Open AccessEffect of Ultrasonic Peening on Impact Strength of Low Carbon Steel AISI 1020
Author(s) -
Jenan Mohammed Naje,
Nidaa Hameed Dawood,
Sara Saad Ghazi
Publication year - 2019
Publication title -
xi'nan jiaotong daxue xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.308
H-Index - 21
ISSN - 0258-2724
DOI - 10.35741/issn.0258-2724.54.6.26
Subject(s) - peening , materials science , residual stress , metallurgy , ultrasonic sensor , base metal , carbon steel , microstructure , laser peening , carbon fibers , composite material , welding , corrosion , composite number , physics , acoustics
This paper explores the effect of ultrasonic peening using various passes on an impact strength of AISI 1020 low carbon steel. Many ASTM E23 impact specimens were prepared from the chosen metal and exposed to multi-pass ultrasonic peening (1,2,3 pass). Microstructure, hardness, residual stresses, and impact tests on ultrasonic peened and not peened samples were performed. Ultrasonic peening contributed to increasing the impact strength, due to the increase in comparative residual stress and hardness. Three passes show improvement in strength by (29.7%), comparative with the base metal.