Ablation Performance of C/SiC-ZrC Composites
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C/SiC-ZrC composites prepared by CVD and PIC methods demonstrated improved ablation resistance under cyclic oxyacetylene flame ablation compared to single ablation, evidenced by lower ablation rates and less severe surface damage.
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The study investigated ablation performance of C/SiC-ZrC composites prepared by chemical vapor deposition and precursor impregnation cracking, comparing single and cyclic ablation using an oxyacetylene flame and measuring ablation parameters plus macroscopic and microscopic morphology. Across ablation time, line and mass ablation rates decreased, and cyclic ablation produced lower linear and mass ablation rates than single ablation (12% and 24.2% lower, respectively). Under the same ablation time, cyclic ablation resulted in shallower, more evenly distributed pits attributed to high-temperature airflow ablation, and material characterization indicated a surface white oxide layer of SiO2 and ZrO2 with oxide-wrapped carbon fibers, improving ablation resistance. As a preprint on Research Square, the paper states it has not been peer reviewed by a journal. The paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.
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Abstract
To reveal the ablation performance of C/SiC-ZrC composites under different ablation methods, C/SiC-ZrC composites were prepared by chemical vapor deposition and precursor impregnation cracking methods. Single ablation and cyclic ablation tests were conducted on C/SiC-ZrC composites using an oxyacetylene flame to obtain ablation parameters and macroscopic and microscopic ablation morphology for different ablation methods. The results show that the line ablation rate and mass ablation rate of different ablation methods decrease with increasing time; The linear ablation rate and mass ablation rate of cyclic ablation are 12% and 24.2% lower than those of single ablation; Within the same ablation time, the C/SiC-ZrC composites subjected to cyclic ablation has shallower and more evenly distributed pits caused by high-temperature airflow ablation; The material surface has a white oxide layer composed of SiO 2 and ZrO 2 , and the carbon fibers inside are wrapped by oxide particles, which improves the ablation resistance of C/SiC-ZrC composites.
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Ablation Performance of C/SiC-ZrC Composites | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Ablation Performance of C/SiC-ZrC Composites GE Hailang, Lu ZHANG, DU Jinkang, FENG Fanjie, GAO Xiguang, SONG Yingdong This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4096741/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract To reveal the ablation performance of C/SiC-ZrC composites under different ablation methods, C/SiC-ZrC composites were prepared by chemical vapor deposition and precursor impregnation cracking methods. Single ablation and cyclic ablation tests were conducted on C/SiC-ZrC composites using an oxyacetylene flame to obtain ablation parameters and macroscopic and microscopic ablation morphology for different ablation methods. The results show that the line ablation rate and mass ablation rate of different ablation methods decrease with increasing time; The linear ablation rate and mass ablation rate of cyclic ablation are 12% and 24.2% lower than those of single ablation; Within the same ablation time, the C/SiC-ZrC composites subjected to cyclic ablation has shallower and more evenly distributed pits caused by high-temperature airflow ablation; The material surface has a white oxide layer composed of SiO 2 and ZrO 2 , and the carbon fibers inside are wrapped by oxide particles, which improves the ablation resistance of C/SiC-ZrC composites. C/SiC-ZrC composites Cyclic ablation Microscopic structure Ablation mechanism Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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