Rapid Prototyping Journal: Volume 26 Issue 6

Remanufacturing of end-of-life glass-fiber reinforced composites via UV-assisted 3D printing

Andrea Mantelli, Marinella Levi, Stefano Turri, Raffaella Suriano

The purpose of this study is to demonstrate the potential of three-dimensional printing technology for the remanufacturing of end-of-life (EoL) composites. This technology will…

Comparing mechanical properties of impact modified polypropylene-copolymer (IMPP) from injection molding (IM) and fused layer modeling (FLM) processes

J. Elliott Sanders, Lu Wang, Douglas J. Gardner

The purpose of this study was to produce dimensionally accurate and reliable fused layer modeling (FLM) feedstock composed of an impact modified polypropylene matrix, compounded…

Design of conformal lattice structures using the volumetric distance field based on parametric solid models

Yan Liang, Feng Zhao, Dong-Jin Yoo, Bing Zheng

The purpose of this paper is to describe a novel design method to construct lattice structure computational models composed of a set of unit cells including simple cubic…

Multi-material 3D printed hydraulic actuator for medical robots

Marius Siegfarth, Tim Philipp Pusch, Antoine Pfeil, Pierre Renaud, Jan Stallkamp

This study aims to investigate the potential of using polymer multi-material additive manufacturing (MMAM) to produce miniature hydraulic piston actuators combining rigid…

Effect of Maleinized Linseed Oil (MLO) on thermal and rheolological properties of PLA/MWCNT and PLA/HNT nanocomposites for additive manufacturing

Christian Mauricio Cobos, Octavio Fenollar, Juan López Martinez, Santiago Ferrandiz, Luis Garzón

This paper aims to describe the influence of maleinized linseed oil (MLO), when used as a lubricant, on the thermal and rheological properties of PLA/MWCNTs (polylactic…

Manufacturing complex Al2O3 ceramic structures using consumer-grade fused deposition modelling printers

Nicholas A. Conzelmann, Lovro Gorjan, Fateme Sarraf, Lily D. Poulikakos, Manfred N. Partl, Christoph R. Müller, Frank J. Clemens

This study aims to fabricate complex ceramic tetrahedron structures, which are challenging to produce by more conventional methods such as injection molding. To achieve this aim…

Build accuracy and compression properties of additively manufactured 304L honeycombs

Myranda Spratt, Sudharshan Anandan, Rafid Hussein, Joseph W. Newkirk, K. Chandrashekhara, Misak Heath, Michael Walker

The purpose of this study is to analyze the build quality and compression properties of thin-walled 304L honeycomb structures manufactured by selective laser melting. Four…

A review of laser engineered net shaping (LENS) build and process parameters of metallic parts

Mojtaba Izadi, Aidin Farzaneh, Mazher Mohammed, Ian Gibson, Bernard Rolfe

This paper aims to present a comprehensive review of the laser engineered net shaping (LENS) process in an attempt to provide the reader with a deep understanding of the…

A multi-DOF rotary 3D printer: machine design, performance analysis and process planning of curved layer fused deposition modeling (CLFDM)

Donghua Zhao, Tianqi Li, Beijun Shen, Yicheng Jiang, Weizhong Guo, Feng Gao

The purpose of this paper is to design and develop a rotary three-dimensional (3D) printer for curved layer fused deposition modeling (CLFDM), and discuss some technical…

Frictional characteristics of Fusion Deposition Modeling (FDM) manufactured surfaces

Foad Sojoodi Farimani, Matthijn de Rooij, Edsko Hekman, Sarthak Misra

Additive manufacturing (AM) is a promising alternative to the conventional production methods (i.e., machining), providing the developers with great geometrical and topological…

Orthotropic properties of cement-filled polyamide 12 manufactured by selective laser sintering

Saleh Ahmed Aldahash, Abdelrasoul M. Gadelmoula

The cement-filled PA12 manufactured by selective laser sintering (SLS) offers desirable mechanical properties; however, these properties are dependent on several fabrication…

3D printing of biofiber-reinforced composites and their mechanical properties: a review

Lai Jiang, Xiaobo Peng, Daniel Walczyk

This paper aims to summarize the up-to-date research performed on combinations of various biofibers and resin systems used in different three-dimensional (3D) printing…

Selective laser sintered nano-HA/PDLLA composite microspheres for bone scaffolds applications

Kesheng Lin, Jie Liu, Jia-Min Wu, Yunlong Sun, Feng Li, Yan Zhou, Yusheng Shi

The main cause of aseptic inflammation after an in vivo implantation is that Poly(L-lactide) (PLLA) and Poly(D-lactide) have a slower degradation and absorption rate, while…

Challenges and opportunities to integrate the oldest and newest manufacturing processes: metal casting and additive manufacturing

Paul Lynch, C.R. Hasbrouck, Joseph Wilck, Michael Kay, Guha Manogharan

This paper aims to investigate the current state, technological challenges, economic opportunities and future directions in the growing “indirect” hybrid manufacturing ecosystem…

Influence of selective laser sintering process parameters on microstructure and physicochemical properties of poly(vinyl alcohol) for the production of scaffolds

Camila Fernandes Higa, Thatyanne Gradowski, Selene Elifio-Esposito, Marcelo Fernandes de Oliveira, Paulo Inforçatti, Jorge Vicente Lopes da Silva, Fred Lacerda Amorim, Michelle Sostag Meruvia

This study aims to investigate the production of scaffolds by selective laser sintering (SLS) using poly(vinyl alcohol) (PVA) polymer, for in vitro studies, a relatively new and…