SYMPOSIA PAPER Published: 01 January 1985
STP37377S

Solute Segregation and Void Formation on Grain Boundaries in Electron-Irradiated Type 316 Stainless Steel

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Radiation-induced segregation and void formation on grain boundaries in titanium-modified Type 316 stainless steel were investigated by electron irradiation and X-ray microanalysis (EDX). Strong enrichment and depletion of solutes were observed on grain boundaries during irradiation. Moreover, preferential void formation on grain boundaries occurred and grain boundary migration was induced by the irradiation. These facts indicate that grain boundaries act as preferential sinks for radiation-induced point defects, and the sink behavior may be changed by the development of the segregation under irradiation.

Author Information

Ohnuki, S
Faculty of Engineering, Hokkaido University, Sapporo, Japan
Takahashi, H
Faculty of Engineering, Hokkaido University, Sapporo, Japan
Takeyama, T
Faculty of Engineering, Hokkaido University, Sapporo, Japan
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Details
Developed by Committee: E10
Pages: 419–429
DOI: 10.1520/STP37377S
ISBN-EB: 978-0-8031-4935-9
ISBN-13: 978-0-8031-0450-1