NDLI: Effect of Ultrasonic Peening Treatment on VHCF Behavior of Friction Stir Welded Joints in Aluminum Alloys

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Effect of Ultrasonic Peening Treatment on VHCF Behavior of Friction Stir Welded Joints in Aluminum Alloys

Content Provider	Scilit
Author	Zhang, Ruofan Li, Xue Liu, Yongjie He, Chao Wang, Qingyuan
Copyright Year	2019
Description	Journal: Iop Conference Series: Materials Science and Engineering Studying the mechanical properties of aluminum alloy 6061 friction stir welded (FSW) joints after ultrasonic peening treatment (UPT) under very high cycle fatigue (VHCF) loading. The effect of joints ultrasonic peening treatment was explored. It can be seen from the results that the ultrasonic peening treatment can form a reinforced layer on the surface of joints, and the fatigue crack source is transferred from the surface of the specimen to the inside. However, the change of fatigue crack initiation site does not improve the fatigue strength of specimen through ultrasonic peening treatment. The fatigue strength of the aluminum alloy 6061 joint after ultrasonic peening treatment is even lower than as a received condition. The characteristics of fatigue crack initiation and the mechanism of surface strengthened layer on fatigue strength were analyzed and discussed.
Related Links	https://iopscience.iop.org/article/10.1088/1757-899X/611/1/012011/pdf
ISSN	17578981
e-ISSN	1757899X
DOI	10.1088/1757-899x/611/1/012011
Journal	Iop Conference Series: Materials Science and Engineering
Issue Number	1
Volume Number	611
Language	English
Publisher	IOP Publishing
Publisher Date	2019-10-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Materials Science and Engineering Manufacturing Engineering Characterization and Testing of Materials Aluminum Alloy Ultrasonic Peening Treatment
Content Type	Text
Resource Type	Article

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