Metallography

Metallographic Analysis and Microstructural Characterization

This project was completed during my undergraduate studies at Bu-Ali Sina University and focused on metallographic techniques and microstructure analysis of common engineering materials. The goal was to understand the internal structures that influence mechanical properties and material behavior under different conditions.

We examined samples of aluminum alloys, low-carbon steel (ST37), and heat-treated cast iron. Each material required a different approach in terms of sample preparation, reflecting its unique structure and hardness.

Samples were prepared using standard metallographic procedures, including grinding, polishing, and chemical etching, tailored to the material type. The goal was to reveal the microstructural features clearly without introducing artifacts.

We used an optical microscope for structural evaluation and analyzed the results using ImageJ software. This allowed us to determine phase distribution, surface composition, and carbon content — key indicators for interpreting mechanical performance and material treatment history.

This project helped me develop confidence in basic microstructural interpretation techniques and understand how microstructure relates to real-world applications in materials engineering.