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Development of Laser Cutting and Joining Processing

Chen Li, Gong Shuili, He Enguang

Strategic Study of CAE 2020, Volume 22, Issue 3, Pages 78-84 doi: 10.15302/J-SSCAE-2020.03.012

Abstract:

Laser cutting and joining technology is indispensable as an advancedbe surely promoted by the integration of laser technology and digital manufacturing technology.joining and cutting technology, namely, laser welding, laser cutting, laser drilling, and laser markingof the fundamental processes and equipment so as to improve key technologies in laser processingunit, laser materials processing, and intelligent integration.

Keywords： laser material processing laser welding laser cutting laser drilling laser marking

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zone-layered trimming method for ceramic core of aero-engine blade based on an advanced reconfigurable laserprocessing system

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0675-5

Abstract: This paper proposes an ultrafast laser processing system for trimming complex ceramic structural partsOpto-electromechanical cooperative control software is developed to control the laser processing systemA zonal and layering processing method for three-dimensional contours on complex surfaces is proposedThe results show that the laser system and the method proposed in this paper are suitable for trimming

Keywords： ceramic parts trimming computer-aided laser manufacturing 3D vision reconfigurable laser processing

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Development Status and Trend of China’s Excimer Laser Technology

Fan Yuanyuan, Zhou Yi, Guo Xin, Wang Qian, Jin Chunshui, Lou Qihong

Strategic Study of CAE 2020, Volume 22, Issue 3, Pages 29-34 doi: 10.15302/J-SSCAE-2020.03.005

Abstract:

Excimer laser has important applications in integrated circuit lithography, materials processing, medicine, and scientific research due to its short wavelength and high pulseHowever, there remains a big gap in the high-end excimer laser technology between China and the internationalSecond, the development status and requirements of the excimer laser technology and its related typicalThird, the main issues of the development of domestic excimer laser technology were proposed.

Keywords： laser，excimer laser technology，material processing

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Processing parameter optimization of fiber laser beam welding using an ensemble of metamodels and MOABC

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0703-5

Abstract: In fiber laser beam welding (LBW), the selection of optimal processing parameters is challenging andEM constructs the correlation between processing parameters (laser power, welding speed, and distanceFurthermore, the main effect and the interaction effect of processing parameters on bead geometries are

Keywords： laser beam welding parameter optimization metamodel multi-objective

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Chromium steel from chromite ore processing residue----A valuable construction material from a waste

Jay N. MEEGODA, Wiwat KAMOLPORNWIJIT

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2, Pages 159-166 doi: 10.1007/s11783-011-0325-3

Abstract: study is to demonstrate an efficient and optimum way to recover chromium and iron from chromite ore processingThe research demonstrated the feasibility of recovering a valuable construction material (chrome steel

Keywords： chromite ore processing residue chromium steel reduction thermal treatment beneficial use

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Optoelectronic Crystals, All-Solid-State Lasers and their Applications——An Important Course of Optoelectronics R & D

Xu Zuyan

Strategic Study of CAE 1999, Volume 1, Issue 2, Pages 72-77

Abstract: technology and material science.The appearance of optical fibers and laser diodes in the 1960s, one major contribution of optoelectroniccontribution to more national pillar industries in the first half of the next century, in various aspects like materialprocessing in advanced manufacturing, optical storage in information technology, laser displays in entertainment, laser fusion power station, nuclear fission material processing, upgrading of laser weapons, etc.

Keywords： optoelectronic crystals all-solid-state lasers material processing optical storage laser displays laser

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Development of Laser Surface Modification Technology

Zhang Qunli, Wang Liang, Mei Xuesong, Yao Jianhua

Strategic Study of CAE 2020, Volume 22, Issue 3, Pages 71-77 doi: 10.15302/J-SSCAE-2020.03.010

Abstract:

The laser surface modification technology uses high-energy-density laserlocal vulnerable and consumable areas of components, which can achieve the desired performances on materialTaking three typical laser surface modification technologies—laser shock processing, laser quenchingIt also proposes the key research directions, including special alloy material preparation, multi-energy-fieldcomposited laser surface modification, on-site laser remanufacturing, laser shock processing with controlled

Keywords： laser surface modification laser shock processing laser quenching laser cladding development trend

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Observation of premixed flame fronts by laser tomography

MU Kejin, WANG Yue, LEI Yu, ZHANG Zhedian, NIE Chaoqun, XIAO Yunhan

Frontiers in Energy 2008, Volume 2, Issue 4, Pages 427-432 doi: 10.1007/s11708-008-0069-3

Abstract: The principle of combustion field detection by using laser tomography, as well as exploitation of thelaser tomography apparatus and the tool for image processing is described.An experiment detecting flame fronts by laser tomography was made by employing a V-shaped premixed flamethe flame fronts are precisely tracked through active contour models (ACM) from the digital images of laser

Keywords： combustion tomography apparatus processing exploitation propagation

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Ultra-Short Pulsed Laser Manufacturing and Surface Processing of Microdevices Review

Yongchao Yu, Shi Bai, Shutong Wang, Anming Hu

Engineering 2018, Volume 4, Issue 6, Pages 779-786 doi: 10.1016/j.eng.2018.10.004

Abstract:

Ultra-short laser pulses possess many advantages for materials processing., it is a promising tool for micro- and submicro-sized precision processing.ultra-short pulses provides a promising method for the fabrication of various structures on transparent materialprocessing for real-time surfaceenhanced Raman spectroscopy (SERS).The processing mechanisms included laser ablation, laser reduction, and laser-induced surface nano-engineering

Keywords： Ultra-short pulsed laser processing Microdevices Supercapacitor Electronic tongue Surface-enhanced Raman

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Development of Micro Selective Laser Melting: The State of the Art and Future Perspectives Review

Balasubramanian Nagarajan, Zhiheng Hu, Xu Song, Wei Zhai, Jun Wei

Engineering 2019, Volume 5, Issue 4, Pages 702-720 doi: 10.1016/j.eng.2019.07.002

Abstract: Selective laser melting (SLM) is a common AM technique that is based on powder-bed fusion (PBF) to processSLM is attractive due to a number of factors, including a faster cycle time, process simplicity, and materialresearch works and commercial systems for the fabrication of microscale parts using SLM and selective laseraddition to identifying existing issues with SLM at the microscale, which include powder recoating, laser

Keywords： Additive manufacturing Selective laser melting Microfabrication Hybrid processing Powder-bed recoating

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China’s Polylactic Acid Industry: Current Status and Development Strategies

Wang Zhengxiang

Strategic Study of CAE 2021, Volume 23, Issue 6, Pages 155-166 doi: 10.15302/J-SSCAE-2021.06.015

Abstract: renewable, and biodegradable polymer, has been gradually developing as a kind of fundamental bulk raw materialbio-manufacturing of lactic acid monomer; chemical polymerization of lactic acid monomer; modification, processingcollected with the latest technical achievements in bio-fermentation industry, chemical industry, polymer materialaspects focusing on the problems and countermeasures in the development of China’s polylactic acid material

Keywords： polylactic acid monomer production chemical synthesis material modification and processing industry

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Temperature field simulation of laser homogenizing equipment

Juanjuan WANG, Yunshan WANG, Fudong ZHU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1, Pages 49-52 doi: 10.1007/s11465-009-0005-1

Abstract: The laser homogenizing equipment was devised using the ring scanning principle.A laser scanning ring facula is obtained when the laser beam goes through the equipment’s optical systemhardness layer and better process quality can be attained using the ring facula optimized for metal laser

Keywords： laser homogenizing technology laser scanning ring facula temperature field

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Strategic Research on China’s Laser Technology and Its Application by 2035

Research Group of Strategic Research on China’s Laser Technology and Its Application by 2035

Strategic Study of CAE 2020, Volume 22, Issue 3, Pages 1-6 doi: 10.15302/J-SSCAE-2020.03.001

Abstract:

To promote the development of laser technology and its application, theAcademy of Engineering launched a major consulting project “Strategic Research on China’s LaserIt briefly analyzes laser technology and its instrumental, leading, and disruptive role in scientificinnovation ecology of laser industry.cultivation of the laser and optical disciplines.

Keywords： laser technology，laser manufacturing，laser communication，laser diagnosis and treatment

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Development of lunar regolith composite and structure via laser-assisted sintering

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0662-2

Abstract: In this paper, a laser-assisted additive manufacturing process is developed to fabricate lunar regolithThe process parameters and composite material compositions are optimized in an appropriate range throughThe optimal combination of composite material compositions and process parameters are mixing ratio of50/50 in volume, laser power of 30 W, scanning speed of 3500 mm/s, and scanning hatch space of 0.2 mmThereafter, the mechanical properties of laser-sintered lunar regolith composites are implemented to

Keywords： in situ manufacturing laser-assisted powder fusion process mechanical properties topological

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Review on flexible perovskite photodetector: processing and applications

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-023-0749-z

Abstract: information technology of 120, among which perovskite is a promising candidate as the light-harvesting materialoptical and electrical properties, remarkable mechanical flexibility, low-cost and low-temperature processingphotodetectors, strategies for device performance enhancement, few can be seen with a focus on the processingEmphatically, processing strategies for photodetectors are presented following, including flexible substrates

Keywords： photodetector perovskite flexible processing application