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Metallography Laboratory


The Metallography Laboratory (MA3), implemented by Cepel in 1978, is capable of performing a range of material characterization tests (metallic and non-metallic) that are the basis for the development of studies and projects related to structural integrity and improvement of the properties of components used in the most diverse equipment.

Located in the Fundão Unit, MA3 provides external services and technical support to researches in the Metallurgy area, attending the requests of the research and development departments of Cepel programs. The laboratory is physically composed of 4 areas: I - transmission electron microscopy (MET); II - to X-ray diffraction and preparation of samples for MET and MEV; III - to metallographic preparation, optical and scanning electron microscopy (SEM) and IV - to creep tests and furnaces for thermal treatments.

The laboratory is also constantly used by electric utilities to analyze faults in components and equipment used in the distribution and generation of electric energy. In addition, it performs technical training of maintenance teams of companies in the electrical sector and technical expertise in equipment.

The MA3 offers resources for the development of the projects of the research lines "Structural Integrity of Thermoelectric Power Plants"; "Monitoring and Diagnosis of Equipment and Facilities"; "Nanotechnology"; "Fuel cell"; "Block Varistors" and "Superconductivity".

Among the tests and technological services carried out by MA-3, the following stand out:

• Structural failure analysis;
• X-ray diffraction and fluorescence;
• Videoscopy;
• Detection of defects by ultrasound;
• Microstructural analysis by optical microscopy;
• Microstructural analysis by scanning electron microscopy;
• Microstructural analysis by transmission electron microscopy;
• Fractographic analysis;
• Fluency test;
• Metallographic replication;


Of the set of equipment available for conducting the works, the following stand out:

• X-ray diffractometer and fluorescence;
• Scanning and Transmission Electron Microscopes with X-ray Energy Dispersion Analysis systems;
• Optical microscopes;
• Confocal Laser microscope (LEXT);
• Fluency testing equipment;
• heat treatment furnaces;
• macro, micro and nano hardness meters.

The laboratory also has some specific equipment for non-destructive tests such as:

• Ultrasound;
• Magnetic particle;
• Metallographic replication;
• Videoscopical analyzer;
• Portable alloy analyzer by X-ray fluorescence.


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