Materials | Free Full-Text | Microstructure and Mechanical ...
The test specimens were prepared by grinding and polishing, and the primary and secondary structure was visualized by etching with Adler's reagent (25 mL-H 2 O, 3 g-(NH 4) 2 CuCl 4 ·2H 2 O, 50 mL-HCl, 15g-FeCl 3). The observation was performed using a Nikon EPIPHOT 200 optical microscope (Nikon Corporation, Tokyo, Japan) and the NIS-Elements ...
