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FIELD-ION MICROSCOPE ATOM-PROBE ANALYSIS OF THE EFFECT OF RRA HEAT-TREATMENT ON THE MATRIX STRENGTHENING PRECIPITATES IN ALLOY AL-7150

Abstract:

The heat treatment of retrogression and re-ageing (RRA) has been applied to commercial alloy Al-7150 resulting in an improvement in the SCC resistance of material aged to peak strength. Transmission electron microscopy (TEM), field-ion microscopy/atom-probe (FIM/AP) analysis and position sensitive atom-probe (POSAP) analysis have been used to investigate the matrix precipitate composition during various stages of the RRA treatment as a preliminary part of a wider study of matrix and grain bou...

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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
Journal:
SURFACE SCIENCE More from this journal
Volume:
266
Issue:
1-3
Pages:
342-349
Publication date:
1992-04-15
Event title:
38TH INTERNATIONAL FIELD EMISSION SYMP : FIELD EMISSION 91
DOI:
ISSN:
0039-6028
Keywords:
Pubs id:
pubs:13188
UUID:
uuid:f9cff1d7-f8e7-40b2-9b9b-7728bb17a473
Local pid:
pubs:13188
Source identifiers:
13188
Deposit date:
2012-12-19

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