Fabrication and mechanical properties of the SiC fiber reinforced oxide matrix composites

Makoto Yoshida, Kenya Nagahisa, Kazuya Kitatani, Naoto Ohta, Toshihiro Ishikawa, Jin Pan, Gen Sasaki, Hideharu Fukunaga

研究成果: Conference contribution

抄録

A sintered SiC (Tyranno-SA) fiber-reinforced MAS glass matrix composite was fabricated by using a slurry infiltration method and hot-pressing. The microstructure and mechanical properties were investigated. To prepare the preform, the MAS glass slurry including a dispersing agent was infiltrated into a bundle of the fibers. The preform was then hot-pressed under the conditions of 1473 K, 30 MPa, 3.6 ksec. A unidirectionally-reinforced oxide matrix composite with 50% Vf. of the fiber and a density of 2.84 g/cm3 was obtained. As the mechanical properties at room temperature, the three-point flexural strength and quasi-static adsorbed energy were 500 MPa and 6,000 J/m2, respectively. Without graphite or an h-BN pre-coating on the surface of the fiber, pull-out and bridging of the fibers from the matrix was found, and this leads to a high value of the adsorbed energy. By TEM observation, nano-scale crystalline products were found between the fibers and the glass matrix. The push-out test reveals that this layer causes the appropriate debonding of the interface during the fracture process of the composite.

本文言語English
ホスト出版物のタイトルProceedings of the Second International Conference on Processing Materials for Properties
編集者B. Mishra, C, Yamauchi, B. Mishra, C. Yamauchi
ページ121-126
ページ数6
出版ステータスPublished - 2000 12 1
外部発表はい
イベントProceedings of the Second International Conference on Processing Materials for Properties - San Francisco, CA, United States
継続期間: 2000 11 52000 11 8

出版物シリーズ

名前Proceedings of the Second International Conference on Processing Materials for Properties

Conference

ConferenceProceedings of the Second International Conference on Processing Materials for Properties
CountryUnited States
CitySan Francisco, CA
Period00/11/500/11/8

ASJC Scopus subject areas

  • Engineering(all)

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