Metallographic examination
Farbgeätzte Schliffoberfläche in polarisiertem Licht - Austenitisch erstarrtes Schweißgut. Bild: LZH

The Laser Zentrum Hannover e.V. (LZH) evaluates the processing of metallic and non-metallic materials by various examinations.


At the LZH, the quality of the metal processing can be determined by a number of metallographic test methods:

  • Microsection
  • Macrosection
  • Structure determination
  • Color etching
  • Weld seam measurements according to customer requirements
  • Detection of cracks and pores in the weld seam
  • Vickers hardness test
  • Sample preparation through wet abrasive cutting
  • Macro photography with a digital reflex camera, reproduction stand and macro lens


This service is, among others, used in the following areas:

Material groups:

  • Alloys
  • Composites
  • Metals
  • Plastics
  • Semiconductors

Measurements and analyses:

  • Material testing




We will be happy to discuss your individual requirements. Please feel free to contact us.