Journal ArticleDOI
Particle-based simulation of powder application in additive manufacturing
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In this article, the authors developed a particle-based numerical tool and applied it to investigate the characteristics of the powder layer deposited onto the part using a roller as the coating system.About:
This article is published in Powder Technology.The article was published on 2016-01-01. It has received 255 citations till now. The article focuses on the topics: Particle & Surface roughness.read more
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Laser powder bed fusion additive manufacturing of metals; physics, computational, and materials challenges
Wayne E. King,Andrew T. Anderson,Robert M. Ferencz,N.E. Hodge,Chandrika Kamath,Saad A. Khairallah,Alexander M. Rubenchik +6 more
TL;DR: In this paper, the authors review the current state of the art and describe the challenges that need to be met to achieve the desired fundamental understanding of the physics of the additive manufacturing process.
Journal ArticleDOI
Binder jetting: A review of process, materials, and methods
Mohsen Ziaee,Nathan B. Crane +1 more
TL;DR: A broad review of technologies and approaches that have been applied in Binder Jet printing and points towards opportunities for future advancement is presented in this article, where a wide variety of materials including polymers, metals, and ceramics have been processed successfully with Binder jet.
Journal ArticleDOI
Binder jet 3D printing—Process parameters, materials, properties, modeling, and challenges
Amir Mostafaei,Amy M. Elliott,John E. Barnes,Fangzhou Li,Wenda Tan,Corson L. Cramer,Peeyush Nandwana,Markus Chmielus +7 more
TL;DR: In this paper, a detailed review of the physical processes during 3D printing and the fundamental science of densification after sintering and post-heat treatment steps are provided to understand the microstructural evolution and properties of binder jetted parts.
Journal ArticleDOI
Modeling of additive manufacturing processes for metals: Challenges and opportunities
Marianne M. Francois,A. Sun,Wayne E. King,Neil J. Henson,Damien Tourret,Curt A. Bronkhorst,Neil N. Carlson,Christopher K. Newman,T. Haut,Jozsef Bakosi,John W. Gibbs,Veronica Livescu,S. A. Vander Wiel,Amy J. Clarke,M. W. Schraad,Ted D. Blacker,Hojun Lim,Theron Rodgers,Steven J. Owen,Fadi Abdeljawad,Jonathan D. Madison,Andy Anderson,Jean-Luc Fattebert,Robert M. Ferencz,N.E. Hodge,Saad A. Khairallah,Otis R. Walton +26 more
TL;DR: In this paper, a review of modeling and simulation effort in metal additive manufacturing taking place at U.S. Department of Energy national laboratories is presented, focusing on simulation and modeling.
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Mechanistic models for additive manufacturing of metallic components
TL;DR: In this article, the authors focus on the available mechanistic models of additive manufacturing (AM) that have been adequately validated and evaluate the functionality of AM models in understanding of the printability of commonly used AM alloys and the fabrication of functionally graded alloys.
References
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Journal Article
Discrete numerical model for granular assemblies.
Peter Cundall,Otto D. L. Strack +1 more
TL;DR: The distinct element method as mentioned in this paper is a numerical model capable of describing the mechanical behavior of assemblies of discs and spheres and is based on the use of an explicit numerical scheme in which the interaction of the particles is monitored contact by contact and the motion of the objects modelled particle by particle.
Journal ArticleDOI
A discrete numerical model for granular assemblies
Peter Cundall,Otto D. L. Strack +1 more
TL;DR: The distinct element method as mentioned in this paper is a numerical model capable of describing the mechanical behavior of assemblies of discs and spheres and is based on the use of an explicit numerical scheme in which the interaction of the particles is monitored contact by contact and the motion of the objects modelled particle by particle.
Journal ArticleDOI
Surface energy and the contact of elastic solids
TL;DR: In this paper, the influence of surface energy on the contact between elastic solids is discussed and an analytical model for its effect upon the contact size and the force of adhesion between two lightly loaded spherical solid surfaces is presented.
Journal ArticleDOI
The London—van der Waals attraction between spherical particles
TL;DR: In this article, the London-v.d. interaction between two spherical particles is computed as a function of the diameters and the distance separating them, and a table is calculated which enables numerical application of the formulae derived.
Journal ArticleDOI
Models, algorithms and validation for opensource DEM and CFD-DEM
TL;DR: In this article, the authors present a multi-purpose CFD-DEM framework to simulate coupled fluid-granular systems, where the motion of the particles is resolved by means of the Discrete Element Method (DEM), and the Computational Fluid Dynamics (CFD) method is used to calculate the interstitial fluid flow.