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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Non Destructive Examination Microstructure: Alpha & Beta Capture method: Aspect Before Analysis clear all

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The coasters present a handmake look. The grooves are of different sizes and the octogonal shape is irregular. The pieces presented a weight that suggested that the bright finish is a metallic coating, later identified by EDS analysis as silver coating, typical of a decorative plating.
452
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ML00156 / Jan.2020
Antique Silver Plated Decorative Piece
M - BrassP - Decorative PieceAp - OrnamentalCd - Non Destructive Examination
Cm - Aspect Before AnalysisDf - General View

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ML00156 — Antique Silver Plated Decorative PieceM - BrassP - Decorative PieceAp - OrnamentalCd - Non Destructive Examination
Piece that was analysed by non destructive tests. Octogonal shape. Two irregular grooves. The coaster was manufactured in a cooper alloy substrate and a metallic coating. The analysis to reveal the substrate microstructure was conducted on the back of the part, in a non destructive preparation, that included light grinding, polishing and etching.
61
VIEW
ML00156 / Jan.2020
Antique Silver Plated Decorative Piece
M - BrassP - Decorative PieceAp - OrnamentalCd - Non Destructive Examination
Cm - Aspect Before AnalysisDf - General View