Formation of Boron Nitride Coating on SiC Fibers by Electrophoretic Deposition Method Using Pulsed Direct Current Field

IF 2.6 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

International Journal of Applied Ceramic Technology Pub Date : 2026-09-19 DOI:10.1111/ijac.70279

Daichi Sakakibara, Anna Gubarevich, Masaki Kotani, Katsumi Yoshida

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Abstract

To develop a low cost, low environmental, and short-time boron nitride (BN) coating process on SiC fibers for SiC_f/SiC composites, the authors focused on the pulsed direct current (DC) electrophoretic deposition (EPD) method. First, the effects of DC ON/OFF ratio and migration time on the microstructure of BN deposition on the carbon plate substrates were evaluated, and it was demonstrated that uniform BN deposition was formed under the conditions of DC ON/OFF ratio of 1 ms/10 ms and a migration time of 1 min. BN coating with the thickness of 170, 260, and 360 nm was formed on SiC fibers by both continuous and pulsed DC EPD at applied voltage of 5, 10, and 20 V and migration time of 1 min, respectively. The present study demonstrated that comparable BN coating to the continuous DC EPD was successfully formed under the application of higher voltage in a short time by pulsed DC EPD.

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脉冲直流电场电泳沉积法在SiC纤维上形成氮化硼涂层

为了开发一种低成本、低环境、短时间的SiCf/SiC复合材料氮化硼涂层工艺，作者重点研究了脉冲直流（DC）电泳沉积（EPD）方法。首先，评估了直流开/关比和迁移时间对BN沉积在碳板衬底上的微观结构的影响，证明了在直流开/关比为1 ms/10 ms、迁移时间为1 min的条件下可以形成均匀的BN沉积。在施加电压为5、10和20 V、迁移时间为1 min的条件下，连续和脉冲直流EPD分别在SiC纤维上形成了厚度为170、260和360 nm的BN涂层。本研究表明，在较高电压的作用下，脉冲直流EPD在短时间内成功地形成了与连续直流EPD相当的BN涂层。

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来源期刊

International Journal of Applied Ceramic Technology 工程技术-材料科学：硅酸盐

CiteScore

3.90

自引率

9.50%

发文量

280

审稿时长

4.5 months

期刊介绍： The International Journal of Applied Ceramic Technology publishes cutting edge applied research and development work focused on commercialization of engineered ceramics, products and processes. The publication also explores the barriers to commercialization, design and testing, environmental health issues, international standardization activities, databases, and cost models. Designed to get high quality information to end-users quickly, the peer process is led by an editorial board of experts from industry, government, and universities. Each issue focuses on a high-interest, high-impact topic plus includes a range of papers detailing applications of ceramics. Papers on all aspects of applied ceramics are welcome including those in the following areas: Nanotechnology applications; Ceramic Armor; Ceramic and Technology for Energy Applications (e.g., Fuel Cells, Batteries, Solar, Thermoelectric, and HT Superconductors); Ceramic Matrix Composites; Functional Materials; Thermal and Environmental Barrier Coatings; Bioceramic Applications; Green Manufacturing; Ceramic Processing; Glass Technology; Fiber optics; Ceramics in Environmental Applications; Ceramics in Electronic, Photonic and Magnetic Applications;