Micrography by OM using A262 Method A

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Micrographic detail of the fatigue cracking at the margin of the flange to shell fillet weld.
484
ML00050 / Nov.2017
Fatigue Failure of a 316SS Pressure Stabilizer
M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Mechanical Fatigue
Cm - Micrography by OM using A262 Method ADf - Fatigue Crack
Micrography of the section transverse to the weld and in a region close to the fracture surface (to the right side of the figure).  The secondary fatigue microcracks are associated to the stress concentration raisers of the margin of the weld, irregular.
110
ML00006 / Apr.2017
Vibration Induced Fatigue in 304SS
M - Austenitic Stainless SteelP - Longitudinal Seam Welded PipeAp - PipingCd - Vibration Induced Fatigue
Cm - Micrography by OM using A262 Method ADf - Fatigue Crack