Rapid Prototyping Journal: Volume 27 Issue 3

Deformations and stresses prediction of cantilever structures fabricated by selective laser melting process

Lan Li, Tan Pan, Xinchang Zhang, Yitao Chen, Wenyuan Cui, Lei Yan, Frank Liou

During the powder bed fusion process, thermal distortion is one big problem owing to the thermal stress caused by the high cooling rate and temperature gradient. For the purpose…

Use of polymer concrete for large-scale 3D printing

Martin Krčma, David Škaroupka, Petr Vosynek, Tomáš Zikmund, Jozef Kaiser, David Palousek

This paper aims to focus on the evaluation of a polymer concrete as a three-dimensional (3D) printing material. An associated company has developed plastic concrete made from…

Experimental study of resin coating to improve the impact strength of fused filament fabrication process pieces

Luis Lisandro López Taborda, Eduar Pérez, Daniel Quintero, José Fernando Noguera Polania, Habib Zambrano Rodriguez, Heriberto Maury, Ivan E. Esparragoza

This study aims to evaluate the impact breaking energy of the parts manufactured by the fused filament fabrication (FFF) method. The evaluation considers the use of the epoxy…

Influence of 3D printing process parameters on the mechanical properties and mass of PLA parts and predictive models

João Araújo Afonso, Jorge Lino Alves, Gabriela Caldas, Barbara Perry Gouveia, Leonardo Santana, Jorge Belinha

This paper aims to evaluate the influence of the parameters of the Fused Filament Fabrication (FFF) process on the mechanical properties and on the mass of parts printed in…

Prediction of SLS parts properties using reprocessing powder

Ana C. Lopes, Álvaro M. Sampaio, Cátia S. Silva, António J. Pontes

Owing to the operating principle of powder bed fusion processes, selective laser sintering (SLS) requires effective management of the mixture ratio of processed material…

Learning-based error modeling in FDM 3D printing process

Paschalis Charalampous, Ioannis Kostavelis, Theodora Kontodina, Dimitrios Tzovaras

Additive manufacturing (AM) technologies are gaining immense popularity in the manufacturing sector because of their undisputed ability to construct geometrically complex…

Numerical study for the improvement of bead spreading architecture with modified nozzle geometries in additive manufacturing of polymers

Easir Arafat Papon, Anwarul Haque, Muhammad Ali Rob Sharif

This paper aims to develop a numerical model of bead spreading architecture of a viscous polymer in fused filament fabrication (FFF) process with different nozzle geometry. This…

Water-based binder preparation and full-color printing implementation of a self-developed 3D printer

Junchao Li, Ran Yan, Yanan Yang, Feng Xie

The purpose of this study was to prepare water-based binders, which aimed to avoid printhead blockage and to improve dimensional accuracy of inkjet 3D printing (3DP) technology…

Mechanical properties of thermoplastic parts produced by fused deposition modeling:a review

Ali Alperen Bakır, Resul Atik, Sezer Özerinç

This paper aims to provide an overview of the recent findings of the mechanical properties of parts manufactured by fused deposition modeling (FDM). FDM has become a widely used…

An overview of fused deposition modelling (FDM): research, development and process optimisation

Mohammadreza Lalegani Dezaki, Mohd Khairol Anuar Mohd Ariffin, Saghi Hatami

The purpose of this paper is to review research studies on process optimisation and machine development that lead to the enhancement of final products in various aspects of the…

Additive manufacturing of 316L stainless-steel structures using fused filament fabrication technology: mechanical and geometric properties

Miguel Ángel Caminero, Ana Romero, Jesús Miguel Chacón, Pedro José Núñez, Eustaquio García-Plaza, Gloria Patricia Rodríguez

Fused filament fabrication (FFF) technique using metal filled filaments in combination with debinding and sintering steps can be a cost-effective alternative for laser-based…

Fused filament printing of specialized biomedical devices: a state-of-the art review of technological feasibilities with PEEK

Erfan Rezvani Ghomi, Saeideh Kholghi Eshkalak, Sunpreet Singh, Amutha Chinnappan, Seeram Ramakrishna, Roger Narayan

The potential implications of the three-dimensional printing (3DP) technology are growing enormously in the various health-care sectors, including surgical planning, manufacturing…

Processing and mechanical behavior of rigid and flexible material composite systems formed via voxel digital design in polyjet additive manufacturing

Furkan Ulu, Ravi Pratap Singh Tomar, Ram Mohan

PolyJet technology allows printing complex multi-material composite configurations using Voxel digital designs' capability, thus allowing rapid prototyping of 3D printed…

Investigation of selected parameters effect on 3D printed sand mold properties through Taguchi method

Guili Gao, Weikun Zhang, Zhimin Du, Qingyi Liu, Yanqing Su, Dequan Shi

The major concern technologies during the processing through three-dimensional printing (3DP) are the mechanical and boundary properties of sand models. The parameters such as…

Design and optimization of projection stereolithography additive manufacturing system with multi-pass scanning

Qin Qin, Jigang Huang, Jin Yao, Wenxiang Gao

Scanning projection-based stereolithography (SPSL) is a powerful technology for additive manufacturing with high resolution as well as large building area. However, the surface…