Preparation and characterization of t-BN coatings on the surface of carbon fibers

被引：12

作者：

Fu, Shanlong ^{[2
]}

Wang, Yanxiang ^{[1
,2
]}

Niu, Fangxu ^{[2
]}

Qu, Ce ^{[2
]}

Mao, Yanpeng ^{[3
]}

Zhuang, Guangshan ^{[2
]}

机构：

[1] Shandong Univ, Minist Educ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Jinan, Shandong, Peoples R China

[2] Shandong Univ, Sch Mat Sci & Engn, Carbon Fiber Engn Res Ctr, Jinan, Shandong, Peoples R China

[3] Shandong Univ, Sch Energy & Power Engn, Jinan, Shandong, Peoples R China

来源：

COMPOSITE INTERFACES | 2019年 / 26卷 / 06期

基金：

中国国家自然科学基金;

关键词：

BN coatings; carbon fibers; dipping; oxidation property; BORON-NITRIDE COATINGS; MICROSTRUCTURE; STRENGTH;

D O I：

10.1080/09276440.2018.1509252

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Turbostratic boron nitride (t-BN) coatings were successfully synthesized on the surface of carbon fibers by dip-coating method. Boric acid and urea were used as boron source and nitrogen source separately and the nitridation process was carried out at 850 degrees C for 4h under the protection of N-2. Dipping times were considered as variables to find out optimum amounts. The structure, chemical composition, phase and properties of BN coated carbon fibers were characterized. Results showed that continuous and uniform coatings were prepared after three times dipping and adhered well with carbon fibers. The coatings were mainly composed of the phase of t-BN. The oxidation property and high temperature resistant performance of the BN modified carbon fibers were greatly improved.

引用

页码：479 / 492

页数：14

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