Nanoscale AFM and TEM Observations of Elementary Dislocation Mechanisms
Jozef Veselý
Broschiertes Buch

Nanoscale AFM and TEM Observations of Elementary Dislocation Mechanisms

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This thesis addresses elementary dislocation processes occurring in single-crystalline alloys based on Fe-Al, and investigates correspondences between dislocation distribution inside crystals characterized by transmission electron microscopy (TEM) and surface patterns observed using atomic force microscopy (AFM). Fe-Al alloys with different degrees of ordering were prepared and deformed in compression at ambient temperature in-situ inside the AFM device. The evolution of slip line structures was captured in the sequences of AFM images and wavy slip bands, while cross slip at the tip of the sli...