Soundness

3 cases · 6 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: As polished micrography clear all

Soundness — sub-branches

Casting Structure 1Surface Layer 5

Results

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Metallographic aspect of the polished surface of the (back of the) coaster, showing pores and shrinkages, typical of a casting structure.
49
VIEW
ML00156 / Jan.2020
Antique Silver Plated Decorative Piece
M - BrassP - Decorative PieceAp - OrnamentalCd - Non Destructive Examination
Cm - As polished micrographyDf - Casting Structure
Micrography, as polished, of the transverse section of the forged pin with the layer applied by a (thermal) spray and fuse process. The layer was melted after thermal spray application and the layer presents a continuous matrix, but there are globular oxides and pores entrapped.
36
VIEW
ML00110 / Jan.2018
Non Conformance in Spray and Fuse Pin
M - Low Alloy Medium Carbon QTP - Tubular ForgingAp - O&G Well DrillingCd - Heat Treatment Defect
Cm - As polished micrographyDf - Surface Layer
Micrography, as polished, of the transverse section of the forged pin with the layer applied by a (thermal) spray and fuse process. The layer was melted after thermal spray application and the layer presents a continuous matrix, but there are globular oxides and pores entrapped.
29
VIEW
ML00109 / Jan.2018
Thermal Spray and Fuse Layer in Forged Pin
M - Low Alloy Medium Carbon QTP - Tubular ForgingAp - O&G Well DrillingCd - Thermal spray
Cm - As polished micrographyDf - Surface Layer

More from these cases

ML00110 — Non Conformance in Spray and Fuse PinM - Low Alloy Medium Carbon QTP - Tubular ForgingAp - O&G Well DrillingCd - Heat Treatment Defect
Micrographic detail, as polished, of the transverse section of the forged pin at the interface between the pin and the spray and fuse layer. The interface presents globular oxides and small pores, entrapped.
35
VIEW
ML00110 / Jan.2018
Non Conformance in Spray and Fuse Pin
M - Low Alloy Medium Carbon QTP - Tubular ForgingAp - O&G Well DrillingCd - Heat Treatment Defect
Cm - As polished micrographyDf - Surface Layer
Micrographic detail, as polished, of the transverse section at the interface between the pin and the spray and fuse layer. The interface presents globular oxides and small pores, entrapped.
23
VIEW
ML00110 / Jan.2018
Non Conformance in Spray and Fuse Pin
M - Low Alloy Medium Carbon QTP - Tubular ForgingAp - O&G Well DrillingCd - Heat Treatment Defect
Cm - As polished micrographyDf - Surface Layer
ML00109 — Thermal Spray and Fuse Layer in Forged PinM - Low Alloy Medium Carbon QTP - Tubular ForgingAp - O&G Well DrillingCd - Thermal spray
Micrographic detail, as polished, of the transverse section of the forged pin at the interface between the pin and the spray and fuse layer. The pin was heat treated after the thermal spray, and fuse treatment. The interface presents a higher concentration of globular oxides and pores, entrapped.
23
VIEW
ML00109 / Jan.2018
Thermal Spray and Fuse Layer in Forged Pin
M - Low Alloy Medium Carbon QTP - Tubular ForgingAp - O&G Well DrillingCd - Thermal spray
Cm - As polished micrographyDf - Surface Layer