Wire Rope

2 cases · 15 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

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Aspect of the wire rope, 1 1/2" diameter, presenting regions of flattened areas at the surface of the outer wires. It is a 6 x 19 Seale construction, right regular lay.
552
VIEW
ML00175 / Aug.2021
Localized External Wear of a Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Wear
Cm - Aspect Before AnalysisDf - General View
Concrete steel strand general view, presenting fracture of several wires and a corroded aspect. The full part is composed by 19 strands, each strand using 7 wires, and each wire about 5 mm diameter.
834
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - General View

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ML00175 — Localized External Wear of a Wire RopeM - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Wear
Detail of the cracks associated to deformed regions in the outer wire of a strand.
40
VIEW
ML00175 / Aug.2021
Localized External Wear of a Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Wear
Cm - Aspect Before AnalysisDf - Cracks
One disassembled strand without the core of the strand, showing an internal rusted surface, and externally flattened areas (left side of the figure).
37
VIEW
ML00175 / Aug.2021
Localized External Wear of a Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Wear
Cm - Aspect Before AnalysisDf - External Surface
One disassembled wire, 3.2mm diameter, from a strand. The wire presents strong plastic deformation. In a very localized area.
29
VIEW
ML00175 / Aug.2021
Localized External Wear of a Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Wear
Cm - Aspect Before AnalysisDf - Plastic Deformation
ML00155 — Failure of a Prestressed Concrete Steel StrandM - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
General aspect of the degradated wires of the strand, most part presenting rust and rupture.
107
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - General View
General aspect of the degradated wires of the strand, most part presenting rust and rupture. There are two mais aspects of the degradation: wire thickness reduction by corrosion and cracks creating a longitudinal fracture of several wires.
96
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Fracture
Macro view of individual strand wires emerging from the anchorage fitting, most surfaces covered in reddish-brown corrosion product and several wire ends showing fracture.
4
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Corrosion
Cross-section at the wire surface showing a deep corrosion pit with branching attack adjacent to the longitudinally drawn metal texture.
4
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Corrosion
Cross-sectional view of a wire showing irregular corrosion pits penetrating inward from both surfaces.
4
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Corrosion

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