metallographer
/ˌmɛtəˈlɑɡrəfər/
noun
- A scientist or technician who studies the structure and properties of metals and alloys, especially using microscopes.
- The company hired a metallographer to figure out why the airplane part failed during testing.
- As a metallographer, she spends her days analyzing how different heat treatments change the grain structure of metals.
- The metallographer examined the steel sample under a high-powered microscope to check for cracks.