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Kroll Etched Micrography by OM

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

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TryML00068 corrosion ML00063 brittle fracture ductile behavior fatigue hydrogen fracture embrittlement stress corrosion

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Oil and Gas38 cases
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Ship17 cases
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Boiler9 cases
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Microstructure73

Austenite38 cases
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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
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Network of Primary Carbides3 cases
Pearlite Highly Strained3 cases
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Small Amount of Delta Phase3 cases
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Standard298

UNS106 cases
ASTM96 cases
A80 cases
AISI37 cases
API16 cases
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Condition60

Damage123 cases
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Sound39 cases
Typical manufacturing28 cases
Fabrication Defect20 cases
Used19 cases
Removed From Service18 cases
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Product89

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

+81 more

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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

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Atlas / Capture method / Optical Microscope / Kroll Etched Micrography by OM

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Granular alpha structure of the pipe base metal.

49

ML00179 / Feb.2022

Hydrides in Titanium Weld

M - Unalloyed TitaniumP - In Field WeldAp - Chemical IndustryCd - Hydride Formation

Cm - Kroll Etched Micrography by OMDf - Alpha

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