Rapid Prototyping Journal: Volume 25 Issue 4

Processing windows for Ti-6Al-4V fabricated by selective electron beam melting with improved beam focus and different scan line spacings

Christoph R. Pobel, Fuad Osmanlic, Matthias A. Lodes, Sebastian Wachter, Carolin Körner

Selective electron beam melting (SEBM) is a highly versatile powder bed fusion additive manufacturing method. SEBM is characterized by high energy densities which can be applied…

Mechanical properties and water absorption behaviour of PLA and PLA/wood composites prepared by 3D printing and injection moulding

Josef Valentin Ecker, Andreas Haider, Ivana Burzic, Axel Huber, Gerhard Eder, Sabine Hild

This papers aims to study the influence of water absorption on the mechanical properties of poly lactic acid (PLA) and PLA/Wood composites. Virgin PLA and PLA/Wood…

Enhancement of fracture toughness under mixed mode loading of ABS specimens produced by 3D printing

Pietro Lanzillotti, Julien Gardan, Ali Makke, Naman Recho

The purpose of this paper is the application and the improvement of a previous method based on an acrylonitrile butadiene styrene thread deposition in fused deposition modeling…

Wood-based support material for extrusion-based digital construction

Julia Kaufhold, Johannes Kohl, Venkatesh Naidu Nerella, Christof Schroefl, Christoph Wenderdel, Paul Blankenstein, Viktor Mechtcherine

Extrusion-based digital construction (DC) approaches make it feasible to overcome constraints of conventional construction, namely, high formwork costs, long total construction…

Properties of soft magnetic Fe-Co-V alloy produced by laser powder bed fusion

Tuomas Riipinen, Sini Metsä-Kortelainen, Tomi Lindroos, Janne Sami Keränen, Aino Manninen, Jenni Pippuri-Mäkeläinen

The purpose of this paper is to report on the developments in manufacturing soft magnetic materials using laser powder bed fusion (L-PBF).

Structural analysis of wing ribs obtained by additive manufacturing

Pedro Miguel Cardoso Carneiro, Pedro Gamboa

Additive manufacturing (AM) has emerged over the past years as a key technology in aircraft structural components’ manufacturing. This paper aims to describe the numerical…

Empirical process model for shrinkage-induced warpage in 3D printing

Christoph Schmutzler, Tobias H. Stiehl, Michael F. Zaeh

The purpose of this work is to explain the emergence of warpage due to a locally and temporally inhomogeneous shrinkage in 3D printing (Binder-Jetting) of polymers.

Computer-aided methods for single-stage fibrous dysplasia excision and reconstruction in the zygomatico-orbital complex

Igor Budak, Aleksandar Kiralj, Mario Sokac, Zeljko Santosi, Dominic Eggbeer, Sean Peel

Computer-aided design and additive manufacture (CAD/AM) technologies are sufficiently refined and meet the necessary regulatory requirements for routine incorporation into the…

Study of thermal and rheological properties of PLA loaded with carbon and halloysite nanotubes for additive manufacturing

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

This paper aims to propose using polylactic acid (PLA) as an alternative to nanocomposites in additive manufacturing processes in fusion deposition modelling (FDM) systems and…

Effect of aluminium content and processing parameters on the microstructure and mechanical properties of laser powder-bed fused magnesium-aluminium (0, 3, 6, 9wt%) powder mixture

Xiaomiao Niu, Hongyao Shen, Guanhua Xu, Linchu Zhang, Jianzhong Fu, Xiaolei Deng

Mg-Al powder mixture was used to manufacture Mg-Al alloy by laser powder bed fusion (LPBF) process. This study aims to investigate the influence of initial Al content and…

Applications of additive manufacturing at selected South African universities: promoting additive manufacturing education

Micheal Omotayo Alabi, Deon De Beer, Harry Wichers

This paper aims to provide a comprehensive overview of the recent applications of additive manufacturing (AM) research and activities within selected universities in the Republic…

Metal bellow hydroforming using additive manufactured die: a case study

Prithvirajan R., Sugavaneswaran M., Sathishkumar N., Arumaikkannu G.

Custom-designed metal bellows require alternate ways to produce the die to shorten lead time. The purpose of this study is to explore the possibility of using Additive…

Fabrication of 3D microfluidic structure with direct selective laser baking of PDMS

Mohammadreza Riahi, Fatemeh Karimi, Atefeh Ghaffari

The purpose of this paper is to present three-dimensional (3D) printing of structures with a new method called selective laser baking (SLB) of Poly Dimethyl Siloxane (PDMS).

Application of FDM technology to reduce aerodynamic drag

Alberto Sanchez Ramirez, Manuel Enrique Islán Marcos, Fernando Blaya Haro, Roberto D’Amato, Rodolfo Sant, José Porras

The purpose of this paper is to analyze the aerodynamic improvements obtained in a wing section with a NACA 0018 airfoil manufactured using the fused deposition modeling (FDM…

Influence of substrate characteristics on residual stress of SLMed Inconel 718

Yong Cheng, Zhongxu Xiao, Haihong Zhu, Xiaoyan Zeng, Guoqing Wang

Selective laser melting (SLM) is a promising additive manufacturing technology in the field of complex parts’ fabrication. High temperature gradient and residual stress are vital…