دورية أكاديمية
A THERMO-DAMAGE STRENGTH MODEL FOR THE SiC-DEPLETED LAYER OF ULTRA-HIGH-TEMPERATURE CERAMICS ON HIGH TEMPERATURE OXIDATION
| العنوان: | A THERMO-DAMAGE STRENGTH MODEL FOR THE SiC-DEPLETED LAYER OF ULTRA-HIGH-TEMPERATURE CERAMICS ON HIGH TEMPERATURE OXIDATION |
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| المؤلفون: | Wang, Ruzhuan, Li, Weiguo, Fang, Daining |
| المساهمون: | Wang, RH (reprint author), Chongqing Univ, Coll Resources & Environm Sci, State Key Lab Coal Mine Disaster Dynam & Control, Chongqing 400030, Peoples R China., Chongqing Univ, Coll Resources & Environm Sci, State Key Lab Coal Mine Disaster Dynam & Control, Chongqing 400030, Peoples R China., Peking Univ, LTCS, Beijing 100871, Peoples R China., Peking Univ, Coll Engn, Beijing 100871, Peoples R China. |
| المصدر: | SCI ; EI |
| بيانات النشر: | international journal of applied mechanics |
| سنة النشر: | 2013 |
| المجموعة: | Peking University Institutional Repository (PKU IR) / 北京大学机构知识库 |
| مصطلحات موضوعية: | Ultra-high-temperature ceramics, the SiC-depleted layer, high temperature oxidation, thermo-damage strength, model, DIBORIDE-SILICON CARBIDE, MECHANICAL-PROPERTIES, ZIRCONIUM, COMPOSITES, MICROSTRUCTURE, ZRB2, FRACTURE, RANGE, AIR |
| الوصف: | At high temperatures above 1650 degrees C, the SiC-depleted layer of ultra-high-temperature ceramics which has high porosity appears during the oxidation process. In this present paper, based on the studies of the oxidative mechanisms and the fracture mechanisms of ultra-high-temperature ceramics under normal and high temperatures, a thermo-damage strength model for the SiC-depleted layer on high temperature oxidation was proposed. Using the model, the phase transformation, microstructure development and fracture performance in the SiC-depleted layer on high temperature oxidation were studied in detail. The study showed that the porosity is mainly related to the oxidation of SiC. And while the SiC is substantially completely oxidized, only a very small part of matrix is oxidized. The fracture strength of the SiC-depleted layer degrades seriously during the high temperature oxidation process. And the bigger the initial volume fraction of SiC, the lower the fracture strength of the SiC-depleted layer is. This layer may become the origin of failure of material, thus the further researches should be undertaken to improve the oxidation behavior for the ultra-high-temperature ceramics in a wider temperature range. ; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000325339600003&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701Test ; Mechanics ; SCI(E) ; EI ; 0 ; ARTICLE ; 3 ; null ; 5 |
| نوع الوثيقة: | journal/newspaper |
| اللغة: | English |
| تدمد: | 1758-8251 |
| العلاقة: | INTERNATIONAL JOURNAL OF APPLIED MECHANICS.2013,5,(3).; 813668; http://hdl.handle.net/20.500.11897/391150Test; WOS:000325339600003 |
| DOI: | 10.1142/S1758825113500269 |
| الإتاحة: | https://doi.org/20.500.11897/391150Test https://doi.org/10.1142/S1758825113500269Test https://hdl.handle.net/20.500.11897/391150Test |
| رقم الانضمام: | edsbas.386DEB35 |
| قاعدة البيانات: | BASE |
| تدمد: | 17588251 |
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| DOI: | 10.1142/S1758825113500269 |