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The Scanning Electron Microscope (SEM)

posted Apr 14, 2014, 11:10 PM by feng@koyauniversity.org   [ updated Apr 17, 2014, 3:09 AM ]
This machine is in the labs of the research center in the Faculty of engineering.The Scanning Electron Microscope (SEM) has many applications across a multitude of industry sectors. It can produce extremely high magnification images (up to 200000x) at high resolution up to 2nm combined with the ability to generate localised chemical information (EDX). This means the  SEM/EDX instrument is a powerful and flexible tool for solving a wide range of product and processing problems for a diverse range of metals and materials.
Typical Applications include:-
  • Identification of metals and materials
  • Particle contamination identification and elimination
  • Classification of materials
  • Product and process failure and defect analysis
  • Examination of surface morphology (including stereo imaging) 
  • Analysis and identification of surface and airborne contamination
  • Powder morphology, particle size and analysis
  • Cleaning problems and chemical etching 
  • Welding and joining technology quality evaluation and failure investigation 
  • Paint and coating failure and delamination investigation
  • Identification and elimination of corrosion and oxidisation problems 
  • Contamination or stain investigation
  • Structural analysis
  • Reverse engineering of products and processes
 Range of Materials for Invesigation by SEM/EDX:-
  • Metals, Glass and Ceramics
  • Rocks
  • Semiconductors
  • Plastics, Hydrogels and polymers 
  • Powders and Dust
  • Composite Materials
  • Fibres (Textile, fabric , man-made, natural, carbon fibres, glass fibres, kevlar)