Scanning Electron Microscope

1 case · 5 images for “fracture”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Bolt Microstructure: Tempered Martensite clear all

Scanning Electron Microscope — sub-branches

Fractography by SEM 5

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Aspect of the bolt fracture surface by scanning electron microscopy, (SEM) presenting striations that indicate a FATIGUE micromechanism. The bolt is of a medium strength (class 8.8) low alloy steel, medium carbon, quenched and tempered.
1123
VIEW
ML00130 / Jun.2018
Fatigue Fracture of Overloaded Bolts
M - Low Alloy Medium Carbon QTP - FastenerAp - O&G Well DrillingCd - Mechanical Fatigue
Cm - Fractography by SEMDf - Fatigue Fracture

More from these cases

ML00130 — Fatigue Fracture of Overloaded BoltsM - Low Alloy Medium Carbon QTP - FastenerAp - O&G Well DrillingCd - Mechanical Fatigue
Aspect of the fracture surface in low magnification, showing a flat aspect (associated to a fatigue fracture micromechanims) and a rough aspect (associated to a ductile fracture micromechanism).
167
VIEW
ML00130 / Jun.2018
Fatigue Fracture of Overloaded Bolts
M - Low Alloy Medium Carbon QTP - FastenerAp - O&G Well DrillingCd - Mechanical Fatigue
Cm - Fractography by SEMDf - General View
Aspect of the fracture surface by scanning electron microscopy, presenting fatigue striations micromechanism. The bolt is a medium strength low alloy steel, medium carbon, quenched and tempered.
154
VIEW
ML00130 / Jun.2018
Fatigue Fracture of Overloaded Bolts
M - Low Alloy Medium Carbon QTP - FastenerAp - O&G Well DrillingCd - Mechanical Fatigue
Cm - Fractography by SEMDf - Fatigue Fracture
Detailed fractographic aspect of the flat part of the bolt fracture, presenting fatigue striations. The bolt is a medium strength low alloy steel, medium carbon, quenched and tempered.
141
VIEW
ML00130 / Jun.2018
Fatigue Fracture of Overloaded Bolts
M - Low Alloy Medium Carbon QTP - FastenerAp - O&G Well DrillingCd - Mechanical Fatigue
Cm - Fractography by SEMDf - Fatigue Fracture
Fractographic detailed aspect of the rough part of the fracture surface, presenting ductile dimples. This is the final fracture, by overload.
137
VIEW
ML00130 / Jun.2018
Fatigue Fracture of Overloaded Bolts
M - Low Alloy Medium Carbon QTP - FastenerAp - O&G Well DrillingCd - Mechanical Fatigue
Cm - Fractography by SEMDf - Ductile Fracture