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At the Surface

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

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TryML00160 corrosion ML00050 brittle fracture ductile behavior fatigue hydrogen fracture embrittlement stress corrosion

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Application34

Oil and Gas38 cases
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O&G Well Drilling19 cases
Ship17 cases
Structure16 cases
Offshore13 cases
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Boiler9 cases
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Microstructure73

Austenite38 cases
Ferritic pearlitic38 cases
Tempered Martensite34 cases
Martensite19 cases
Granular13 cases
Duplex Ferritic Austenitic12 cases
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Ferritic Bainitic11 cases
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Alpha8 cases
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Dendritic6 cases
Aged Martensite5 cases
Alpha & Beta5 cases
Ferritic matrix5 cases
Graphite in nodules5 cases
Precipitation Hardened5 cases
Coarse Structure4 cases
Detrimental phases4 cases
Graphite in flakes4 cases
Martensite and Retained Austenite4 cases
Monophasic4 cases
Small amount of delta ferrite4 cases
Surface layer of Thermal Spray4 cases
Acicular Ferrite3 cases
Carburized Layer3 cases
Columnar Grains3 cases
Equiaxial Grains3 cases
Ferritic pearlitic matrix3 cases
Network of Primary Carbides3 cases
Pearlite Highly Strained3 cases
Pearlitic Matrix3 cases
Small Amount of Delta Phase3 cases
Anisotropy2 cases
Bainitic Martensitic2 cases
Coarse Precipitation at Grain Boundaries2 cases
Cored Matrix2 cases
Deformed Structure2 cases
Degradated2 cases
Ferrite and Carbides2 cases
Fine Transgranular Precipitation2 cases
Free from Carbides2 cases

and 25 more not shown here — refine in the Atlas

Standard298

UNS106 cases
ASTM96 cases
A80 cases
AISI37 cases
API16 cases
B15 cases
ALLOY14 cases
NF EN12 cases

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and 250 more not shown here — refine in the Atlas

Condition60

Damage123 cases
Corrosion39 cases
Sound39 cases
Typical manufacturing28 cases
Fabrication Defect20 cases
Used19 cases
Removed From Service18 cases
Hydrogen17 cases

+52 more

and 12 more not shown here — refine in the Atlas

Product89

Raw Material128 cases
Finished Product113 cases
Welded Joint30 cases
Pipe20 cases
Rolled Plate19 cases
Tube17 cases
Casting16 cases
Fabrication Weld15 cases

+81 more

and 41 more not shown here — refine in the Atlas

Material61

Ferrous Alloys150 cases
Low Alloy Steel56 cases
High Alloy Steel52 cases
Carbon Steel31 cases
Non Ferrous Alloys31 cases
Low Alloy Medium Carbon QT23 cases
Low Carbon Steel21 cases
Austenitic Stainless Steel19 cases

+53 more

and 13 more not shown here — refine in the Atlas

Atlas / Detail focus / Sampling and Analysis / At the Surface

Capture method: FeCl3+HCl+H2O Etched Micro ×clear all

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Detail of the structure at the surface.

79

ML00043 / Apr.2017

CuNi Condenser Tube

M - CupronickelP - Seamless tubeAp - Heat ExchangerCd - Removed From Service

Cm - FeCl3+HCl+H2O Etched MicroDf - At the Surface

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