W.S. WissensBlog
Understanding materials in detail!
From damage analyses and metallography to the latest standards in non-destructive testing (NDT), our experts share knowledge gained through everyday laboratory practice. Explore detailed case studies, learn more about material properties and stay informed about technical innovations in materials testing.
We also provide information about careers in materials engineering and materials testing, as well as our practical training and modular qualification programmes for current and aspiring specialists.
17. September 2026
Maintenance in the railway sector: An overview of the four ECM functions
The Entity in Charge of Maintenance – ECM for short – is responsible for safe and reliable maintenance in the railway sector.
31. August 2026
Inspection supervision in non-destructive testing: Responsibility for quality and safety
With increasing regulation, longer product life cycles and growing requirements for safety and verifiability, NDT – and therefore inspection supervision – is becoming noticeably more important.
30. July 2026
Imaging instead of X-ray testing: New strategies for non-destructive weld evaluation
A recent feasibility study shows how imaging methods could replace conventional radiographic techniques in industrial weld evaluation.
30. May 2026
Measurement uncertainty in materials testing
A subject that leaves no room for doubt: Measurement uncertainty in destructive testing (DT) and non-destructive testing (NDT).
31. October 2025
Modular vocational qualification in materials testing – a successful model
Modular vocational retraining as a materials testing technician: flexible, eligible for funding and practical. Ideal for career changers and companies.
29. May 2024
The influence of delta ferrite on corrosion resistance
Small amounts of delta ferrite are often present in austenitic steels. But how does it affect corrosion resistance?
2. February 2024
Through the microscope: Christmas tree or dendrite?
Behind this festive image is an SEM micrograph from materials testing: dendrites in a shrinkage cavity in a cast steel component.
7. December 2023
Insights into materials testing: Fractography of a tensile sample
A tensile sample shows unusually low elongation after fracture. Fractographic examination of the fracture surface reveals the cause: a shrinkage cavity in the material.
19. October 2023
From polished section to microstructure: What is metallography?
Metallography is a branch of materials testing and materials science concerned with examining the internal structure of metals and alloys.
17. August 2023
Phased array ultrasonic testing: how does it differ from conventional UT?
Phased array has significantly advanced ultrasonic testing in non-destructive testing. How do conventional UT and PAUT differ, and when is the modern method worthwhile?
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