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Advances in polishing of internal structures on parts made by laser-based powder bed fusion

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0724-0

Abstract: Considering the manufacturing of inner structures, laser-based powder bed fusion (L-PBF) is an attractive

Keywords： laser-based powder bed fusion     polishing     internal structures     surface quality     surface features     post    

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Orientation effect of electropolishing characteristics of 316L stainless steel fabricated by laser powderbed fusion

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 580-592 doi: 10.1007/s11465-021-0633-7

Abstract: effect of electropolishing characteristics on different surfaces of 316L stainless steel fabricated by laserpowder bed fusion (L-PBF), considering that the rough surface of 3D printed parts is a key factor limitingelectropolishing characteristics on the different surfaces corresponding to the building orientation in selective laser

Keywords： electropolishing     laser powder bed fusion     316L stainless steel     corrosion resistance     microstructure    

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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 regolithcombination of composite material compositions and process parameters are mixing ratio of 50/50 in volume, laserreaches 9.248 MPa, and the maximum depth of surface variation is 120.79 μm, which indicates poor powder fusionThereafter, 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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alloying of CoCrFeMnNi high-entropy alloy from elemental feedstock toward high-throughput synthesis via laserpowder bed fusion

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

Abstract: In this work, laser powder bed fusion (L-PBF) is adopted for the in situ synthesis of equiatomic

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

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Status of High-power Solid-state Lasers and Engineering Science

Peng Hansheng,Zhang Xiaomin,Fan Dianyuan,Zhu Jianqiang

Strategic Study of CAE 2001, Volume 3, Issue 3,   Pages 1-8

Abstract:

High-power solid-state laser technology development has been conducted so far for more than thirtyyears for application to inertial confinement fusion.Over twenty laser facilities have been built with the output energy of about a hundred Joules at the

Keywords： laser fusion     high-power solid-state laser     status     engineering science     innovation    

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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: optoelectronics is the consequence of rapid evolution and mutual integration of the fields of micro-electronics, laserThe 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 havedisplays in entertainment, laser fusion power station, nuclear fission material processing, upgradingof laser weapons, etc.

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

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Formation Process and Mechanical Deformation Behavior of a Novel Laser-Printed Compression-Induced Twisting-Compliant Article

Jie Gao, Dongdong Gu, Chenglong Ma, Donghua Dai, Lixia Xi, Kaijie Lin, Tong Gao, Jihong Zhu, Yuexin Du

Engineering 2022, Volume 15, Issue 8,   Pages 133-142 doi: 10.1016/j.eng.2021.03.032

Abstract: was designed based on the freedom and constraint topology (FACT) method and manufactured by means of laserpowder bed fusion (LPBF).Within the range of optimized laser powers from 375 to 450 W and with the densification level of theIncreased laser power led to the elimination of residual metallurgical pores within the inclined strutsThe accumulated compressive strain of the optimally printed CIT mechanism using a laser power of 450

Keywords： Laser 3D printing     Laser powder bed fusion     Compression-induced twisting-compliant mechanism     Compression–torsion    

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Magnetic confinement fusion: a brief review

Chuanjun HUANG, Laifeng LI

Frontiers in Energy 2018, Volume 12, Issue 2,   Pages 305-313 doi: 10.1007/s11708-018-0539-1

Abstract: Fusion energy is considered to be the ultimate energy source, which does not contribute to climate changeDuring the past several decades, never-ceasing efforts have been made to peacefully utilize the fusionIn this paper, the main developments of magnetic confinement fusion with emphasis on confinement systemsThe scientific feasibility of magnetic confinement fusion has been demonstrated in JET, TFTR, JT-60,A fusion roadmap to DEMO and commercial fusion power plant has been established and steady progresses

Keywords： fusion energy     magnetic confinement     tokamak     structural material     superconducting magnet    

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Turbidity-adaptive underwater image enhancement method using image fusion

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-021-0669-8

Abstract: Clear, correct imaging is a prerequisite for underwater operations. In real freshwater environment including rivers and lakes, the water bodies are usually turbid and dynamic, which brings extra troubles to quality of imaging due to color deviation and suspended particulate. Most of the existing underwater imaging methods focus on relatively clear underwater environment, it is uncertain that if those methods can work well in turbid and dynamic underwater environments. In this paper, we propose a turbidity-adaptive underwater image enhancement method. To deal with attenuation and scattering of varying degree, the turbidity is detected by the histogram of images. Based on the detection result, different image enhancement strategies are designed to deal with the problem of color deviation and blurring. The proposed method is verified by an underwater image dataset captured in real underwater environment. The result is evaluated by image metrics including structure similarity index measure, underwater color image quality evaluation metric, and speeded-up robust features. Test results exhibit that the method can correct the color deviation and improve the quality of underwater images.

Keywords： turbidity     underwater image enhancement     image fusion     underwater robots     visibility    

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M-LFM: a multi-level fusion modeling method for shape−performance integrated digital twin of complex

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0708-0

Abstract: developing a new digital twin framework that includes simulation data, measuring data, multi-level fusion

Keywords： shape−performance integrated digital twin (SPI-DT)     multi-level fusion modeling (M-LFM)     surrogate model     telescopic boom crane     data fusion    

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Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 3,   Pages 227-237 doi: 10.1631/FITEE.1400217

Abstract: We present a novel image fusion scheme based on gradient and scrambled block Hadamard ensemble (SBHE)In the fusion phase, the image gradient is calculated to reflect the abundance of its contour informationFinally, inverse transformation is applied to the coefficients derived from fusion, and the fused imagequality in line with different fusion schemes.Furthermore, the gradient-based fusion scheme proposed in this paper can be applied in different fusion

Keywords： Compressive sensing (CS)     Image fusion     Gradient-based image fusion     CS-based image fusion    

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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 markingThe problems faced by the development of the laser joining and cutting technology are discussed.unit, laser materials processing, and intelligent integration.

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

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Information fusion in aquaculture: a state-of the art review

Shahbaz Gul HASSAN,Murtaza HASAN,Daoliang LI

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 206-221 doi: 10.15302/J-FASE-2016111

Abstract: In this review, an information fusion approach was used to integrate multi-sensor and computer visionInformation fusion is a well-known technology that has been used in different fields of artificial intelligenceInformation fusion in aquaculture is a growing field of research that is used to enhance the performanceThis review study surveys different fish feeding systems using multi-sensor data fusion, computer vision

Keywords： aquaculture     computer vision     information fusion     modeling     sensor    

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Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0725-z

Abstract: To address these issues, this paper presents a novel EO fusion strategy for enhancing the bearing faultMDIM is regarded as the fusion source of the proposed strategy with the properties of improving the signal-to-interferenceenhancing the bearing fault feature than the existing methods, including HOEOs, the weighting HOEO fusion

Keywords： higher order energy operator     fault diagnosis     manifold learning     rolling element bearing     information fusion    

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Contact detection with multi-information fusion for quadruped robot locomotion under unstructured terrain

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0760-4

Abstract: quadruped robots, a detection approach based on the probabilistic contact model with multi-information fusion

Keywords： multi-information fusion     contact detection     quadruped robot     probabilistic contact model     unstructured    

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Title Author Date Type Operation

Advances in polishing of internal structures on parts made by laser-based powder bed fusion

Journal Article

Orientation effect of electropolishing characteristics of 316L stainless steel fabricated by laser powderbed fusion

Journal Article

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

Journal Article

alloying of CoCrFeMnNi high-entropy alloy from elemental feedstock toward high-throughput synthesis via laserpowder bed fusion

Journal Article

Status of High-power Solid-state Lasers and Engineering Science

Peng Hansheng,Zhang Xiaomin,Fan Dianyuan,Zhu Jianqiang

Journal Article

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

Xu Zuyan

Journal Article

Formation Process and Mechanical Deformation Behavior of a Novel Laser-Printed Compression-Induced Twisting-Compliant

Jie Gao, Dongdong Gu, Chenglong Ma, Donghua Dai, Lixia Xi, Kaijie Lin, Tong Gao, Jihong Zhu, Yuexin Du

Journal Article

Magnetic confinement fusion: a brief review

Chuanjun HUANG, Laifeng LI

Journal Article

Turbidity-adaptive underwater image enhancement method using image fusion

Journal Article

M-LFM: a multi-level fusion modeling method for shape−performance integrated digital twin of complex

Journal Article

Gradient-based compressive image fusion

Yang CHEN,Zheng QIN

Journal Article

Development of Laser Cutting and Joining Processing

Chen Li, Gong Shuili, He Enguang

Journal Article

Information fusion in aquaculture: a state-of the art review

Shahbaz Gul HASSAN,Murtaza HASAN,Daoliang LI

Journal Article

Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature

Journal Article

Contact detection with multi-information fusion for quadruped robot locomotion under unstructured terrain

Journal Article