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Propagation Characteristics and Parameter Optimization of Laser Ultrasonic Sound Field
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Wei-long ZHAO1, Zhong-hu LI1, *, Xin-yu ZHANG2, Jin-ming WANG1, Li-qing YANG1
Science Technology and Engineering | 2025, 25(3) : 1102 - 1109
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Science Technology and Engineering | 2025, 25(3): 1102-1109
• Papers·Electronic and Communicational Technology •
Propagation Characteristics and Parameter Optimization of Laser Ultrasonic Sound Field
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Wei-long ZHAO1, Zhong-hu LI1, *, Xin-yu ZHANG2, Jin-ming WANG1, Li-qing YANG1
Affiliations
  • 1. School of Automation and Electrical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, China
  • 2. School of Mechanical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, China
Published: 2025-01-28 doi: 10.12404/j.issn.1671-1815.2402572
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Laser ultrasonic detection technology possesses unique advantages combining ultrasonic and optical methods, enabling non-contact detection while enhancing temporal and spatial resolution. To enhance the excitation efficiency and defect detection accuracy of laser ultrasound, optimization of laser source parameters is necessary to improve energy exchange efficiency and reduce costs. Research has been conducted on the propagation characteristics of laser ultrasonic sound fields under various conditions. Numerical simulations of the process of laser ultrasonic action on X80 pipelines were performed using COMSOL Multiphysics finite element software, and the accuracy of the model was verified. The relationship between laser source parameters and ultrasonic field was studied by combining the set laser pulse width and laser spot radius, and further analysis of the relevant data was carried out using MATLAB. The analysis results indicate that when the pulse width is set to 20 ns and the spot radius is set to 300 μm, laser ultrasonics exhibit relatively optimal excitation efficiency in X80 pipelines. This provides important reference for improving the excitation efficiency of laser sources.

laser ultrasonic  /  numerical simulation  /  nondestructive testing  /  parameter optimization
Wei-long ZHAO, Zhong-hu LI, Xin-yu ZHANG, Jin-ming WANG, Li-qing YANG. Propagation Characteristics and Parameter Optimization of Laser Ultrasonic Sound Field[J]. Science Technology and Engineering, 2025 , 25 (3) : 1102 -1109 . DOI: 10.12404/j.issn.1671-1815.2402572
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Year 2025 volume 25 Issue 3
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Article Info
doi: 10.12404/j.issn.1671-1815.2402572
  • Receive Date：2024-04-09
  • Online Date：2025-07-29
  • Published：2025-01-28
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  • Received：2024-04-09
  • Revised：2024-07-18
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Affiliations
    1. School of Automation and Electrical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, China
    2. School of Mechanical Engineering, Inner Mongolia University of Science and Technology, Baotou 014010, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
Number of
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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