Residual stress relief of welded aluminum alloy plate using ultrasonic vibration

doi:10.1016/j.ultras.2020.106164

CORC > 宁波材料技术与工程研究所 > 中国科学院宁波材料技术与工程研究所 > 2020专题

	Residual stress relief of welded aluminum alloy plate using ultrasonic vibration
	Zhang, Qinglong; Yu, Lei; Shang, Xiaofeng; Zhao, Su
刊名	ULTRASONICS
	2020
卷号	107
DOI	10.1016/j.ultras.2020.106164
英文摘要	Ultrasonic vibratory stress relief (UVSR) is a novel method for residual stress relieving of metal parts. In this paper, the UVSR method was applied to treat a random-sized plate, which is not designed to match with the resonant frequency of the ultrasonic transducer. The UVSR system includes an ultrasonic generator, a 20 kHz ultrasonic transducer and specially designed fixtures to exert ultrasonic vibration to the treated parts. Based on the experimental results, the average stress relief ratio reached 53% and the final residual stress distribution interval was reduced by 57. The vibratory stress introduced by the ultrasonic vibration was obtained accurately by matching the FE model with the measured vibration amplitude distribution. It is found that local yield stress, instead of macroscopic yield stress, should be used as the threshold of residual stress relieving. Moreover, if the local yield stress of a material is constant, the local yield stress of 6082 aluminum alloy is reduced by at least 27% during the UVSR. Finally, it is found that the residual stress relief rate in one direction is proportional to the vibratory stress introduced in that direction.
学科主题	Acoustics ; Radiology, Nuclear Medicine & Medical Imaging
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/20546]
专题	2020专题
作者单位	Zhao, S (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China.
推荐引用方式 GB/T 7714	Zhang, Qinglong,Yu, Lei,Shang, Xiaofeng,et al. Residual stress relief of welded aluminum alloy plate using ultrasonic vibration[J]. ULTRASONICS,2020,107.
APA	Zhang, Qinglong,Yu, Lei,Shang, Xiaofeng,&Zhao, Su.(2020).Residual stress relief of welded aluminum alloy plate using ultrasonic vibration.ULTRASONICS,107.
MLA	Zhang, Qinglong,et al."Residual stress relief of welded aluminum alloy plate using ultrasonic vibration".ULTRASONICS 107(2020).