Copper Alloy

1 case · 6 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Lifting clear all

Copper Alloy — sub-branches

Brass 1

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The fracture micromechanism is ductile for the pin that has been sheared in a condition of controlling the load carrying. Elongated Dimples.
453
VIEW
ML00007 / Dec.2020
Free Machining Brass in Shear Pin
M - BrassP - Machined PartAp - LiftingCd - Shear
Cm - Fractography by SEMDf - Elongated Dimples

More from these cases

ML00007 — Free Machining Brass in Shear PinM - BrassP - Machined PartAp - LiftingCd - Shear
Uniform structure of the 1" shear pin all through the section. The edge is the fracture surface.
108
VIEW
ML00007 / Dec.2020
Free Machining Brass in Shear Pin
M - BrassP - Machined PartAp - LiftingCd - Shear
Cm - FeCl3+HCl+H2O solution Etched MacroDf - Longitudinal Section
The fracture surface is flat and smashed due to the shearing action.
87
VIEW
ML00007 / Dec.2020
Free Machining Brass in Shear Pin
M - BrassP - Machined PartAp - LiftingCd - Shear
Cm - Aspect Before AnalysisDf - Fracture
The fracture surface is ductile and the micromechanism is dimples, elongated due to the shearing action.
83
VIEW
ML00007 / Dec.2020
Free Machining Brass in Shear Pin
M - BrassP - Machined PartAp - LiftingCd - Shear
Cm - Fractography by SEMDf - Ductile Fracture
The micrography of the pin far from the fracture surface shows a biphasic brass, and Pb inclusions that are intentional to give a free machining condition for the alloy.
76
VIEW
ML00007 / Dec.2020
Free Machining Brass in Shear Pin
M - BrassP - Machined PartAp - LiftingCd - Shear
Cm - FeCl3+HCl+H2O Etched MicroDf - Two phases
The micrography of the pin at the fracture surface shows a strong plastic deformation as expected during shearing.
69
VIEW
ML00007 / Dec.2020
Free Machining Brass in Shear Pin
M - BrassP - Machined PartAp - LiftingCd - Shear
Cm - FeCl3+HCl+H2O Etched MicroDf - Plastic Deformation