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基于非激光参数调整的表面冲击工艺研究进展
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1.山东大学;2.中国航发北京航空材料研究院;3.中国科学院金属研究所;4.广东工业大学

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基金项目:

国家重点研发计划(2023YFE0106500)、国家自然科学基金(52171073)


RESEARCH PROGRESS ON THE METHODS OF SHOCK TREATMENT BASED ON THE ADJUSTMENT OF NON-LASER PARAMETERS
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Affiliation:

1.National Key Laboratory of High-end Metal Forming Equipment and Advanced Technology School of Material Science and Engineering,Shandong University,Jinan;2.Shichangxu Advanced Materials Innovation Center,Institute of Metal Research,Chinese Academy of Sciences,Shenyang

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    摘要:

    材料疲劳延寿以及复杂形状零部件加工等工业需求不断提高,对激光冲击过程中的具体工艺方法进行合理改进和优化已尤为迫切。本文针对激光冲击处理在航空制造等重大工业应用领域所面临的具体需求,综述了最新发展的若干工艺改进方法。所涉及工艺优化策略摆脱激光冲击对高性能激光器的设备依赖,从非激光参数调整的角度实现更具经济性和可行性的表面防护与加工的应用目标。所指非激光参数包括吸收层、约束层以及激光与材料离焦状态等可调节指标,该类指标工艺设定区间广泛且易控,并体现出良好的异形构件适应性。

    Abstract:

    With the further improvement of material fatigue life extension and processing of parts with complex shapes, laser shock processing has encountered more and more obstacles in practical applications and it is particularly urgent to improve and optimize the specific processing methods in laser shock treatments. Using the stress effect produced by pulsed lasers to process materials in various fields still has broad prospects. Given the specific needs of laser shock in different industrial applications, several processing improvement methods which get rid of the equipment dependence on high-performance laser units were proposed. The non-laser parameters referred to include adjustable indicators such as the absorption layer, constraint layer, and defocusing state between laser and material. The selected material, thickness, and other related attributes of the absorption layer and the constraint layer directly affect the intensity of laser-induced shock waves, while changes in defocusing amount lead to differences in physical or chemical effects on the material surface. The process setting range for the above non-laser indicators is wide and easy to control, and reflects good adaptability of irregular components. The development of new technologies for equal (unequal)-strength and high-strength surface strengthening based on changes in these indicators, as well as new green packaging technologies such as laser marking, are introduced in detail. The new ideas behind these new methods are expected to inspire researchers to further explore the application potential of green lasers.

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卢国鑫,罗学昆,王强,刘纪德,王欣,张永康,李金国,陆峰.基于非激光参数调整的表面冲击工艺研究进展[J].稀有金属材料与工程,2024,53(11):3246~3258.[LU Guoxin, LUO Xuekun, WANG Qiang, LIU Jide, WANG Xin, ZHANG Yongkang, LI Jinguo, LU Feng. RESEARCH PROGRESS ON THE METHODS OF SHOCK TREATMENT BASED ON THE ADJUSTMENT OF NON-LASER PARAMETERS[J]. Rare Metal Materials and Engineering,2024,53(11):3246~3258.]
DOI:10.12442/j. issn.1002-185X.20230616

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历史
  • 收稿日期:2023-10-04
  • 最后修改日期:2023-11-17
  • 录用日期:2023-11-17
  • 在线发布日期: 2024-11-20
  • 出版日期: 2024-11-08