Review of Status about the Effect of Ultrasonic Impact on Fatigue Properties of Welded Joints of Magnesium Alloy

Abstract:

The study on magnesium alloy has attracted attention at home and abroad. Status and development trend about the fatigue properties of welded joints of magnesium alloy were reviewed. The main problems and deficiencies were pointed out, and the recent development's focus was outlined. The development trend of improving the fatigue propeties and fatigue life was analyzed. The ultrasonic impact method can not only decrease the stress concentration coefficient and tensile residual stress of welded joint, but also refine the grain size of welded joints, even to compressive stress and nanograins. The method has put forward a new way for increasing fatigue properties and life of welded joint of magnesium alloy.

• Periodical: Advanced Materials Research (Volume 668)
• Pages: 835-839
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.668.835
• Online since: March 2013
• Authors: Ying Xia Yu, Bo Lin He, Bin Wang, Shang Yu Zhou
• Keywords: Fatigue Propeties, Magnesium Alloy, Ultrasonic Impact, Welded Joint

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