Journal of Materials Science

, Volume 19, Issue 11, pp 3626–3639 | Cite as

Oxide morphology and adhesive bonding on titanium surfaces

  • M. Assefpour-Dezfuly
  • C. Vlachos
  • E. H. Andrews


Titanium metal was subjected to two surface treatments (alkaline peroxide etch and chromic acid anodization) and resulting oxide morphology examined by high-resolution scanning electron microscopy in a Jeol 100-CX STEM. The effects of treatment time in alkaline peroxide upon oxide morphology were followed and parallel mechanical measurements made on the strengths of adhesive bonds between the metal and an epoxy resin. These strengths were measured after a standard environmental exposure, namely 120 h in water at 80° C. As time-of-treatment increases, a micro-porous oxide layer is developed and adhesive strength rises to a maximum. Prolonged treatment with alkaline peroxide produces a drastic fall in adhesive strength accompanied by gross etching of the metal surface without changes in the oxide morphology. The loss of adhesive durability in this case is therefore attributable to surface chemistry effects rather than morphological changes.


Titanium Epoxy Environmental Exposure Adhesive Strength Prolonged Treatment 
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Copyright information

© Chapman and Hall Ltd. 1984

Authors and Affiliations

  • M. Assefpour-Dezfuly
    • 1
  • C. Vlachos
    • 1
  • E. H. Andrews
    • 1
  1. 1.Department of MaterialsQueen Mary CollegeLondonUK

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