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01.06.2024 | STRENGTH AND PLASTICITY

Microstructure of Fracture Surfaces after Radial Compression of Annular Specimens Made of Cladding Austenitic Steel Exposed to Damaging Dose above 100 dpa

verfasst von: R. P. Karagergi, A. V. Kozlov, V. Yu. Yarkov, V. I. Pastukhov, S. V. Barsanova, T. A. Churyumova, N. M. Mitrofanova, M. V. Leont’eva-Smirnova

Erschienen in: Physics of Metals and Metallography | Ausgabe 6/2024

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Abstract

Short-term mechanical testing of annular specimens made of a segment of the fuel element cladding irradiated in the BN-600 reactor up to damaging dose above 100 dpa has been performed. The specimens were compressed in the radial direction at different temperatures to plot experimental diagrams and analyze the stress-strain state. After testing, the fracture character and microstructure of the fracture surface were studied. It is shown that fracture of specimens at the microlevel occurs transgranularly, and the segments of fracture are observed along characteristic structural elements of cold deformed austenitic steel, along and transverse to packets of deformation twins. In general, fracture occurs with a strong deformation localization at different types of appeared defects.

Vorheriger Artikel Calculation of the Yield Strength of Polycrystalline Materials with a Hexagonal Close-Packed Lattice at a Given Texture

Nächster Artikel Thermal Stability of Microstructure and Properties of Ingots and Fine Wires from Al–Zr Alloys

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Titel: Microstructure of Fracture Surfaces after Radial Compression of Annular Specimens Made of Cladding Austenitic Steel Exposed to Damaging Dose above 100 dpa
verfasst von: R. P. Karagergi
A. V. Kozlov
V. Yu. Yarkov
V. I. Pastukhov
S. V. Barsanova
T. A. Churyumova
N. M. Mitrofanova
M. V. Leont’eva-Smirnova
Publikationsdatum: 01.06.2024
Verlag: Pleiades Publishing
Erschienen in: Physics of Metals and Metallography / Ausgabe 6/2024
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI: https://doi.org/10.1134/S0031918X2460043X

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Abstract

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Sie haben noch keine Lizenz? Dann Informieren Sie sich jetzt über unsere Produkte:

Springer Professional "Wirtschaft+Technik"

Springer Professional "Wirtschaft"

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Surface Modification of Zr–Nb Alloy by Nanosecond Pulse Laser Processing

Thermal Stability of Microstructure and Properties of Ingots and Fine Wires from Al–Zr Alloys

Effect of Thermal-Kinetic Conditions of Austenite Transformation on the Structural-Phase State of Low-Carbon Steel Sheets

On the Effect of Heating of Two-Phase Alloyed Brasses on Morphological Peculiarities of Intermetallic Inclusions

Electro-Optic Effect in Hexagonal Compounds RFeO3

Structure and Surface Properties of Stable Austenitic Steel Subjected to Liquid Carburizing at Lowered Temperature