In Situ Real-Time Monitoring of Aging Processes in an Aluminum Alloy by High-Precision Dilatometry

Martin Luckabauer, Elisabeth Hengge, Gregor Klinser, Wolfgang Sprengel*, Roland Würschum

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem KonferenzbandBegutachtung

Abstract

A detailed understanding of the atomistic processes governing the age hardening response of light metal alloys is of vital importance for the optimization of their properties. While a static characterization of metastable precipitates is possible, e.g., by advanced microscopic techniques, the kinetic aspects of the underlying formation of phases are by far more difficult to assess. In this work we present isothermal, high-stability laser dilatometric measurements, during the natural and artificial aging of a commercial aluminum alloy (Al-Mg-Si), with a rate resolution below 1 nm/h. The results of this case study show that the presented dilatometric technique allows for direct monitoring of the precipitation process with an unprecedented accuracy on the volume as well as on the time scale.
Originalspracheenglisch
TitelMagnesium Technology 2017
Seiten669-674
Seitenumfang6
ISBN (elektronisch)978-331952391-0
DOIs
PublikationsstatusVeröffentlicht - 2017
VeranstaltungInternational Symposium on Magnesium Technology 2017 - San Diego, USA / Vereinigte Staaten
Dauer: 26 Feb. 20172 März 2017

Publikationsreihe

NameThe Minerals, Metals & Materials Series
BandF8
ISSN (Print)2367-1181
ISSN (elektronisch)2367-1696

Konferenz

KonferenzInternational Symposium on Magnesium Technology 2017
Land/GebietUSA / Vereinigte Staaten
OrtSan Diego
Zeitraum26/02/172/03/17

Fields of Expertise

  • Advanced Materials Science

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