Journal Article10.1016/J.MATDES.2018.01.022
Microstructure prediction of selective laser melting AlSi10Mg using finite element analysis
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TL;DR: In this article, the authors predicted the single track's microstructure of SLMed AlSi10Mg by calculating the thermal variables and using columnar to equiaxed transition criterion.
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About: This article is published in Materials & Design. The article was published on 15 Mar 2018. The article focuses on the topics: Equiaxed crystals & Heat transfer.
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Citations
A review of selective laser melting of aluminum alloys: Processing, microstructure, property and developing trends
TL;DR: In this paper, the current research status of microstructure, properties and heat treatment of SLM processing aluminum alloys is systematically reviewed respectively and a future outlook is given at the end of this review paper.
982
Additive manufacturing of metals: Microstructure evolution and multistage control
TL;DR: In this article, the formation and binding of melt pools is studied, and a comprehensive processing map is proposed that integrates melt pool energy and geometry-related process parameters together, based on which additively manufactured microstructures are developed during and after the solidification of constituent melt pool.
375
3-Dimensional heat transfer modeling for laser powder-bed fusion additive manufacturing with volumetric heat sources based on varied thermal conductivity and absorptivity
Zhidong Zhang,Yuze Huang,Adhitan Rani Kasinathan,Shahriar Imani Shahabad,Usman Ali,Yahya Mahmoodkhani,Ehsan Toyserkani +6 more
TL;DR: In this paper, a 3D heat transfer finite element model for laser powder-bed fusion (LPBF) was developed for accurately predicting melt pool dimensions and surface features, which can be used to reduce the process/material development costs.
243
Microstructure modelling for metallic additive manufacturing: a review
TL;DR: The microstructure of metals depends on the additive manufacturing (AM) process and the process parameters, and experimentation on different process parameters for different materials is costl... as discussed by the authors.
Heat treatment of aluminium alloys produced by laser powder bed fusion: A review
TL;DR: In this paper, the authors present a review of the literature in the field of heat treatment of selective laser melted aluminium alloys, aiming at providing a comprehensive understanding of the relationship between the induced microstructure and the resulting mechanical behaviour, as a function of the various treatment strategies.
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References
Selective laser melting of Al7050 powder: Melting mode transition and comparison of the characteristics between the keyhole and conduction mode
TL;DR: In this article, the effects of scanning speed and defocusing distance on the melting mode transition in selective laser melting of Al7050 powder were investigated, and the results showed that the defocusing distances had a significant effect on the forming of keyhole mode.
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On the formation of AlSi10Mg single tracks and layers in selective laser melting: Microstructure and nano-mechanical properties
TL;DR: In this paper, the effect of changing the scan speed on the formation of fusion lines and single tracks from an Al alloy, as well as their overlap to form a single layer was studied.
296
Molten pool behaviour and its physical mechanism during selective laser melting of TiC/AlSi10Mg nanocomposites: simulation and experiments
Pengpeng Yuan,Dongdong Gu +1 more
TL;DR: In this paper, a simulation of temperature evolution and thermal behavior of the molten pool during selective laser melting (SLM) of TiC/AlSi10Mg nanocomposites was performed, using a finite volume method.
279
Thermal behavior and densification mechanism during selective laser melting of copper matrix composites: Simulation and experiments
Donghua Dai,Dongdong Gu +1 more
TL;DR: In this article, the effect of applied linear energy density (LED) on the temperature distribution, melt pool dimensions, behaviors of gaseous bubbles and resultant densification activity has been investigated.
277
Effects of laser processing parameters on thermal behavior and melting/solidification mechanism during selective laser melting of TiC/Inconel 718 composites
TL;DR: In this paper, a three-dimensional finite element model is proposed to study the effects of laser power and scan speed on the thermal behavior and melting/solidification mechanism during selective laser melting (SLM) of TiC/Inconel 718 powder system.
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