Rapid Prototyping Journal: Volume 24 Issue 8

A review of computational modeling in powder-based additive manufacturing for metallic part qualification

Jingfu Liu, Behrooz Jalalahmadi, Y.B. Guo, Michael P. Sealy, Nathan Bolander

Additive manufacturing (AM) is revolutionizing the manufacturing industry due to several advantages and capabilities, including use of rapid prototyping, fabrication of complex…

Fabrication of nanocellulose/PEGDA hydrogel by 3D printing

Aimin Tang, Qinwen Wang, Shan Zhao, Wangyu Liu

Nanocellulose is characterised by favourable biocompatibility, degradability, nanostructure effect, high modulus and high tensile strength and has been widely applied in various…

Optimization of the driving waveform of a piezoelectric inkjet printhead based on a system dynamics model

Kun Wang, Juntong Xi

This paper aims to present an optimization method of the input driving signal of a piezoelectric inkjet printhead to improve droplet consistency and increase jetting frequency.

Mechanical properties of composite parts manufactured in FDM technology

Filip Górski, Wiesław Kuczko, Radosław Wichniarek, Adam Hamrol

This paper aims to study strength properties and accuracy of a new type of composites, in which matrix is manufactured additively, whereas infill is a polyurethane resin. The…

Developing laser beam welding parameters for the assembly of steel SLM parts for the automotive industry

Thiemo Valentin Fieger, Maximilian Ferdinand Sattler, Gerd Witt

This paper aims to identify issues with joining selective laser melting (SLM) steels with conventional cold rolled steels through remote laser beam welding.

Visualization of the shielding gas flow in SLM machines by space-resolved thermal anemometry

Maximilian Schniedenharn, Frederik Wiedemann, Johannes Henrich Schleifenbaum

The purpose of this paper is to introduce an approach in measuring the shielding gas flow within laser powder bed fusion (L-PBF) machines under near-process conditions (regarding…

Analysis of the influence of polylactic acid (PLA) colour on FDM 3D printing temperature and part finishing

Juliana Breda Soares, João Finamor, Fabio Pinto Silva, Liane Roldo, Luis Henrique Cândido

This paper aims to analyse the effect of different polylactic acid (PLA) colours used on fused deposition modelling (FDM), considering the product finishing quality produced with…

Effect of process parameters on tensile strength of FDM printed PLA part

Shilpesh R. Rajpurohit, Harshit K. Dave

The purpose of this paper to study the tensile strength of the fused deposition modelling (FDM) printed PLA part. In recent times, FDM has been evolving from rapid prototyping to…

A review on additive manufacturing of sand molds by binder jetting and selective laser sintering

Tugdual Amaury Le Néel, Pascal Mognol, Jean-Yves Hascoët

The purpose of this paper is to analyze the current state of the art manufacturing techniques using sand molds for the casting industry by the means of additive manufacturing…

Effect of temperature on the mechanical properties of 3D-printed PLA tensile specimens

Marzio Grasso, Lyes Azzouz, Paula Ruiz-Hincapie, Mauro Zarrelli, Guogang Ren

Recent advancements of 3D printing technology have brought forward the interest for this technique in many engineering fields. This study aims to focus on mechanical properties of…

Direct rapid manufacturing of molds with conformal cooling channels

Mahesh S. Shinde, Kishor Mahadeorao Ashtankar, Abhaykumar M. Kuthe, Sandeep W. Dahake, Mahesh B. Mawale

This review paper aims to provide an overview of applications of direct rapid manufacturing assisted mold with conformal cooling channels (CCCs) and shows the potential of this…

What we have achieved in the design of 3D printed metal implants for application in orthopedics? Personal experience and review

Zuhao Li, Chenyu Wang, Chen Li, Zhonghan Wang, Fan Yang, He Liu, Yanguo Qin, Jincheng Wang

This paper aims to review the latest applications in terms of three-dimensional printed (3DP) metal implants in orthopedics, and, importantly, the design of 3DP metal implants…

Photogrammetric analysis of additive manufactured metallic open cell porous structures

Samuel Evans, Eric Jones, Peter Fox, Chris Sutcliffe

This paper aims to introduce a novel method for the analysis of open cell porous components fabricated by laser-based powder bed metal additive manufacturing (AM) for the purpose…

Mechanical behavior of calcium sulfate scaffold prototypes built by solid free-form fabrication

Mitra Asadi-Eydivand, Mehran Solati-Hashjin, Noor Azuan Abu Osman

This paper aims to investigate the mechanical behavior of three-dimensional (3D) calcium sulfate porous structures created by a powder-based 3D printer. The effects of the…

Layerwise monitoring of electron beam melting via backscatter electron detection

Christopher Arnold, Christoph Pobel, Fuad Osmanlic, Carolin Körner

The purpose of this study is the introduction and validation of a new technique for process monitoring during electron beam melting (EBM).