Residual stress development in cold sprayed Al, Cu and Ti coatings

Tomi Suhonen (Corresponding Author), Tommi Varis, S. Dosta, M. Torrell, J.M. Guilemany

    Research output: Contribution to journalArticleScientificpeer-review

    62 Citations (Scopus)

    Abstract

    Residual stresses play an important role in the formation and performance of thermal spray coatings. A curvature-based approach where the substrate–coating system deflection and temperature are monitored throughout the coating deposition process was used to determine residual stress formation during cold spray deposition of Al, Cu and Ti coatings. The effect of substrate material (carbon steel, stainless steel and aluminium) and substrate pre-treatment (normal grit blasting, grit blasting with the cold spray system and grinding for carbon steel substrate) were studied for all coating materials with optimized deposition parameters. Mainly compressive stresses were expected because of the nature of cold spraying, but also neutral as well as tensile stresses were formed for studied coatings. The magnitudes of the residual stresses were mainly dependent on the substrate/coating material combination, but the surface preparation was also found to have an effect on the final stress stage of the coating.
    Original languageEnglish
    Pages (from-to)6329-6337
    Number of pages8
    JournalActa Materialia
    Volume61
    Issue number17
    DOIs
    Publication statusPublished - 2013
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Residual stresses
    Coatings
    Blasting
    Substrates
    Carbon steel
    Stainless Steel
    Spraying
    Aluminum
    Compressive stress
    Tensile stress
    Stainless steel
    Temperature

    Keywords

    • cold spraying
    • residual stresses
    • aluminium
    • copper
    • titanium
    • ProperTune

    Cite this

    Suhonen, Tomi ; Varis, Tommi ; Dosta, S. ; Torrell, M. ; Guilemany, J.M. / Residual stress development in cold sprayed Al, Cu and Ti coatings. In: Acta Materialia. 2013 ; Vol. 61, No. 17. pp. 6329-6337.
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    abstract = "Residual stresses play an important role in the formation and performance of thermal spray coatings. A curvature-based approach where the substrate–coating system deflection and temperature are monitored throughout the coating deposition process was used to determine residual stress formation during cold spray deposition of Al, Cu and Ti coatings. The effect of substrate material (carbon steel, stainless steel and aluminium) and substrate pre-treatment (normal grit blasting, grit blasting with the cold spray system and grinding for carbon steel substrate) were studied for all coating materials with optimized deposition parameters. Mainly compressive stresses were expected because of the nature of cold spraying, but also neutral as well as tensile stresses were formed for studied coatings. The magnitudes of the residual stresses were mainly dependent on the substrate/coating material combination, but the surface preparation was also found to have an effect on the final stress stage of the coating.",
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    Suhonen, T, Varis, T, Dosta, S, Torrell, M & Guilemany, JM 2013, 'Residual stress development in cold sprayed Al, Cu and Ti coatings', Acta Materialia, vol. 61, no. 17, pp. 6329-6337. https://doi.org/10.1016/j.actamat.2013.06.033

    Residual stress development in cold sprayed Al, Cu and Ti coatings. / Suhonen, Tomi (Corresponding Author); Varis, Tommi; Dosta, S.; Torrell, M.; Guilemany, J.M.

    In: Acta Materialia, Vol. 61, No. 17, 2013, p. 6329-6337.

    Research output: Contribution to journalArticleScientificpeer-review

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    AU - Suhonen, Tomi

    AU - Varis, Tommi

    AU - Dosta, S.

    AU - Torrell, M.

    AU - Guilemany, J.M.

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    KW - aluminium

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    KW - titanium

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