒子时的烧蚀率的2.24倍,含粒子的质量侵蚀率是不含粒子的烧蚀率的1.8倍,粒子侵蚀对试件的消耗起到了决定性的作用;复合材料在机械侵蚀作用下发生脆性破坏。

关键词： 粒子侵蚀; 碳/碳-碳化硅复合材料; 侵蚀率; 机理

本文引用格式

王德文 , 洪兴 , 陈昊 . 粒子侵蚀对碳/碳-碳化硅复合材料烧蚀性能的影响[J]. 弹箭与制导学报, 2021 , 41(3) : 133 -136 . DOI: 10.15892/j.cnki.djzdxb.2021.03.029

Abstract

In order to study the mechanism of C/C-SiC composites, the C/C-SiC composite specimens are placed in the jet containing particles, and the erosion rate of the specimens under different working conditions is measured; the surface and internal micro morphology of the specimens after erosion are observed by scanning electron microscopy (SEM) and micro CT, and the erosion mechanism is analyzed. The results show that the linear erosion rate is 2.24 times of the ablative rate, and the mass erosion rate is 1.8 times of the ablative rate. The particle erosion plays a decisive role in the consumption of the specimen; the brittle failure of the composite occurs under the mechanical erosion.

Key words： particle erosion; C/C-SiC composite material; erosion rate; mechanism

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