| 超声冲击处理改善焊接接头力学特性研究进展 |
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| 引用本文： | 周南阳, 何亮, 程彬, 杜义. 超声冲击处理改善焊接接头力学特性研究进展[J]. 材料开发与应用, 2023, 38(5): 94-98. |
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| 作者姓名： | 周南阳 何亮 程彬 杜义 |
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| 作者单位： | 1. 江南造船(集团)有限责任公司, 上海 200000;;2. 中国船舶集团有限公司第七二五研究所, 河南 洛阳 471023 |
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| 摘 要： | 焊接接头处往往存在较高的残余应力,使得焊接接头成为焊接结构的薄弱区域。而超声冲击处理可以有效改善焊接接头力学特性,在各领域得到了广泛应用。本研究主要介绍超声冲击技术在降低残余应力和提高接头疲劳性能方面的研究情况,以及随焊超声冲击技术的最新相关研究和应用。
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| 关 键 词： | 超声冲击 残余应力 疲劳性能 |
| 收稿时间： | 2022-12-10 |
Research Progress in Improving Mechanical Properties of Welded Joints by Ultrasonic Impact Treatment |
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| ZHOU Nanyang, HE Liang, CHENG Bin, DU Yi. Research Progress in Improving Mechanical Properties of Welded Joints by Ultrasonic Impact Treatment[J]. Development and Application of Materials, 2023, 38(5): 94-98. |
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| Authors: | ZHOU Nanyang HE Liang CHENG Bin DU Yi |
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| Affiliation: | 1. Jiangnan Shipyard (Group) Co., Ltd., Shanghai 20000, China;;2. Luoyang Ship Material Research Institute, Luoyang 471023, China |
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| Abstract: | Structural failure of welded joints due to high residual stress is a common technical problem in welded structures. For ultrasonic impact treatment can effectively improve the mechanical properties of welded joints, it has been widely used in various fields. In this study, we focus on the research of ultrasonic impact technology in reducing residual stresses and improving fatigue properties of welded joints, as well as the latest related research and application of the ultrasonic impact technology with welding. |
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| Keywords: | ultrasonic impact residual stress fatigue performance |
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