Scanning Electron Microscopy / Micro-Analysis

Scanning Electron Microscopy and Energy Dispersive Spectrometry SEM/EDS

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Our Scanning Electron Microscope and Energy Dispersive X-Ray Spectrometer (SEM/EDS) can examine and analyze samples at magnifications can be typically from 5X to 20,000X. Both the microstructure and fracture surface are analyzed.

The fracture surface topography revealed at high magnification indicates:

  • type of stress (tensile, shear, torsional)
  • mode of fracture (ductile, brittle, fatigue,
    overload)
  • direction of fracture propagation
  • area and mechanism of fracture initiation
  • manufacturing or repair related factors contributing to the failure
  • other factors related to cause of failure
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MTi has two commercial SEM/EDS systems and is one of very few labs with these systems that is strictly dedicated to metallurgical analysis and corrosion-investigations in the Southeast.

SEM/EDS Chemical Analysis

The Elemental composition of fine to microscopic particles or regions on a surface of samples are analyzed using a energy dispersive x-ray spectrometer (EDS) attached to the SEM. EDS micro analysis is performed by measuring the energy and intensity of the signals generated by a focused electron beam scanned across the specimen.

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Failure Analysis Services

Determine cause of failure & recommend ways to prevent future recurrence.

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Corrosion Investigation

Determine cause of material degradation that reduces life expectancy.

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SEM/EDS
Micro-Analysis

Verify fracture mechanism & initiation. Microstructure composition and imaging.

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Metallography Services

Reveals grain structure, thermo mechanical processing & flaw and defect characteristics.

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