Metallography

 

Optical Microscopy

  • Specimen preparation (cutting, polishing, etching)
  • Evaluation of defects
  • Qualitative and quantitative assessment of inclusions (eg. E45, E2283)
  • Hardness and micro hardness measurements
  • Quantification of microstructure features as per ASTM standards (grain size, amount of phases)
  • Failure analysis and root cause analysis
  • Condition assessment and remaining life assessment
  • Experience in a wide range of sectors and components

Dilatometry

  • Determination of CCT and TTT diagrams
  • Evaluation of the effect of deformation on phase transformation
  • Microstructure evolution in complex thermal cycles
  • Effect of high heating and cooling rates

Nanoscopy & TEM

  • Resolution (point to point): 0.19 nm
  • Accelerating Voltage: 300 kV
  • Electron Gun: Field Emission
  • Spot Size: 0.4nm
  • Single & Double tilt Be specimens holder
  • In - column energy filter (EF-TEM, EELS)
  •  HAADF
  •  XEDS
  • SADP - NBED - CBED
  • Imaging: fluorescent screen, film plate and on axis CCD camera (2k x 2k)

Scanning Electron Microscopy

  • W, LaB6 and FEG sources
  • High resolution instruments
  • EDS and WDS detectors for micro - analytical characterisation
  • EBSD detector for crystallographic characterisation (phases identification, grain and sub - grain size determination in complex phases, texture analyses)
  • Fractography
  • Evaluation of particle size distribution and composition by integrated and customised tools

Microstructure Examination

  • Identification of microstructural constituents (e.g. upper / lower Bainite)
  • Size, morphology, crystal structure and topology of phases
  • Effect of thermo-mechanical treatments on the microstructure (coherent/incoherent precipitation, dislocation density, etc.)
  • Orientation relationships (precipitate/matrix, grain/grain)
  • Particles identification, size distribution and determination of geometrical parameters
  • XEDS (X-ray energy dispersive spectrometer) qualitative and quantitative chemical analysis of particles and phases

X - RAY Diffraction

  • X - Ray powder diffractometry (Co, Cu and Mo anodes)
  • Qualitative and quantitative phase analysis
  • Identification of crystal phases (ICDD database)
  • Determination of direct pole figures and texture analysis by ODF

Field Metallography

  • Portable site microscope
  • Smart phone app for microscope image capture and processing
  • Portable gardness testers
  • Portable field metallography equipment (110v and cordless systems)
  •  On - site assessment and Interpretation
  • Microscope endoscopic probe systems
  • Specific RAMS procedures
  • Inspection planning and management
  • Rapid mobilisation to site
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