Copper Alloy

1 case · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Alpha & Beta Capture method: Preparation Technique clear all

Copper Alloy — sub-branches

Brass 2

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Light grinding the back of the coaster. The surface was only partially ground, removing the metallic coating, and exposing the substrate, that appeared yellow indicating the manufacturing in a cooper alloy.
63
VIEW
ML00156 / Jan.2020
Antique Silver Plated Decorative Piece
M - BrassP - Decorative PieceAp - OrnamentalCd - Non Destructive Examination
Cm - Preparation TechniqueDf - General View

More from these cases

ML00156 — Antique Silver Plated Decorative PieceM - BrassP - Decorative PieceAp - OrnamentalCd - Non Destructive Examination
Aspect of the back of the coaster after grinding. The coating was partially removed. The chemical analysis was conducted in the ground part to obtain the composition of the substrate, that showed to be a yellow brass alloy. It is interesting to note that the alloy presented 2.3% lead.
63
VIEW
ML00156 / Jan.2020
Antique Silver Plated Decorative Piece
M - BrassP - Decorative PieceAp - OrnamentalCd - Non Destructive Examination
Cm - Preparation TechniqueDf - At the Surface