Oxidation resistance and strength of a molybdenum fiber–oxide matrix composite material
- Authors: Mileiko S.T.1, Novokhatskaya N.I.1, Prokopenko N.A.1, Kolchin A.A.1, Mitskevich A.Y.1, Chumichev V.A.1, Novikov I.V.1
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Affiliations:
- Institute of Solid State Physics
- Issue: Vol 2016, No 10 (2016)
- Pages: 912-917
- Section: Promising Materials and Technologies
- URL: https://journals.rcsi.science/0036-0295/article/view/170913
- DOI: https://doi.org/10.1134/S0036029516100116
- ID: 170913
Cite item
Abstract
The oxidation kinetics of a composite material, which consists of an Al2O3–Al5Y3O12 matrix and molybdenum fibers and has a high cracking resistance, is studied. The mass loss of the composite material during oxidation is shown to be several orders of magnitude lower than that of molybdenum. Oxidation in quiet air at 1250°C for several hours weakly changes the strength of the composite material at temperatures from room temperature to 1300°C. It is also shown that the strength of the composite material as a function of the oxide matrix composition (Al: Y ratio) changes nonmonotonically. The maximum strength shifts from the Al2O3–Al5Y3O12 eutectic point toward garnet.
About the authors
S. T. Mileiko
Institute of Solid State Physics
Author for correspondence.
Email: mileiko@issp.ac.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432
N. I. Novokhatskaya
Institute of Solid State Physics
Email: mileiko@issp.ac.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432
N. A. Prokopenko
Institute of Solid State Physics
Email: mileiko@issp.ac.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432
A. A. Kolchin
Institute of Solid State Physics
Email: mileiko@issp.ac.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432
A. Ya. Mitskevich
Institute of Solid State Physics
Email: mileiko@issp.ac.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432
V. A. Chumichev
Institute of Solid State Physics
Email: mileiko@issp.ac.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432
I. V. Novikov
Institute of Solid State Physics
Email: mileiko@issp.ac.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432