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Differences in microstructure and properties between selective laser melting and traditional manufacturing

Bo SONG,Xiao ZHAO,Shuai LI,Changjun HAN,Qingsong WEI,Shifeng WEN,Jie LIU,Yusheng SHI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 111-125 doi: 10.1007/s11465-015-0341-2

Abstract:

Selective laser melting (SLM), as one of the additive manufacturing technologies, is widely investigated

Keywords： selective laser melting     microstructure     performance     application    

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Build orientation determination of multi-feature mechanical parts in selective laser melting via multi-objective

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0737-8

Abstract: Selective laser melting (SLM) is a unique additive manufacturing (AM) category that can be used to manufacture

Keywords： selective laser melting (SLM)     build orientation determination     multi-feature mechanical part (MFMP)    

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Influence of Particle Size on Laser Absorption and Scanning Track Formation Mechanisms of Pure TungstenPowder during Selective Laser Melting Article

Jiayao Zhang, Dongdong Gu, Ying Yang, Hongmei Zhang, Hongyu Chen, Donghuai Dai, Kaijie Lin

Engineering 2019, Volume 5, Issue 4,   Pages 736-745 doi: 10.1016/j.eng.2019.07.003

Abstract:

A three-dimensional laser absorption model based on ray tracing was established to describe the coupledinteraction of a laser beam with particles in the powder layers of pure tungsten (W) material processedby selective laser melting (SLM).The influence of particle size on the powder-to-laser absorptivity and underlying absorption behaviorWith an increase in particle size, the powder layer absorbs less laser energy.

Keywords： Selective laser melting (SLM)     Tungsten     Ray-tracing model     Absorptivity     Laser scanning tracks    

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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 processvarious research works and commercial systems for the fabrication of microscale parts using SLM and selectivelaser sintering (SLS) is conducted.addition 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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Parameters on the Poisson’s Ratio and Compressive Modulus of 2D Pentamode Structures Fabricated by SelectiveLaser Melting Article

Lei Zhang, Bo Song, Ruijie Liu, Aiguo Zhao, Jinliang Zhang, Linrong Zhuo, Guiping Tang, Yusheng Shi

Engineering 2020, Volume 6, Issue 1,   Pages 56-67 doi: 10.1016/j.eng.2019.06.009

Abstract: For validation, Ti–6Al–4V specimens were fabricated by selective laser melting (SLM), and

Keywords： Metamaterials     Pentamode materials     Finite-element analysis     Selective laser melting    

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Review of materials used in laser-aided additive manufacturing processes to produce metallic products

Xiaodong NIU, Surinder SINGH, Akhil GARG, Harpreet SINGH, Biranchi PANDA, Xiongbin PENG, Qiujuan ZHANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 282-298 doi: 10.1007/s11465-019-0526-1

Abstract: However, such technologies, with the exception of selective laser melting and sintering, are not usedThe present work reviews the type of materials used in laser-based AM processes for the manufacture of

Keywords： direct metal deposition     laser-based manufacturing     rapid manufacturing     selective laser melting     additive    

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Effect of process parameters on the density and porosity of laser melted AlSi10Mg/SiC metal matrix composite

Omotoyosi H. FAMODIMU, Mark STANFORD, Chike F. ODUOZA, Lijuan ZHANG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 520-527 doi: 10.1007/s11465-018-0521-y

Abstract:

Laser melting of aluminium alloy—AlSi10Mg has increasingly been used to create specialised productsin various industrial applications, however, research on utilising laser melting of aluminium matrixThis has been attributed to the complexity of the laser melting process, metal/ceramic feedstock forthe process and the reaction of the feedstock material to the laser.The effects of several parameters of the laser melting process on the mechanical blended composite were

Keywords： selective laser melting     additive manufacturing     mechanical alloying     powder metallurgy     aluminium metal    

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Selective Laser Melting under Variable Ambient Pressure: A Mesoscopic Model and Transport Phenomena Article

Renzhi Hu, Manlelan Luo, Anguo Huang, Jiamin Wu, Qingsong Wei, Shifeng Wen, Lichao Zhang, Yusheng Shi, Dmitry Trushnikov, V. Ya. Belenkiy, I. Yu. Letyagin, K.P. Karunakaran, Shengyong Pang

Engineering 2021, Volume 7, Issue 8,   Pages 1157-1164 doi: 10.1016/j.eng.2021.07.003

Abstract: text-align:justify">Recent reports on the selectivelaser melting (SLM) process under a vacuum or low ambient pressure have shown fewer defects and betterHerein, we first developed a mesoscopic model of SLM under variable ambient pressure based on our recent laser-weldingFor typical process parameters (laser power: 200 W; scanning speed: 2 m Keywords： Selective laser melting     Mesoscopic model     Ambient pressure     Transport phenomena    

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Data Mining for Mesoscopic Simulation of Electron Beam Selective Melting Article

Ya Qian, Wentao Yan, Feng Lin

Engineering 2019, Volume 5, Issue 4,   Pages 746-754 doi: 10.1016/j.eng.2019.06.006

Abstract:

In the electron beam selective melting (EBSM) process, the quality of each deposited melt track hasmesoscopic modeling technique was recently introduced as a means of simulating the electron beam (EB) melting

Keywords： Electron beam selective melting     Mesoscopic modeling     Data mining    

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A Multiscale Understanding of the Thermodynamic and Kinetic Mechanisms of Laser Additive Manufacturing

Dongdong Gu, Chenglong Ma, Mujian Xia, Donghua Dai, Qimin Shi

Engineering 2017, Volume 3, Issue 5,   Pages 675-684 doi: 10.1016/J.ENG.2017.05.011

Abstract:

Selective laser melting (SLM) additive manufacturing (AM) technology has become an important optioncomplicated physicochemical phenomena, thermodynamic behavior, and phase transformation as a high-energy laserThe laser absorption and melting/densification behaviors of AlSi10Mg and Inconel 718 alloy powder wereFinally, the stress development during line-by-line localized laser scanning and the parameter-dependentsimulation and experimental verification methods are beneficial in monitoring the complicated powder-laser

Keywords： Additive manufacturing     Selective laser melting     Multiscale modeling     Thermodynamics     Kinetics    

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Dual-Material Electron Beam Selective Melting: Hardware Development and Validation Studies Article

Chao Guo, Wenjun Ge, Feng Lin

Engineering 2015, Volume 1, Issue 1,   Pages 124-130 doi: 10.15302/J-ENG-2015013

Abstract:

Electron beam selective melting (EBSM) is an additive manufacturing technique that directly fabricates

Keywords： additive manufacturing     electron beam     selective melting     gradient materials     titanium alloy     TiAl alloy    

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Erratum to ‘‘Modeling and Experimental Validation of the Electron Beam Selective Melting Erratum

Wentao Yan, Ya Qian, Weixin Ma, Bin Zhou, Yongxing Shen, Feng Lin

Engineering 2018, Volume 4, Issue 1,   Pages 164-164 doi: 10.1016/j.eng.2017.12.012

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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.The loose metal powder layer is composed of a powder mixture with significantly different melting pointsThe physical model that accounts the shrinkage induced by melting is described by using a temperature-transforming

Keywords： laser     sintering     melting     solidification     heat transfer    

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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: Effects of different parameters on the melting, vaporization and resolidification processes of thin goldThe melting and resolidification processes, which was characterized by the solid-liquid interfacial velocity, as well as elevated melting temperature and depressed solidification temperature, was obtained by consideringThe parameters in discussion included film thickness, laser fluence, pulse duration, pulse number, repetitionTheir effects on the maximum lattice temperature, melting depth and ablation depth were discussed based

Keywords： melting     evaporation     nucleation dynamics     nanoscale heat transfer    

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Challenges and Solutions for the Additive Manufacturing of Biodegradable Magnesium Implants Article

Yinchuan Wang, Penghuai Fu, Nanqing Wang, Liming Peng, Bin Kang, Hui Zeng, Guangyin Yuan, Wenjiang Ding

Engineering 2020, Volume 6, Issue 11,   Pages 1267-1275 doi: 10.1016/j.eng.2020.02.015

Abstract: scaffolds with three different architectures (biomimetic, diamond, and gyroid) were then fabricated by selectivelaser melting (SLM), and their mechanical properties and degradation behavior were evaluated.

Keywords： Additive manufacturing     Selective laser melting     Biodegradable Mg alloys     Tissue engineering scaffolds    

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Title Author Date Type Operation

Differences in microstructure and properties between selective laser melting and traditional manufacturing

Bo SONG,Xiao ZHAO,Shuai LI,Changjun HAN,Qingsong WEI,Shifeng WEN,Jie LIU,Yusheng SHI

Journal Article

Build orientation determination of multi-feature mechanical parts in selective laser melting via multi-objective

Journal Article

Influence of Particle Size on Laser Absorption and Scanning Track Formation Mechanisms of Pure TungstenPowder during Selective Laser Melting

Jiayao Zhang, Dongdong Gu, Ying Yang, Hongmei Zhang, Hongyu Chen, Donghuai Dai, Kaijie Lin

Journal Article

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

Parameters on the Poisson’s Ratio and Compressive Modulus of 2D Pentamode Structures Fabricated by SelectiveLaser Melting

Lei Zhang, Bo Song, Ruijie Liu, Aiguo Zhao, Jinliang Zhang, Linrong Zhuo, Guiping Tang, Yusheng Shi

Journal Article

Review of materials used in laser-aided additive manufacturing processes to produce metallic products

Xiaodong NIU, Surinder SINGH, Akhil GARG, Harpreet SINGH, Biranchi PANDA, Xiongbin PENG, Qiujuan ZHANG

Journal Article

Effect of process parameters on the density and porosity of laser melted AlSi10Mg/SiC metal matrix composite

Omotoyosi H. FAMODIMU, Mark STANFORD, Chike F. ODUOZA, Lijuan ZHANG

Journal Article

Selective Laser Melting under Variable Ambient Pressure: A Mesoscopic Model and Transport Phenomena

Renzhi Hu, Manlelan Luo, Anguo Huang, Jiamin Wu, Qingsong Wei, Shifeng Wen, Lichao Zhang, Yusheng Shi, Dmitry Trushnikov, V. Ya. Belenkiy, I. Yu. Letyagin, K.P. Karunakaran, Shengyong Pang

Journal Article

Data Mining for Mesoscopic Simulation of Electron Beam Selective Melting

Ya Qian, Wentao Yan, Feng Lin

Journal Article

A Multiscale Understanding of the Thermodynamic and Kinetic Mechanisms of Laser Additive Manufacturing

Dongdong Gu, Chenglong Ma, Mujian Xia, Donghua Dai, Qimin Shi

Journal Article

Dual-Material Electron Beam Selective Melting: Hardware Development and Validation Studies

Chao Guo, Wenjun Ge, Feng Lin

Journal Article

Erratum to ‘‘Modeling and Experimental Validation of the Electron Beam Selective Melting

Wentao Yan, Ya Qian, Weixin Ma, Bin Zhou, Yongxing Shen, Feng Lin

Journal Article

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

Tiebing CHEN, Yuwen ZHANG,

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

Challenges and Solutions for the Additive Manufacturing of Biodegradable Magnesium Implants

Yinchuan Wang, Penghuai Fu, Nanqing Wang, Liming Peng, Bin Kang, Hui Zeng, Guangyin Yuan, Wenjiang Ding

Journal Article