SYMPOSIA PAPER Published: 01 January 2005
STP37511S

Phase Composition, Structure, and Plastic Deformation Localization in Zr1%Nb alloys

Source

The feasibility of strengthening the Zr1%Nb alloy by achieving a non-uniform solid solution oxygen distribution in the α grains is considered. Technology employing Nb2O5 as an oxygen source has been developed, which permits introduction into the alloy additional oxygen up to 0.06–0.09 wt. %. Using the method of electron microscopy, the oxygen distribution of the as-produced alloy was examined. The material was found to contain Zr and Nb oxides of non-stoichiometric compositions. The regular features of plastic deformation localization were investigated. These features as revealed by the deforming material may be regarded as forerunners of necking in the course of Zr alloy tube manufacture and are indicative of probable material fracture.

Author Information

Zuev, LB
Institute of Strength Physics and Materials Science, Siberian Branch of RAS, Tomsk, Russia
Zavodchikov, SY
Chepetsky Mechanical Plant, Glazov, Russia
Poletika, TM
Institute of Strength Physics and Materials Science, Siberian Branch of RAS, Tomsk, Russia
Cheremnykh, GS
Chepetsky Mechanical Plant, Glazov, Russia
Filippov, VB
Chepetsky Mechanical Plant, Glazov, Russia
Belov, VI
Chepetsky Mechanical Plant, Glazov, Russia
Arzhakova, VM
A. A. Bochvar All-Russia Scientific Research Institute of Inorganic Materials, Moscow, Russia
Bocharov, OV
A. A. Bochvar All-Russia Scientific Research Institute of Inorganic Materials, Moscow, Russia
Shikov, AK
A. A. Bochvar All-Russia Scientific Research Institute of Inorganic Materials, Moscow, Russia
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Details
Developed by Committee: B10
Pages: 264–275
DOI: 10.1520/STP37511S
ISBN-EB: 978-0-8031-5519-0
ISBN-13: 978-0-8031-3493-5