SYMPOSIA PAPER Published: 01 January 1994
STP23975S

Influence of Aluminum and Titanium on Gas Bubble Microstructure Formation in Nickel Under Helium-Ion Irradiation

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The influence of aluminum and titanium on the helium bubble microstructure formation in nickel and its alloys was investigated using transmission electron microscopy (TEM), thermal desorption spectroscopy (TDS), electrical resistance, and microhardness measurements. The helium implantation was carried out at room temperature (cold implantation) and at 750°C (high-temperature implantation) up to dose 5 ∙ 1020 m-2. The materials used were nickel base alloys with aluminum content of 0 to 7.5 wt.% and with titanium content of 0 to 8.3 wt.%. A substantial influence of aluminum and titanium on the helium bubble microstructure parameters has been established. The results are discussed in terms of helium trapping in the solution taking into account the formation of a secondary phase.

Author Information

Kalin, BA
Moscow Engineering Physics Institute, Moscow, Russia
Chernov, II
Moscow Engineering Physics Institute, Moscow, Russia
Kalashnikov, AN
Moscow Engineering Physics Institute, Moscow, Russia
Markin, AV
Moscow Engineering Physics Institute, Moscow, Russia
Shishkin, GN
Moscow Engineering Physics Institute, Moscow, Russia
Korshunov, SN
Kurchatov Institute of Reactor Technology and Materials, Moscow, Russia
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Details
Developed by Committee: E10
Pages: 838–848
DOI: 10.1520/STP23975S
ISBN-EB: 978-0-8031-5262-5
ISBN-13: 978-0-8031-1488-3