Unalloyed Titanium

3 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Detail focus: Brittle Cracks clear all

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In the region where the fracture started there are brittle aspects resembling a cleavage micromechanism and several secondary cracks, transverse to the fracture surface, as well as propagation by fatigue (striation).
36
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ML00179 / Feb.2022
Hydrides in Titanium Weld
M - Unalloyed TitaniumP - In Field WeldAp - Chemical IndustryCd - Hydride Formation
Cm - Fractography by SEMDf - Brittle Cracks
In a cut perpendicular to the macroscopic secondary crack it is possible to see several brittle microcracks (branched), indicating that an embrittlement has occurred.
22
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ML00176 / Nov.2021
Hydride Formation in a Titanium Blade
M - Unalloyed TitaniumP - BladeAp - Oil and GasCd - Hydride Formation
Cm - As polished micrographyDf - Brittle Cracks
Detail, as polished, of brittle cracks in the weld metal, from the internal side of the pipe.
67
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ML00005 / Apr.2017
Environmental Hydrogen Damage in Ti Pipe
M - Unalloyed TitaniumP - Longitudinal Seam Welded PipeAp - PipingCd - Hydride Formation
Cm - Micrography by OMDf - Brittle Cracks