CAREER: Vibration-Assisted Laser Keyhole Welding to Improve Joint Properties

职业:振动辅助激光小孔焊接可改善接头性能

基本信息

  • 批准号:
    1752218
  • 负责人:
  • 金额:
    $ 50万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-04-01 至 2022-04-30
  • 项目状态:
    已结题

项目摘要

Welding-critical industries represent about one-third of the Gross Domestic Product (GDP) of the United States, and as such this project on vibration-assisted laser keyhole welding advances the national prosperity and welfare; it also has numerous defense applications so that this project secures the national defense. Any improvements in welding productivity and performance can potentially save billions of dollars for the country. Laser welding is a promising process that can improve the welding speed by tens and even hundreds of times compared with conventional welding processes such as arc welding and electric resistance welding. However, laser welding can suffer from several problems, including high porosity, coarse grains, and brittle intermetallic compounds in the joints, all of which can reduce performance. This Faculty Early Career Development Program (CAREER) project is focused on a novel process called Vibration-assisted Laser Keyhole Welding (V-LKW) and aims to study how the laser vibration will help to solve the aforementioned problems in laser welding. Experimentation and numerical modeling will be used simultaneously to investigate the fundamental physics in V-LKW. The research, if successful, will significantly advance scientific understanding of the complex phenomena in V-LKW, and promote the applications of this novel process in the manufacturing industry (especially the automotive and aerospace sectors) for the improvement of welding productivity and performance. The educational objective of this project is to engage and prepare students for the intellectual challenges in modern manufacturing technologies. Outreach activities to high school students will be conducted to cultivate their interests in manufacturing technology and encourage them to explore engineering as their future careers.This CAREER project will focus on a novel Vibration-assisted Laser Keyhole Welding (V-LKW) process. The research objective is to test the hypothesis that the properties of V-LKW joints can be significantly improved through the mechanisms of porosity reduction, grain refinement, and intermetallic reduction, all of which are functions of the vibration direction, amplitude, and frequency of the laser. In-process time-resolved observation techniques, post-process microstructural/mechanical characterization methods, and a multi-physics numerical model will be used to identify the process-structure-property relationship of V-LKW and understand the fundamental physics in V-LKW. If successful, this project will advance our understanding of laser-matter interaction, keyhole dynamic behavior, vibration generation/transmission, multi-phase thermo-fluid flow, and solidification phenomena in V-LKW. The research will enable the improvement of welding productivity and joint properties in the manufacturing of many products, including but not limited to automobiles, thermal management devices, electronic devices, and medical devices. The outreach and education activities will improve the education of manufacturing science and engineering at the University of Utah, attract more high school, college, and minority students to choose careers in engineering and manufacturing, and strength the university's connection to local communities. Research results will be disseminated in a timely manner through journal/conference publications and interactions with industries.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
焊接关键行业约占美国国内生产总值(GDP)的三分之一,因此振动辅助激光小孔焊接项目促进了国家的繁荣和福利;它也有许多国防应用,因此该项目确保了国防。焊接生产率和性能的任何改进都可能为该国节省数十亿美元。激光焊接是一种很有前途的工艺,与电弧焊、电阻焊等传统焊接工艺相比,可以将焊接速度提高数十倍甚至数百倍。 然而,激光焊接可能存在几个问题,包括接头中的高孔隙率、粗晶粒和脆性金属间化合物,所有这些都会降低性能。这个教师早期职业发展计划(CAREER)项目的重点是一种称为振动辅助激光小孔焊接(V-LKW)的新工艺,旨在研究激光振动如何帮助解决激光焊接中的上述问题。实验和数值模拟将同时用于研究V-LKW的基本物理。该研究如果成功,将大大推进对V-LKW复杂现象的科学理解,并促进这种新工艺在制造业(特别是汽车和航空航天领域)的应用,以提高焊接生产率和性能。该项目的教育目标是让学生为现代制造技术的智力挑战做好准备。为培养高中生对制造技术的兴趣,并鼓励他们将工程作为未来的职业,我们将开展针对高中生的外展活动。这个CAREER项目将专注于一种新颖的振动辅助激光小孔焊接(V-LKW)工艺。研究的目的是测试的假设,即V-LKW接头的性能可以显着提高,通过减少孔隙率,晶粒细化,金属间化合物减少,所有这些都是振动方向,振幅和频率的激光的函数的机制。在过程中的时间分辨观察技术,后处理微观结构/机械表征方法,和多物理数值模型将被用来识别V-LKW的工艺-结构-性能关系,并了解V-LKW的基本物理。如果成功的话,这个项目将推进我们对激光-物质相互作用,小孔动力学行为,振动产生/传输,多相热流体流动和V-LKW凝固现象的理解。该研究将能够提高许多产品制造中的焊接生产率和接头性能,包括但不限于汽车,热管理设备,电子设备和医疗设备。推广和教育活动将改善犹他州大学的制造科学和工程教育,吸引更多的高中,大学和少数民族学生选择工程和制造业的职业,并加强大学与当地社区的联系。研究成果将通过期刊/会议出版物和与行业的互动及时传播。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Effect of Laser-Matter Interaction on Molten Pool Flow and Keyhole Dynamics
  • DOI:
    10.1103/physrevapplied.11.064054
  • 发表时间:
    2019-06-24
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Kouraytem, Nadia;Li, Xuxiao;Tan, Wenda
  • 通讯作者:
    Tan, Wenda
Bulk-Explosion-Induced Metal Spattering During Laser Processing
  • DOI:
    10.1103/physrevx.9.021052
  • 发表时间:
    2019-06
  • 期刊:
  • 影响因子:
    12.5
  • 作者:
    Cang Zhao;Qilin Guo;Xuxiao Li;N. Parab;K. Fezzaa;W. Tan;Lianyi Chen;T. Sun
  • 通讯作者:
    Cang Zhao;Qilin Guo;Xuxiao Li;N. Parab;K. Fezzaa;W. Tan;Lianyi Chen;T. Sun
Critical instability at moving keyhole tip generates porosity in laser melting
  • DOI:
    10.1126/science.abd1587
  • 发表时间:
    2020-11-27
  • 期刊:
  • 影响因子:
    56.9
  • 作者:
    Zhao, Cang;Parab, Niranjan D.;Sun, Tao
  • 通讯作者:
    Sun, Tao
Investigation of metal mixing in laser keyhole welding of dissimilar metals
  • DOI:
    10.1016/j.matdes.2020.109056
  • 发表时间:
    2020-10-01
  • 期刊:
  • 影响因子:
    8.4
  • 作者:
    Huang, Wenkang;Wang, Hongliang;Tan, Wenda
  • 通讯作者:
    Tan, Wenda
Energy-Coupling Mechanisms Revealed through Simultaneous Keyhole Depth and Absorptance Measurements during Laser-Metal Processing
  • DOI:
    10.1103/physrevapplied.13.064070
  • 发表时间:
    2020-06-29
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Allen, Troy R.;Huang, Wenkang;Simonds, Brian J.
  • 通讯作者:
    Simonds, Brian J.
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Wenda Tan其他文献

Laser keyhole welding of dissimilar metals with spiral contours: Metal mixing, microstructure, and mechanical strength
具有螺旋轮廓的异种金属激光小孔焊接:金属混合、微观结构和机械强度
  • DOI:
    10.1016/j.jmapro.2025.02.071
  • 发表时间:
    2025-05-15
  • 期刊:
  • 影响因子:
    6.800
  • 作者:
    Guanjin Yan;Masoud M. Pour;Teresa J. Rinker;Junjie Ma;Blair E. Carlson;Wenda Tan
  • 通讯作者:
    Wenda Tan
Dilution rate and microstructure of TIG arc Ni-Al powder surfacing layer
  • DOI:
    10.1007/s11465-007-0003-0
  • 发表时间:
    2007-03-01
  • 期刊:
  • 影响因子:
    4.000
  • 作者:
    Jiguo Shan;Wei Dong;Wenda Tan;Di Zhang;Jialie Ren
  • 通讯作者:
    Jialie Ren
Mechanism comparisons of transport-deposition-reentrainment between microplastics and natural mineral particles in porous media: A theoretical and experimental study
多孔介质中微塑料与天然矿物颗粒的传输-沉积-再夹带机制比较:理论和实验研究
  • DOI:
    10.1016/j.scitotenv.2022.157998
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    9.8
  • 作者:
    Yang Wang;Yuxuan Xie;Wei Fan;Zihao Yang;Wenda Tan;Mingxin Huo;Yang Huo
  • 通讯作者:
    Yang Huo
Data-driven investigation of pore formation mechanisms in laser welding of Al-Cu
Al-Cu 激光焊接气孔形成机制的数据驱动研究
  • DOI:
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    6.2
  • 作者:
    Kyubok Lee;Teresa Rinker;Changbai Tan;Masoud M. Pour;Guanjin Yan;Wenda Tan;Jingjing Li
  • 通讯作者:
    Jingjing Li
Multiphysics Modeling Framework to Predict Process-Microstructure-Property Relationship in Fusion-Based Metal Additive Manufacturing
用于预测基于融合的金属增材制造中工艺-微观结构-性能关系的多物理场建模框架
  • DOI:
    10.1021/accountsmr.3c00108
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    14.6
  • 作者:
    Wenda Tan;Ashley Spear
  • 通讯作者:
    Ashley Spear

Wenda Tan的其他文献

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{{ truncateString('Wenda Tan', 18)}}的其他基金

Collaborative Research: Probing Particle Impact onto Molten Metal Pool in Laser Directed Energy Deposition by Synchrotron Imaging and Process Modeling
合作研究:通过同步加速器成像和过程建模探测激光定向能量沉积中的粒子对熔融金属池的影响
  • 批准号:
    2139075
  • 财政年份:
    2022
  • 资助金额:
    $ 50万
  • 项目类别:
    Standard Grant
Collaborative Research: Modulating Powder Bed Cohesion to Reduce Defects in Binder Jetting
合作研究:调节粉床内聚力以减少粘合剂喷射缺陷
  • 批准号:
    2223002
  • 财政年份:
    2021
  • 资助金额:
    $ 50万
  • 项目类别:
    Standard Grant
CAREER: Vibration-Assisted Laser Keyhole Welding to Improve Joint Properties
职业:振动辅助激光小孔焊接可改善接头性能
  • 批准号:
    2223007
  • 财政年份:
    2021
  • 资助金额:
    $ 50万
  • 项目类别:
    Standard Grant
Collaborative Research: Physical Mechanism of Melt Pool Oscillation and Spatter Formation in Laser Powder Bed Fusion Additive Manufacturing
合作研究:激光粉末床熔融增材制造中熔池振荡和飞溅形成的物理机制
  • 批准号:
    2223014
  • 财政年份:
    2021
  • 资助金额:
    $ 50万
  • 项目类别:
    Standard Grant
Collaborative Research: Modulating Powder Bed Cohesion to Reduce Defects in Binder Jetting
合作研究:调节粉床内聚力以减少粘合剂喷射缺陷
  • 批准号:
    1946743
  • 财政年份:
    2020
  • 资助金额:
    $ 50万
  • 项目类别:
    Standard Grant
Collaborative Research: Physical Mechanism of Melt Pool Oscillation and Spatter Formation in Laser Powder Bed Fusion Additive Manufacturing
合作研究:激光粉末床熔融增材制造中熔池振荡和飞溅形成的物理机制
  • 批准号:
    1933368
  • 财政年份:
    2019
  • 资助金额:
    $ 50万
  • 项目类别:
    Standard Grant

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CAREER: Vibration-Assisted Laser Keyhole Welding to Improve Joint Properties
职业:振动辅助激光小孔焊接可改善接头性能
  • 批准号:
    2223007
  • 财政年份:
    2021
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    $ 50万
  • 项目类别:
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Feasibility Study of Vibration-Assisted Increment Sheet Forming for Hard-to-Deform Materials
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  • 批准号:
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