Study of samples and cross sections of wire which have been mounted and polished for examination under high power microscope
Microscopic examination of a metal's crystalline structure, used in conjunction with spectroscopy to determine the composition of a specimen's iron component and the methods by which it was refined ( smelted) into a workable metal. The metal's crystalline structure are examined, using the ferrite, pearlite, and martensite crystal structures and slag content. It can also determine the armount of carbon present in the metal and the method used to achieve heat treating.
The study of the crystalline structures of metals & alloys.
the study of various steel microstructures as seen through a microscope
Flat, polished sections of samples are examined under a microscope, typically at magnifications ranging from X50 to X1000. This is called metallography, and is used by grain refiner producers to assess quality.
Microscopic study done to determine the quality of welds by checking cross sections carefully. Material failures are also studied to see why and how they occurred.
The science concerning the constituents and structure of metals and alloys as revealed by the microscope.
Metallography is the science and art of preparing a metal surface for analysis by grinding, polishing, and etching to reveal microstructual constituents. After preparation, the sample can easily be analyzed using optical or electron microscopy. A skilled technician is able to identify alloys and predict material properties, as well as processing conditions by metallography alone.