Published February 2019 | Version v1
Journal article

Corrosion behavior of a β CuAlBe shape memory alloy containing stress induced martensite

  • 1. CONICET, Godoy Cruz 2290 CABA (Argentina)
  • 2. Instituto de Física de Materiales Tandil-IFIMAT, Facultad de Ciencias Exactas, Universidad Nacional del Centro de la Provincia de Buenos Aires, Pinto 399, 7000 Tandil (Argentina)
  • 3. TescanOrsay Holding a.s., Libusina trida. 863/21, 623 00 Brno (Czech Republic)
  • 4. Institute of Materials Science and Engineering, Brno University of Technology, Technicka 2, 616 00 Brno (Czech Republic)
  • 5. Functional Materials, Dept. Materials Science & Engineering, Saarland University, Campus D3 3, D-66123 Saarbrücken (Germany)
  • 6. INTEMA, Facultad de Ingeniería, Universidad Nacional de Mar del Plata, Juan B. Justo 4302, 7600 Mar del Plata (Argentina)

Description

The corrosion behavior of a β CuAlBe shape memory alloy containing stress-induced martensite was analyzed after 60 days of immersion in a 3.5% NaCl solution. The stress-induced martensite was retained in the sample after a load-unload compression cycle up to a pseudoelastic deformation of 4.5%. The corrosion of the alloy occurs by dealuminization, where β phase located in the areas between the needles of martensite is dissolved due to the preferential loss of aluminum, and the posterior redeposition of copper takes place.

Additional details

Identifiers

DOI
10.1016/j.apsusc.2018.10.047;
PII
S0169433218327417;

Publishing Information

Journal Title
Applied Surface Science
Journal Volume
466
Journal Page Range
p. 165-170
ISSN
0169-4332
CODEN
ASUSEE

Optional Information

Copyright
Copyright (c) 2018 Elsevier B.V. All rights reserved.