Material Processing using Laser Induced Droplet Vaporization

使用激光诱导液滴蒸发进行材料加工

• 批准号: EP/L01968X/1
• 负责人: Sundar Marimuthu
• 金额: $ 12.82万
• 依托单位: Loughborough University
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2014
• 资助国家: 英国
• 起止时间: 2014 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=EP%2FL01968X%2F1
• 关键词: Material; Processing; using; Laser; Induced

There is an increasing demand for high performance materials many of which are incompatible with conventional manufacturing processes due to their sensitivity with heat and abrasion (e.g. carbon fibre reinforced polymer (CFRP), polymers, thin films, semiconductor wafers). Surface preparation of these advanced materials is usually essential to exploiting their enhanced properties in engineering applications. This project concerns the development of a new, low temperature material processing technique using impulsive shock waves of liquid vapour as a generic manufacturing tool, called material processing by laser induced droplet vaporisation (LIDV). LIDV uses a pulsed laser to vaporise a stream of droplets to produce a succession of impacting shock waves at the surface of the component of interest. By exploiting the precision of modern droplet generation technologies with the power and control of a laser source, well-regulated impulsive forces can be achieved at a level sufficient to remove surface contaminants and/or to modify the surface mechanical properties (roughness and hardness). The project will undertake proof-of-principle experiments to establish the benefits of LIDV as a means to clean and modify the surface of CFRP. CFRP presents a particular problem since a multi-stage surface preparation process is required as all traces of surface contaminants and chemical agents that are exhumed during production must be removed before final assembly. It is expected that the LIDV process could provide more accurate and efficient surface modification of high performance materials than at present and that it will also open the door for exciting breakthroughs in peening, thin films transfer, hardening and alloying.

对高性能材料的需求不断增加，其中许多材料由于对热和磨损敏感而与传统制造工艺不兼容（例如碳纤维增强聚合物（CFRP）、聚合物、薄膜、半导体晶片）。这些先进材料的表面处理通常对于在工程应用中发挥其增强性能至关重要。该项目涉及开发一种新的低温材料加工技术，使用液体蒸汽的脉冲冲击波作为通用制造工具，称为激光诱导液滴汽化材料加工（LIDV）。 LIDV 使用脉冲激光蒸发液滴流，在感兴趣的部件表面产生一系列冲击波。通过利用现代液滴生成技术的精度以及激光源的功率和控制，可以在足以去除表面污染物和/或改变表面机械性能（粗糙度和硬度）的水平上实现良好调节的脉冲力。该项目将进行原理验证实验，以确定 LIDV 作为清洁和改性 CFRP 表面的手段的优势。 CFRP 存在一个特殊的问题，因为需要多阶段的表面处理过程，因为在最终组装之前必须去除生产过程中挖掘出的所有表面污染物和化学制剂的痕迹。预计 LIDV 工艺可以为高性能材料提供比目前更准确、更高效的表面改性，并且还将为喷丸、薄膜转移、硬化和合金化方面令人兴奋的突破打开大门。

项目成果

Droplet Assisted Nanosecond Fibre Laser Micromachining

• DOI: 10.1007/s40516-021-00162-2
• 发表时间: 2022-01
• 期刊: Lasers in Manufacturing and Materials Processing
• 作者: S. Marimuthu;Zhehao Jiang;A. M. Kamara

Corrigendum to "Droplet assisted laser micromachining of hard ceramics" [J. Eur. Ceram. Soc. 36 (September (11)) (2016) 2689-2694]

《硬质陶瓷的液滴辅助激光微加工》勘误[J].

• DOI: 10.1016/j.jeurceramsoc.2016.06.026
• 发表时间: 2016
• 期刊: Journal of the European Ceramic Society
• 影响因子: 5.7
• 作者: López López J

Laser Technology - Applications in Adhesion and Related Areas

激光技术 - 在粘合及相关领域的应用

• DOI: 10.1002/9781119185031.ch9
• 发表时间: 2018
• 作者: Marimuthu S

Developments in Surface Contamination and Cleaning: Types of Contamination and Contamination Resources

表面污染和清洁的发展：污染类型和污染资源

• DOI: 10.1016/b978-0-323-43158-3.00003-4
• 发表时间: 2017
• 作者: López J

Laser Surface Modification of Carbon Fiber Reinforced Composites

• DOI: 10.1080/10426914.2015.1019097
• 发表时间: 2015-12-02
• 期刊: MATERIALS AND MANUFACTURING PROCESSES
• 影响因子: 4.8
• 作者: Nattapat, M.;Marimuthu, S.;Esfahani, M. R. Nekouie
• 通讯作者: Esfahani, M. R. Nekouie