Rapid Prototyping Journal: Volume 27 Issue 10

Effects of extruder temperatures and raster orientations on mechanical properties of the FFF-processed polylactic-acid (PLA) material

Budi Arifvianto, Yuris Bahadur Wirawan, Urip Agus Salim, Suyitno Suyitno, Muslim Mahardika

The purpose of this study is to investigate the influences of extruder temperatures and raster orientations on the mechanical properties of polylactic-acid (PLA) material…

Visual presentation for monitoring layer-wise curing quality in DLP 3D printing

Lifang Wu, Zechao Liu, Yupeng Guan, Kejian Cui, Meng Jian, Yuanyuan Qin, Yandong Li, Feng Yang, Tianqin Yang

This paper aims to address the problem of uncertain product quality in digital light processing (DLP) three-dimensional (3D) printing, a scheme is proposed to qualitatively…

Improving surface roughness of polylactic acid (PLA) products manufactured by 3D printing using a novel slurry impact technique

Mahmoud Heshmat, Yasser Abdelrhman

Fused deposition modeling (FDM) is one of the most adopted additive manufacturing techniques to produce prototypes and/or final parts regardless of geometrical complexity…

Selective laser melting: lessons from medical devices industry and other applications

Iván La Fé-Perdomo, Jorge Andres Ramos-Grez, Gerardo Beruvides, Rafael Alberto Mujica

The purpose of this paper is to outline some key aspects such as material systems used, phenomenological and statistical process modeling, techniques applied to monitor the…

Additive manufacturing of anti-SARS-CoV-2 Copper-Tungsten-Silver alloy

John Robinson, Arun Arjunan, Ahmad Baroutaji, Miguel Martí, Alberto Tuñón Molina, Ángel Serrano-Aroca, Andrew Pollard

The COVID-19 pandemic emphasises the need for antiviral materials that can reduce airborne and surface-based virus transmission. This study aims to propose the use of additive…

Exploiting limitations of fused deposition modeling to enhance mixing in 3D printed microfluidic devices

Mojtaba Zeraatkar, Marco Donato de Tullio, Alessio Pricci, Francesco Pignatelli, Gianluca Percoco

The purpose of this study is to introduce an alternative construction for microfluidic micromixers, where the effect of the extruded filaments in the fused deposition modeling…

Hybrid additive and subtractive manufacturing of multi-material objects

Eric Weflen, Matthew Charles Frank

This study presents a method for fabricating multi-material objects using a hybrid additive and subtractive approach. By hybridizing the material composition in addition to the…

A hybrid of genetic algorithm and particle swarm optimization for reducing material waste in extrusion-basedadditive manufacturing

Ruiliang Feng, Jingchao Jiang, Zhichao Sun, Atul Thakur, Xiangzhi Wei

The purpose of this paper is to report the design of a lightweight tree-shaped support structure for fused deposition modeling (FDM) three-dimensional (3D) printed models when the…

The effects of infill patterns and infill percentages on energy consumption in fused filament fabrication using CFR-PEEK

Mohammad Rashidul Hassan, Hyun Woo Jeon, Gayeon Kim, Kijung Park

This study aims to identify the effects of infill patterns and infill percentages on the energy consumption (EC) of fused filament fabrication (FFF). With increasing attention on…

Effect of aging and finish machining on the surface integrity of selective laser melted maraging steel

Emre Tascioglu, Hamaid Mahmood Khan, Yusuf Kaynak, Mert Coşkun, Gurkan Tarakci, Ebubekir Koç

The present study aims to investigate the effect of finish machining and aging processes on the surface integrity of the selective laser melted (SLM) maraging steel samples and…

Evaluation of UV post-curing depth for homogenous cross-linking of stereolithography parts

Tristan Schlotthauer, Jan Nitsche, Peter Middendorf

During post-processing of stereolithography photopolymers, the limited penetration depth of ultraviolet (UV) light can lead to inhomogeneous cross-linking. This is a major problem…

Multi-material distribution planning for additive manufacturing of biomimetic structures

Erina Baynojir Joyee, Jida Huang, Ketki Mahadeo Lichade, Yayue Pan

The purpose of this study is to develop a novel approach to designing locally programmed multi-material distribution in a three-dimensional (3D) model, with the goal of producing…