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Edvin Lundgren. Portrait.

Edvin Lundgren

Professor

Edvin Lundgren. Portrait.

Surface development of a brazing alloy during heat treatment-a comparison between UHV and APXPS

Author

  • L. Rullik
  • N. Johansson
  • F. Bertram
  • J. Evertsson
  • T. Stenqvist
  • E. Lundgren

Summary, in English

In an attempt to bridge the pressure gap, APXPS was used to follow the surface development of an aluminum brazing sheet during heating in an ambient oxygen-pressure mimicking the environment of an industrial brazing furnace. The studied aluminum alloy brazing sheet is a composite material consisting of two aluminum alloy standards whose surface is covered with a native aluminum oxide film. To emphasize the necessity of studies of this system in ambient sample environments it is compared to measurements in UHV. Changes in thickness and composition of the surface oxide were followed after heating to 300 °C, 400 °C, and 500 °C. The two sets presented in this paper show that the surface development strongly depends on the environment the sample is heated in.

Department/s

  • Synchrotron Radiation Research
  • NanoLund: Centre for Nanoscience

Publishing year

2018-01-17

Language

English

Publication/Series

Journal of Physics: Condensed Matter

Volume

30

Issue

2

Document type

Journal article

Publisher

IOP Publishing

Topic

  • Condensed Matter Physics (including Material Physics, Nano Physics)

Keywords

  • aluminum alloy
  • APXPS
  • brazing
  • oxide thickness

Status

Published

ISBN/ISSN/Other

  • ISSN: 0953-8984