The growth of α-Fe(Si) nanocrystalline grains as a function temperature in amorphous Fe76.5-xNbxCu1Si13.5B9 (x=1, 3, 5, 7) alloys and study their hardness. AJSE [Internet]. 2026 May 31 [cited 2026 Jun. 2];24(2):98-106. Available from: https://ajse.aiub.edu/index.php/ajse/article/view/1221