The Effect of Lamb Wave Interaction with Fatigue Crack in Thin Al Sheet

机译：兰姆波相互作用与薄铝板疲劳裂纹的影响

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The phenomenon of the Lamb wave interaction with fatigue crack in A12024-T3 sheet was investigated at cyclic loading. Mentioned effect is associated with the crack open/close that change acoustic impedance of a crack. Analytical simulation of fatigue crack opening using the generalized Dugdale's model of a crack in thin plate shows good accordance between the intensity of ultrasonic signal and a crack opening.

机译：研究了循环载荷下A12024-T3薄板的兰姆波与疲劳裂纹相互作用的现象。提及的效果与改变裂缝的声阻抗的裂缝开/关相关。使用薄板中裂纹的广义Dugdale模型对疲劳裂纹的开孔进行分析模拟，表明超声信号强度与裂纹开度之间具有良好的一致性。

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来源
《Advances in fracture and damage mechanics X》|2011年|p.65-68|共4页
会议地点 Dubrovnik(HR);Dubrovnik(HR)
作者
Vitalijs Pavelko; Igors Pavelko; Eriks Ozolinsh;
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作者单位

Lubanas iela 8-104, Riga LV-1019, Latvia;

Lomonosova iela 1B, Room B-211, Riga LV-1019, Latvia;

Lomonosova iela 1B, Room B-123, Riga LV-1019, Latvia;

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会议组织
原文格式 PDF
正文语种 eng
中图分类机械强度;工程材料试验;
关键词
lamb wave; fatigue crack; interaction;

机译：羊肉波疲劳裂纹相互作用;

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4. The Effect of Lamb Wave Interaction with Fatigue Crack in Thin Al Sheet [C] . Vitalijs Pavelko, lgors Pavelko, Eriks Ozolinsh International Conference on Fracture and Damage Mechanics . 2012

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5. Geometric approach for detecting and locating cracks in thin plates by Lamb wave reflection. [D] . Mares, Jose Rodrigo. 2004

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6. Numerical Simulation of Nonlinear Lamb Waves Used in a Thin Plate for Detecting Buried Micro-Cracks [O] . Xiang Wan, Qing Zhang, Guanghua Xu, 2014

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7. An insight into high-order harmonic generation of lamb waves induced by a breathing crack using a spring model and a local interaction simulation approach [O] . Radecki RZ, Su Z, Cheng L 2015

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8. Effects of Mechanical Load History on Lamb Wave Interactions with Fatigue Cracks in Aluminum Plates. [R] . Owens, C. T. 2017

机译：机械载荷历史对兰姆波与铝板疲劳裂纹相互作用的影响。

The Effect of Lamb Wave Interaction with Fatigue Crack in Thin Al Sheet

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