Microstructure–Property Correlation in a Laser Powder Bed Fusion Processed High‐Strength AF‐9628 Steel
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DOI: 10.1002/adem.202000845
Abstract: Laser powder bed fusion additive manufacturing (LPBF‐AM) of a low‐alloy, high‐performance AF‐9628 steel results in exceptionally high strength and good ductility. The reasons for such mechanical properties are investigated through detailed microscopy performed at several… read more here.
Keywords: strength; microscopy; bed fusion; laser powder ... See more keywords
Issues in Metal Matrix Composites Fabricated by Laser Powder Bed Fusion Technique: A Review
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DOI: 10.1002/adem.202200055
Abstract: The success in metal matrix composites (MMCs) fabrication by laser powder bed fusion (L‐PBF) technique has opened doors to further advanced materials development. But the drive to produce fully dense MMCs from a combination of… read more here.
Keywords: laser powder; bed fusion; powder; metal matrix ... See more keywords
Numerical Studies of Influencing Factors on the Homogeneity of the Powder Mixture during the Powder Spreading Process of Powder Bed Fusion–Laser Beam/Metal
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DOI: 10.1002/adem.202400305
Abstract: Recent studies have focused on the alloying of nitrogen (N) in high‐alloy stainless steels by powder bed fusion–laser beam/metal (PBF‐LB/M). However, N‐induced pore formation remains a challenge. To overcome this, a combined PBF‐LB/M and hot… read more here.
Keywords: process; powder bed; homogeneity; fusion laser ... See more keywords
Quality Enhancement of Laser Powder‐Bed Fusion Parts by Acoustically Assisted Additive Manufacturing by Laser Powder‐Bed Fusion and its Application to Lattice Structures
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DOI: 10.1002/adem.202500318
Abstract: Additive manufacturing technologies such as laser powder‐bed fusion (L‐PBF) offer great freedom in design, ultralightweight optimization of components, and individualization of products down to a batch size of one. However, parts fabricated from L‐PBF suffer… read more here.
Keywords: acoustically assisted; powder bed; bed fusion; laser powder ... See more keywords
Performance Comparison of Surface Sensitizers for Diode Laser Powder Bed Fusion of Polyamide 12
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DOI: 10.1002/adem.202500466
Abstract: The efficient processing of polyamide 12 (PA12) in laser‐based additive manufacturing with near‐infrared (NIR) diode lasers requires modification with NIR‐absorbing additives. This study presents the absorbance‐normalized investigation, where the loading of copper sulfide (CuS), lanthanum… read more here.
Keywords: laser; powder bed; diode laser; bed fusion ... See more keywords
Defect–Fatigue Correlations of Post‐processed Laser Powder Bed Fused Metallic Alloys: A Review
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DOI: 10.1002/adem.202501266
Abstract: Laser powder bed fusion (LPBF) is a versatile and disruptive technology for its capability to manufacture complicated geometries from virtual models and also has other advantages like elimination of complex tooling and material wastage. Despite… read more here.
Keywords: lpbfed alloys; powder bed; defect fatigue; fatigue correlations ... See more keywords
Surface Quality and Mechanical Property Control of Laser Powder Bed Fusion Additively Manufactured Ti–6Al–4V Hollow‐Strut Lattice Metamaterials
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DOI: 10.1002/adem.202501594
Abstract: To achieve lightweight and enhanced mechanical performance of titanium alloy lattice structures, this study employed laser powder bed fusion (L‐PBF) technology integrated with an ultrasonic‐assisted chemical cleaning and sandblasting composite post‐processing technique to fabricate high‐quality,… read more here.
Keywords: powder bed; hollow strut; lattice; bed fusion ... See more keywords
Laser‐Based Additive Manufacturing of WC–Co with High‐Temperature Powder Bed Preheating †
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DOI: 10.1002/srin.201900511
Abstract: The field of additive manufacturing (AM), and especially laser powder‐bed fusion (LPBF), is constantly growing. Process windows for a large variety of materials are already developed. Nevertheless, some materials are still difficult to manufacture with… read more here.
Keywords: based additive; laser based; powder bed; additive manufacturing ... See more keywords
The Influence Mechanism of Nitriding Time on NH3 Gas Nitriding of Laser Powder Bed Fusion 18Ni300 Steel
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DOI: 10.1002/srin.202500608
Abstract: NH3 gas is employed in this study to perform nitriding treatment on laser powder bed fusion (LPBF) 18Ni300 steel, followed by testing and analysis of the surface layer by means of scanning electron microscope, optical… read more here.
Keywords: nh3 gas; powder bed; steel; 18ni300 steel ... See more keywords
Particle-based modelling of laser powder bed fusion of metals with emphasis on the melting mode transition
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DOI: 10.1007/s10035-024-01442-2
Abstract: The laser-beam powder bed fusion process for metals, commonly abbreviated as PBF-LB/M, is a widely used process for the additive manufacturing of parts. Numerical simulations are useful to identify optimal process parameters for different materials… read more here.
Keywords: laser; process; powder bed; melting mode ... See more keywords
MeltpoolINR: predicting temperature field, melt pool geometry and their rate of change in laser powder bed fusion
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Intelligent Manufacturing"
DOI: 10.1007/s10845-025-02692-4
Abstract: We present a data-driven, differentiable neural network model designed to learn the temperature field, its gradient, and the cooling rate, while implicitly representing the melt pool boundary as a level set in laser powder bed… read more here.
Keywords: powder bed; rate; temperature field; melt pool ... See more keywords