Microstructural Phase Mapping
Microstructural structure mapping shows detailed phase fractions and grain boundaries on prepared surface replicas. It helps analyze thermally induced degradation mechanisms in service.
Physical-Chemical Mechanism of Action
The microstructural image visualizes the microscopic structures of a material, such as phase fractions and grain boundaries. These structures result from thermal processes during welding or in service.
Metallurgical Relevance & Welding Risks
Analyzing microstructures can provide important information about mechanical properties and material behavior under load. Incorrect structures, such as overly hard phases or coarse grain, can lead to cracks, failure, or reduced service life.
Shop Practice & Action Items
To create a microstructural image, the material surface must be prepared using special preparation methods. Then it is examined under a microscope and documented. For welding processes, it is important to precisely control the cooling time and temperature to achieve a homogeneous structure.