Room temperature precipitation in dilute Al-Li alloys

J. Lendvai, Hans Joachim Gudladt, Wilfried Wunderlich, Volkmar Gerold

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

In Al-Li alloys aged at 433 or 473 K for 10 to 48 h further precipitation was observed in course of room temperature (RT) storage subsequent to the artificial ageing treatment. This post-ageing phenomenon was investigated by electron microscopy and by calorimetric measurements. The nucleation and growth of new particles during the RT ageing leads to a bimodal distribution of precipitates with strongly differing mean particle sizes. On the basis of these results conclusions could be drawn as to the characteristic features of the precipitation process at or near RT. The question whether in Al-Li alloys on the basis of structural or compositional differences GP zones have to be distinguished from δ′ precipitates will be also discussed.

Original languageEnglish
Pages (from-to)310-317
Number of pages8
JournalZeitschrift fuer Metallkunde/Materials Research and Advanced Techniques
Volume80
Issue number5
Publication statusPublished - May 1989

Fingerprint

Aging of materials
Precipitates
precipitates
room temperature
Temperature
Electron microscopy
electron microscopy
Nucleation
Particle size
nucleation

ASJC Scopus subject areas

  • Metals and Alloys

Cite this

Room temperature precipitation in dilute Al-Li alloys. / Lendvai, J.; Gudladt, Hans Joachim; Wunderlich, Wilfried; Gerold, Volkmar.

In: Zeitschrift fuer Metallkunde/Materials Research and Advanced Techniques, Vol. 80, No. 5, 05.1989, p. 310-317.

Research output: Contribution to journalArticle

Lendvai, J. ; Gudladt, Hans Joachim ; Wunderlich, Wilfried ; Gerold, Volkmar. / Room temperature precipitation in dilute Al-Li alloys. In: Zeitschrift fuer Metallkunde/Materials Research and Advanced Techniques. 1989 ; Vol. 80, No. 5. pp. 310-317.
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