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Homepage>BS Standards>25 MANUFACTURING ENGINEERING>25.220 Surface treatment and coating>25.220.40 Metallic coatings>BS ISO 12686:1999 Metallic and other inorganic coatings. Automated controlled shot-peening of metallic articles prior to nickel, autocatalytic nickel or chromium plating, or as a final finish
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immediate downloadReleased: 2000-02-15
BS ISO 12686:1999 Metallic and other inorganic coatings. Automated controlled shot-peening of metallic articles prior to nickel, autocatalytic nickel or chromium plating, or as a final finish

BS ISO 12686:1999

Metallic and other inorganic coatings. Automated controlled shot-peening of metallic articles prior to nickel, autocatalytic nickel or chromium plating, or as a final finish

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Standard number:BS ISO 12686:1999
Pages:44
Released:2000-02-15
ISBN:0 580 35904 2
Status:Standard
DESCRIPTION

BS ISO 12686:1999


This standard BS ISO 12686:1999 Metallic and other inorganic coatings. Automated controlled shot-peening of metallic articles prior to nickel, autocatalytic nickel or chromium plating, or as a final finish is classified in these ICS categories:
  • 25.220.99 Other treatments and coatings
  • 25.220.40 Metallic coatings

This International Standard describes the requirements for automated, controlled shot-peening of metallic articles prior to electrolytic or autocatalytic deposition of nickel or chromium, or as a final finish, using shot made of cast steel, conditioned cut wire, ceramic shot or glass beads. The process is applicable to those materials on which test work has shown it to be beneficial within given intensity ranges. It is usually not suitable for brittle materials. Hand-peening and rotary flap-peening are specifically excluded.

Shot-peening induces residual compressive stresses in the surface and near surface layers of metallic articles, and changes the surface microstructure (including phase transformation), thereby controlling or limiting the reduction in fatigue properties that occurs from nickel or chromium plating of the article, or increasing the fatigue properties of unplated articles.


Usually not suitable for brittle materials. Hand-peening and rotary flap-peening are specifically excluded.