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  2. Metallurgical failure analysis - Wikipedia

    en.wikipedia.org/wiki/Metallurgical_failure_analysis

    Metallurgical failure analysis is the process to determine the mechanism that has caused a metal component to fail.It can identify the cause of failure, providing insight into the root cause and potential solutions to prevent similar failures in the future, as well as culpability, which is important in legal cases. [1]

  3. Magnetic flux leakage - Wikipedia

    en.wikipedia.org/wiki/Magnetic_flux_leakage

    Magnetic flux leakage (TFI or Transverse Field Inspection technology) is a magnetic method of nondestructive testing to detect corrosion and pitting in steel structures, for instance: pipelines and storage tanks. The basic principle is that the magnetic field "leaks" from the steel at areas where there is corrosion or missing metal.

  4. Flux (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Flux_(metallurgy)

    Rosin used as flux for soldering A flux pen used for electronics rework Multicore solder containing flux Wire freshly coated with solder, held above molten rosin flux. In metallurgy, a flux is a chemical reducing agent, flowing agent, or purifying agent. Fluxes may have more than one function at a time.

  5. Cold water pitting of copper tube - Wikipedia

    en.wikipedia.org/wiki/Cold_water_pitting_of...

    In plumbing systems fluxes are used to keep the mating surfaces clean during soldering operations. The fluxes often consist of corrosive chemicals such as ammonium chloride and zinc chloride in a binder such as petroleum jelly. If too much is applied to the joint, then the excess flux will melt and run down the bore of a vertical tube or pool ...

  6. Magnetic particle inspection - Wikipedia

    en.wikipedia.org/wiki/Magnetic_particle_inspection

    Wet system particle range in size from less than 0.5 micrometres to 10 micrometres for use with water or oil carriers. Particles used in wet systems have pigments applied that fluoresce at 365 nm ( ultraviolet A) requiring 1000 μW/cm 2 (10 W/m 2 ) at the surface of the part for proper inspection.

  7. Metal roof - Wikipedia

    en.wikipedia.org/wiki/Metal_roof

    Standing seam metal roof. A metal roof is a roofing system featuring metal pieces or tiles exhibiting corrosion resistance, impermeability to water, and long life. It is a component of the building envelope. The metal pieces may be a covering on a structural, non-waterproof roof, or they could be self-supporting sheets.

  8. Scrap metal yard draws complaints from Portsmouth ... - AOL

    www.aol.com/scrap-metal-yard-draws-complaints...

    A longtime Jones Avenue resident contends a scrap metal business that operates in the neighborhood is disrupting the lives of residents. Scrap metal yard draws complaints from Portsmouth neighbors ...

  9. Corrosion engineering - Wikipedia

    en.wikipedia.org/wiki/Corrosion_engineering

    Erosion corrosion is a form of corrosion damage usually on a metal surface caused by turbulence of a liquid or solid containing liquid and the metal surface. [67] Aluminum can be particularly susceptible due to the fact that the aluminum oxide layer which affords corrosion protection to the underlying metal is eroded away. [68] [69]