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Title: Positron dopplerbroadening measurements in cu-al-ni based shape-memory alloys
Authors: Segers, D ×
Hurtado, I
Dorikensvanpraet, L
Van Humbeeck, Jan #
Issue Date: 1995
Publisher: Editions physique
Series Title: Journal de physique iv vol:5 issue:C1 pages:163-169
Abstract: Positron annihilation Dopplerbroadening measurements were carried out on Cu-Al-Ni based alloys to which Ti, and Ti and Mn was added. The measurements reveal a drastic effect in the S-parameter behavior when the defects anneal out at the transition from martensite to the beta phase, When crossing the transition region several times, an increase of the S-parameter value is observed. This is interpreted as due to the formation of dislocations and precipitate-martensite interfaces. In the alloy with Mn a distinct behavior is observed attributed to vacancy cluster formation.
URI: 
ISSN: 1155-4339
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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