Effect of Room Temperature Fine Particle Peening Pretreatment on Grain Refinement of Fe–Cr Alloys by AIH-FPP

Fine particle peening (FPP) at room temperature was introduced to create finer grains the surfaces of Fe–Cr alloys that were then treated by atmospheric controlled induction heating FPP (AIH-FPP). The effect proposed treatment on grain refinement behavior investigated using optical microscopy and micro-Vickers hardness testing. pretreatment increased effectiveness via dynamic recrystallization during subsequent AIH-FPP. Grain surface progressed with an increase in cycles treatment. addition Cr promotes formation fine Specimens created static also prepared compared formed AIH-FPP evaluate through than those recrystallization. These results indicate combination is effective for alloys.