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alloying of CoCrFeMnNi high-entropy alloy from elemental feedstock toward high-throughput synthesis via laser

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0727-x

Abstract: Existing in situ synthesis methods based on additive manufacturing are insufficient for efficientlyIn this work, laser powder bed fusion (L-PBF) is adopted for the in situ synthesis of equiatomictreatment, are adopted to address the problem of incompletely melted Cr particles in the single-meltedThe homogenization heat-treated samples appear more like coarse equiaxed grains, with a UTS of (650.8The even and flat fractographic morphologies of the homogenization heat-treated samples represent a more

Keywords： laser powder bed fusion (L-PBF)     in situ alloying     high-entropy alloys     heat treatment     rapid    

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Introduction of a New Method for Regulating Laves Phases in Inconel 718 Superalloy during a Laser-Repairing Article

Shang Sui,Haosheng Li,Zuo Li,Xuan Zhao,Liang Ma,Jing Chen

Engineering 2022, Volume 16, Issue 9,   Pages 239-246 doi: 10.1016/j.eng.2021.08.030

Abstract: In this study, an in situ laser heat-treatment method was proposed to regulate the morphologyIn the in situ laser heat-treatment process, a laser was used to heat previously deposited layersIt was found that the in situ laser heat treatment effectively changed the morphology and size laser heat-treatment process.Finally, a flow diagram was developed based on the in situ laser heat-treatment process, and

Keywords： Laser repair     In situ laser heat treatment     Inconel 718 alloy     Laves phase    

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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: Aiming at the exploration and resource utilization activities on the Moon, in situ resource utilizationand in situ manufacturing are proposed to minimize the dependence on the ground transportationIn this paper, a laser-assisted additive manufacturing process is developed to fabricate lunar regolithThereafter, the mechanical properties of laser-sintered lunar regolith composites are implemented toThe effectiveness and the feasibility of this laser-assisted process are potentially developed for future

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

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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, theIt briefly analyzes laser technology and its instrumental, leading, and disruptive role in scientifictechnology in frontier laser, manufacturing, information and communication, medical treatment, and otherinnovation 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 an In-Situ Laser Machining System Using a Three-Dimensional Galvanometer Article

Xiao Li, Bin Liu, Xuesong Mei, Wenjun Wang, Xiaodong Wang, Xun Li

Engineering 2020, Volume 6, Issue 1,   Pages 68-76 doi: 10.1016/j.eng.2019.07.024

Abstract: Arial,Helvetica,sans-serif;">In this study, a three-dimensional (3D) in-situ laser machining system integrating laser measurement and machining was built using a 3D galvanometerIn-situ machining software was developed to realize time-saving and labor-saving 3D laserThe feasibility and practicability of this in-situ laser machining system were verifiedThe in-situ laser machining system realizes a simple operation process by integrating measurement

Keywords： In-situ laser machining     Three-dimensional galvanometer scanner     Line structured light    

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Classification and treatment of orbital venous malformations: an updated review

Tianyuan Li, Renbing Jia, Xianqun Fan

Frontiers of Medicine 2019, Volume 13, Issue 5,   Pages 547-555 doi: 10.1007/s11684-018-0623-2

Abstract: Treatment approaches include sclerotherapy, laser therapy, embolization, surgical resection, and radiotherapyA satisfactory outcome can be achieved only by selecting the appropriate treatment according to lesioncharacteristics and following the sequential multi-method treatment strategy.This article summarizes the current classification and treatment advances in OVM.

Keywords： orbit     venous malformation     treatment     sclerotherapy     laser     embolization    

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Ultrafast solid-liquid-vapor phase change of a thin gold film irradiated by femtosecond laser pulses

Jing HUANG, Yuwen ZHANG, J. K. CHEN, Mo YANG

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 1-11 doi: 10.1007/s11708-012-0179-9

Abstract: The classical two-temperature model was adopted to depict the non-equilibrium heat transfer in electronsThe parameters in discussion included film thickness, laser fluence, pulse duration, pulse number, repetition

Keywords： melting     evaporation     nucleation dynamics     nanoscale heat transfer    

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Mathematical Model of Heat Treatment and Its Computer Simulation

Pan Jiansheng,Zhan Weimin,Tian Dong,Gu Jianfeng,Hu Mingjuan

Strategic Study of CAE 2003, Volume 5, Issue 5,   Pages 47-54

Abstract:

Computer simulation on heat treatment is the foundation of intelligent heat treatment.improve the load-carrying ability and reliability of the nitriding and carburizing workpieces, reduce heattreatment distortion, and shorten carburizing duration.performed with the combination between the CAD of mechanical products, the CAE of materials selection and heattreatment, and the dynamic evaluation technology of product reliability.

Keywords： heat treatment     mathematical model     computer simulation     intellectualization    

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From plasma to plasmonics: toward sustainable and clean water production through membranes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1809-1836 doi: 10.1007/s11705-023-2339-3

Abstract: Membrane-based processes are among the most efficient methods for water treatment.To mitigate such effects, membranes can be treated through two techniques: plasma treatment (a surfacemodification technique), and treatment through the use of plasmonic materials (surface and bulk modificationIt aims to offer a comprehensive review of the current developments in membrane-based water treatment

Keywords： water treatment     membrane-based process     plasma treatment     plasma polymerization     plasmonic     light-to-heat    

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Two-dimensional modeling of sintering of a powder layer on top of nonporous substrate

Tiebing CHEN, Yuwen ZHANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 143-148 doi: 10.1007/s11465-010-0006-0

Abstract: Selective laser sintering (SLS) of a two-component metal powder layer on the top of multiple sinteredlayers by a moving Gaussian laser beam is modeled.

Keywords： laser     sintering     melting     solidification     heat transfer    

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Study on Technology of Multistage Heat Treatment for Malleable iron

Zou Anquan,Deng Peiran,Deng Fenyan,Deng Junyan,Chen Geying

Strategic Study of CAE 2005, Volume 7, Issue 12,   Pages 74-77

Abstract:

Based on the characteristic of malleable iron, the technology of multistage heat treatment for malleable

Keywords： malleable iron     cementite     multistage heat treatment     graphitizing annealing    

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Is sodium percarbonate a good choice in situ remediation of deltamethrin pollution?

Xu Zhang, Baigang Ren, Shangge Li, Xiaodi Qu, Huanhuan Yang, Shiguo Xu, Zongming Ren, Qiang Kong, Cheng Wang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 3, doi: 10.1007/s11783-017-0931-9

Abstract: ( ) in the characteristic of behavior strength were investigated followed by an assessment of an in situof was approximately 0.83 in the control group and was slightly higher than 0.83 in the sublethal treatmentThe in situ remediation of the DM pollution using sodium percarbonate showed that the toxic effect ofMeanwhile, the behavior response of in the treatment of sodium percarbonate was the same as in theThis study suggested that adding sodium percarbonate in situ might be a good way to eliminate the DM

Keywords： Behavior strength     Sublethal treatment     Detoxification     Accidental pollution    

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Effects on Residual Stress of Electron Beam Welding of TC4 Al loy by Laser Phase Transformation Treatment

Lu Jinzhong,Zhang Yongkang,Kong Dejun,Ren Xudong,Zou Shikun,Wang Xichang

Strategic Study of CAE 2007, Volume 9, Issue 5,   Pages 72-76

Abstract:

  In this study,  an effective control method and strategy based on fuzzy neural network has been developed for gas injection pressure accurate control in gas-assisted injection. A fuzzy neural network controller with five layers and its control algorithm are established.  The learning ability of neural network is used to optimize the rules of the fuzzy logic so as to improve the adaptability of system.  The simulation of the system capability and three segmental injected pressure control are carried out under the environment of MATLAB and the results show that this theoretic model is feasible, and the control system has good characteristics and control action.

Keywords： laser phase transformation treatment     TC4titanium alloy     electron beam welding(EBW)     residual stress    

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Development and application of ex-situ presulfurization technology for hydrotreating catalysts in China

Yulan GAO, Xiangchen FANG, Zhenmin CHENG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 287-296 doi: 10.1007/s11705-010-0529-2

Abstract: The development and application of ex-situ presulfurization (EPRES) technology for hydrotreating catalysts

Keywords： ex-situ presulfurization     in situ presulfurization     hydrotreating catalyst     sulfur utilization ratio    

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Fundamentals of the Unified Technology Combining Plastic Forming and Heat Treatment of Materials

Xu Zuyao (T. Y. Hsu)

Strategic Study of CAE 2004, Volume 6, Issue 1,   Pages 16-21

Abstract:

Fundamentals of the unified technology combining plastic forming and heat treatment of materials mainly

Keywords： plastic forming-heat treatment     transformation under stresses     transformation modeling     structural simulation    

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Title Author Date Type Operation

alloying of CoCrFeMnNi high-entropy alloy from elemental feedstock toward high-throughput synthesis via laser

Journal Article

Introduction of a New Method for Regulating Laves Phases in Inconel 718 Superalloy during a Laser-Repairing

Shang Sui,Haosheng Li,Zuo Li,Xuan Zhao,Liang Ma,Jing Chen

Journal Article

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

Journal Article

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

Journal Article

Development of an In-Situ Laser Machining System Using a Three-Dimensional Galvanometer

Xiao Li, Bin Liu, Xuesong Mei, Wenjun Wang, Xiaodong Wang, Xun Li

Journal Article

Classification and treatment of orbital venous malformations: an updated review

Tianyuan Li, Renbing Jia, Xianqun Fan

Journal Article

Ultrafast solid-liquid-vapor phase change of a thin gold film irradiated by femtosecond laser pulses

Jing HUANG, Yuwen ZHANG, J. K. CHEN, Mo YANG

Journal Article

Mathematical Model of Heat Treatment and Its Computer Simulation

Pan Jiansheng,Zhan Weimin,Tian Dong,Gu Jianfeng,Hu Mingjuan

Journal Article

From plasma to plasmonics: toward sustainable and clean water production through membranes

Journal Article

Two-dimensional modeling of sintering of a powder layer on top of nonporous substrate

Tiebing CHEN, Yuwen ZHANG,

Journal Article

Study on Technology of Multistage Heat Treatment for Malleable iron

Zou Anquan,Deng Peiran,Deng Fenyan,Deng Junyan,Chen Geying

Journal Article

Is sodium percarbonate a good choice in situ remediation of deltamethrin pollution?

Xu Zhang, Baigang Ren, Shangge Li, Xiaodi Qu, Huanhuan Yang, Shiguo Xu, Zongming Ren, Qiang Kong, Cheng Wang

Journal Article

Effects on Residual Stress of Electron Beam Welding of TC4 Al loy by Laser Phase Transformation Treatment

Lu Jinzhong,Zhang Yongkang,Kong Dejun,Ren Xudong,Zou Shikun,Wang Xichang

Journal Article

Development and application of ex-situ presulfurization technology for hydrotreating catalysts in China

Yulan GAO, Xiangchen FANG, Zhenmin CHENG

Journal Article

Fundamentals of the Unified Technology Combining Plastic Forming and Heat Treatment of Materials

Xu Zuyao (T. Y. Hsu)

Journal Article