2023. Fractographic Study on the Fatigue Failure Surfaces of Heat-Treated and Shot Peened EN- 8 Steel (080M40/AISI 1040): FRACTOGRAPHIC ANALYSIS ON FATIGUE SURFACE OF HEAT- TREATED AND SHOT PEENED EN-8. Indian Journal of Engineering and Materials Sciences (IJEMS). 30, 4 (Aug. 2023), 597–602. DOI:https://doi.org/10.56042/ijems.v30i4.961.