Nickel release study in jewelry samples

Nickel release study in jewelry samples

Petition / Problem

Jewelery products made up of different metallic layers that showed nickel release when in contact with sweat from the skin.

Objective

Characterization of the products that had given rise to nickel release to understand the origin of the problem. Once the origin has been identified, propose a technically viable solution.

ATRIA Solution

Characterizations were carried out using FIB-SEM, since this technique allows the analysis of the cross section of the product, in addition to its chemical composition. After analyzing the samples, the origin of the problem was identified and different options were proposed to avoid the release of nickel: different configurations and thicknesses of protective metallic layers, application of protective graphene coatings and application of organic coatings.

Technologies applied

ATRIA Innovation
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