The Effect of SiC Coating on the Joint of C/C and LAS

机译：SiC涂层对C / C和LAS连接的影响

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The SiC coating on C/C composites was prepared by CVD and pack-cementation method in this paper, then SiC coated C/C composites was jointed with LAS glass ceramic at 1423K for 30min and the pressure of 15 MPa. The structure and morphology of the SiC coating and as-received joints were analyzed by SEM and XRD; shear strength of joint was examined through the Instron universal testing tensile machine. The results show that the thickness of SiC coating prepared by CVD is about 30μm, while the thickness of SiC layer by pack-cementation is nearly 100μm, and the layer is easier to connect with LAS glass ceramic owing to the rough surface and wedge-shaped structure on the SiC coating; the shear strength of joint between SiC coating coated C/C and LAS by pack-cementation is greater than the joint of C/C- LAS with SiC coating prepared by CVD.

机译：本文采用CVD法和堆积法在C / C复合材料上制备SiC涂层，然后在1423K和15 MPa的压力下，将SiC涂覆的C / C复合材料与LAS玻璃陶瓷接合30min。用SEM和XRD分析了SiC涂层和接缝处的结构和形貌。通过Instron万能测试拉伸机检查了接头的剪切强度。结果表明，通过CVD法制备的SiC涂层厚度约为30μm，而通过堆积固结的SiC层的厚度接近100μm，并且由于其表面粗糙且呈楔形，该层更易于与LAS玻璃陶瓷连接。 SiC涂层上的结构；通过填充粘结法涂覆的SiC涂层与C / C和LAS之间的接合处的剪切强度大于通过CVD法制备的SiC涂层与C / C-LAS的接合处的剪切强度。

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来源
《Inorganic thin films and coatings》|2012年|24-27|共4页
会议地点 Guilin(CN)
作者
Huanxia Zhu; Kezhi Li; Jinhua Lu; Hejun Li;
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作者单位

Carbon/Carbon composites Research Center, Northwesten Polytechnical University, Xi'an, 710072,China;

Carbon/Carbon composites Research Center, Northwesten Polytechnical University, Xi'an, 710072,China;

Carbon/Carbon composites Research Center, Northwesten Polytechnical University, Xi'an, 710072,China;

Carbon/Carbon composites Research Center, Northwesten Polytechnical University, Xi'an, 710072,China;

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原文格式 PDF
正文语种 eng
中图分类
关键词
C/C composites; SiC coating; joint;

机译：C / C复合材料； SiC涂层；联合;

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4. The Effect of SiC Coating on the Joint of C/C and LAS [C] . Huanxia Zhu, Kezhi Li, Jinhua Lu Workshop on Inorganic Thin Films and Coatings . 2013

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The Effect of SiC Coating on the Joint of C/C and LAS

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