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Využití metalografie ve strojírenství
Nejedlý, Tomáš
This thesis focuses on practical use of metallography in machine engineering. First part devotes to the technical material characteristics, their chemical composition and its application in machine engineering. This chapter also includes the issue of internal defects and practical demonstrations of internal microstructure. The following section describes the metallographic samples preparation. Phases are sorted chronologically according to their nature and technological process. Significant part of this chapter focuses on the final procedures of metallographic samples treatment, namely the polishing and etching. Major impact on phase structures image quality is the proper chemical composition of the etchant. Final part of the thesis describes the principle and nature of the light and electron microscopy. Based on the approach of image analysis the macroscopic but also lattice defects can be determined considering the selected magnification.

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