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A zone-layered trimming method for ceramic core of aero-engine blade based on an advanced reconfigurablelaser processing 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 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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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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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 laserAfter decades of development, laser surface modification technology has been widely applied to aerospaceTaking three typical laser surface modification technologies—laser shock processing, laser quenchingsurface modification, on-site laser remanufacturing, laser shock processing with controlled shape andperformance, intelligent laser surface modification, and laser surface micro-structure preparation.

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.Ultrafast laser has a significantly low thermal effect on the areas surrounding the focal point; therefore, it is a promising tool for micro- and submicro-sized precision processing.processing 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 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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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 processresearch 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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Gain-enhanced reconfigurable radiation array with mechanically driven system and directive elements

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0716-0

Abstract: the artificial intelligence-driven modern wireless communication system, antennas are required to be reconfigurableconventional antennas with constant phase distributions cannot achieve enhanced gains in different reconfigurableIn this paper, we propose a mechanically reconfigurable radiation array (RRA) based on miniaturized elementsand a mechanically reconfigurable system to obtain gain-enhanced antennas in compact and deployed statesA five-element RRA with a phase-reconfigurable center element is designed and analyzed theoretically.

Keywords： mechanism     reconfigurable radiation array (RRA)     compact state     deployed state     enhanced gain    

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Recent development on innovation design of reconfigurable mechanisms in China

Wuxiang ZHANG, Shengnan LU, Xilun DING

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1,   Pages 15-20 doi: 10.1007/s11465-018-0517-7

Abstract: Reconfigurable mechanisms can deliberately reconfigure themselves by rearranging the connectivity ofMetamorphic and origami-derived mechanisms are two kinds of typical reconfigurable mechanisms, whichImproving the independent design level, innovation, and international competitive powers of reconfigurableThis paper presents an overview of recent developments in innovation design of reconfigurable mechanisms

Keywords： innovation design     reconfigurable mechanisms     metamorphic mechanisms     origami-derived mechanisms     development    

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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: The appearance of optical fibers and laser diodes in the 1960s, one major contribution of optoelectronicIn the 1990s, great advances in optoelectronic crystals and breakthroughs in laser diode technology havenational pillar industries in the first half of the next century, in various aspects like material processingin 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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Reconfigurable manufacturing systems: Principles, design, and future trends

Yoram KOREN, Xi GU, Weihong GUO

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 121-136 doi: 10.1007/s11465-018-0483-0

Abstract:

Reconfigurable manufacturing systems (RMSs), which possess the advantages of both dedicated serial

Keywords： reconfigurable manufacturing systems     responsiveness     intelligent manufacturing    

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Modular structure of a self-reconfigurable robot

FEI Yanqiong, DONG Qinglei, ZHAO Xifang

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 116-119 doi: 10.1007/s11465-007-0020-z

Abstract: This paper proposes a novel, hermaphroditic, and lattice self-reconfigurable modular robot.

Keywords： compact     self-reconfigurable modular     hermaphroditic     cone-shaped     clutch    

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Dimensional synthesis of a novel 5-DOF reconfigurable hybrid perfusion manipulator for large-scale spherical

Hui YANG, Hairong FANG, Yuefa FANG, Xiangyun LI

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 46-60 doi: 10.1007/s11465-020-0606-2

Abstract: prismatic, revolute, universal and spherical joint, respectively) parallel mechanism with the 5PRR reconfigurableThe values of the designed variables corresponding to different configurations of the reconfigurableHPM with the optimized parameters has an enlarged orientation workspace, and the maximum angle of the reconfigurable

Keywords： 5-DOF hybrid manipulator     reconfigurable base     large workspace     dimensional synthesis     optimal design    

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Title Author Date Type Operation

A zone-layered trimming method for ceramic core of aero-engine blade based on an advanced reconfigurablelaser processing system

Journal Article

Development of Laser Cutting and Joining Processing

Chen Li, Gong Shuili, He Enguang

Journal Article

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

Journal Article

Development of Laser Surface Modification Technology

Zhang Qunli, Wang Liang, Mei Xuesong, Yao Jianhua

Journal Article

Observation of premixed flame fronts by laser tomography

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

Journal Article

Ultra-Short Pulsed Laser Manufacturing and Surface Processing of Microdevices

Yongchao Yu, Shi Bai, Shutong Wang, Anming Hu

Journal Article

Development Status and Trend of China’s Excimer Laser Technology

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

Journal Article

Masoud Mahjouri-Samani: Laser-based synthesis and Processing of 2D Quantum Materials（2019.10.10）

23 Apr 2021

Conference Videos

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

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

Journal Article

Gain-enhanced reconfigurable radiation array with mechanically driven system and directive elements

Journal Article

Recent development on innovation design of reconfigurable mechanisms in China

Wuxiang ZHANG, Shengnan LU, Xilun DING

Journal Article

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

Xu Zuyan

Journal Article

Reconfigurable manufacturing systems: Principles, design, and future trends

Yoram KOREN, Xi GU, Weihong GUO

Journal Article

Modular structure of a self-reconfigurable robot

FEI Yanqiong, DONG Qinglei, ZHAO Xifang

Journal Article

Dimensional synthesis of a novel 5-DOF reconfigurable hybrid perfusion manipulator for large-scale spherical

Hui YANG, Hairong FANG, Yuefa FANG, Xiangyun LI

Journal Article