Fabrication, Structure, and Mechanical Properties of Composite Oxide Fibers for Brittle-Matrix Composites


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Abstract

Abstract—Composite fibers of starting mixtures of aluminum, yttrium, and calcium oxides and fibrous composite materials consisting of these fibers and a molybdenum matrix are fabricated by internal crystallization. The structure, the strength, and the cracking resistance of the fibers are studied in the temperature range 20–1400°C. Inductile components are shown to be used to form composite materials with quasi-plastic behavior, and their cracking resistance can be 20–25 MPa m1/2.

About the authors

V. M. Kiiko

Institute of Solid State Physics, Russian Academy of Sciences

Author for correspondence.
Email: kiiko@issp.ac.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432

A. A. Kolchin

Institute of Solid State Physics, Russian Academy of Sciences

Email: kiiko@issp.ac.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432

N. I. Novokhatskaya

Institute of Solid State Physics, Russian Academy of Sciences

Email: kiiko@issp.ac.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432

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