Rapid Prototyping Journal: Volume 29 Issue 1

Mechanical properties assessment of a 3D printed composite under torsional and perpendicular stress

João Fiore Parreira Lovo, Vicente Gerlin Neto, Lucas Pereira Piedade, Renan Cesar Massa, Carlos Alberto Pintão, Cesar Renato Foschini, Carlos Alberto Fortulan

This paper aims to evaluate the resin infiltration influence on the mechanical properties of components 3D printed by the material extrusion-based additive manufacturing (AM)…

Investigation of the effects of a pre-deposition heating system on the interfacial temperature and interlayer bonding strength for fused filament fabrication

Piyush Suresh Mundada, Che-Hao Yang, Roland K. Chen

The purpose of this study is to propose the use of a pre-deposition heating system for fused filament fabrication (FFF) as a means to enhance interlayer bonding by elevating the…

Assessment and treatment of pectus deformities: a review of reverse engineering and 3D printing techniques

Elisa Mussi, Michaela Servi, Flavio Facchini, Rocco Furferi, Yary Volpe

Among thoracic malformations, pectus deformities have the highest incidence and can result in a wide range of severe and mild clinical manifestations. Recently, the treatment of…

Overcoming the post-processing barriers for 3D-printed medical models

Virendra Kumar Verma, Sachin S. Kamble, L. Ganapathy, Pradeep Kumar Tarei

The purpose of this study is to identify, analyse and model the post-processing barriers of 3D-printed medical models (3DPMM) printed by fused deposition modelling to overcome…

Additively manufactured foamed polylactic acid for lightweight structures

Armin Yousefi Kanani, Allan E.W. Rennie, Shayfull Zamree Bin Abd Rahim

This study aims to make foamed polylactic acid (PLA) structures with different densities by varying deposition temperatures using the material extrusion (MEX) additive…

Ti6Al4V scaffolds fabricated by laser powder bed fusion with hybrid volumetric energy density

Bhanupratap Gaur, Deepak Soman, Rupesh Ghyar, Ravi Bhallamudi

Additive manufacturing of metallic scaffolds using laser powder bed fusion is challenging because of the accumulation of extra material below overhanging and horizontal surfaces…

Offline laser power modulation in LPBF additive manufacturing including kinematic and technological constraints

Kamel Ettaieb, Kevin Godineau, Sylvain Lavernhe, Christophe Tournier

In Laser Power Bed Fusion (LPBF), the process and operating parameters influence the mechanical and geometrical characteristics of the manufactured parts. Therefore, the…

Effect of build parameters and strain rate on mechanical properties of 3D printed PLA using DIC and desirability function analysis

Shafahat Ali, Said Abdallah, Deepak H. Devjani, Joel S. John, Wael A. Samad, Salman Pervaiz

This paper aims to investigate the effects of build parameters and strain rate on the mechanical properties of three-dimensional (3D) printed polylactic acid (PLA) by integrating…

Viability and development of multi-axis material extrusion products: a case study

Nathaniel Kaill, Robert Campbell, Patrick Pradel

The purpose of this paper is to select a product suitable for printing via multi-axis additive manufacturing (MAAM), print it and test it to determine if, by using a multi-axis…

Effect of direct aging and annealing on the microstructure and mechanical properties of AlSi10Mg fabricated by selective laser melting

Haifeng Xiao, Changchun Zhang, Haihong Zhu

This paper aims to systematically investigate the effect of the heat treatment process parameters on the microstructure and mechanical properties of the selective laser melting…

An initial feasibility study into ray-based slicing for revolving thin-wall parts using a rotary 3D printer

Donghua Zhao, Gaohan Zhu, Jiapeng He, Weizhong Guo

With the development of 3D printing or additive manufacturing (AM), curved layer fused deposition modeling (CLFDM) has been researched to cope with the flat layer AM inherited…

The problem with printing pitch: challenges in designing 3D printed claves

Emmeline Evans, Christopher McComb

Although music education has been proven to benefit students, music programs are often cut when public school funding is reduced. The cost of instruments is a significant…

Effects of 3D-printed PLA material with different filling densities on coefficient of friction performance

Şenol Şirin, Enes Aslan, Gülşah Akincioğlu

The purpose of this study is the investigation of the friction performance of 3D-printed polylactic acid (PLA) at different infill densities.

Parametric optimization for dimensional correctness of 3D printed part using masked stereolithography: Taguchi method

N. Dhanunjayarao Borra, Venkata Swamy Naidu Neigapula

Masked stereolithography (MSLA) or resin three-dimensional (3D) printing is one of the most extensively used high-resolution additive manufacturing technologies. Even though, the…

A study on the effects of internal architecture on the mechanical properties and mixed-mode fracture behavior of 3D printed CaCO3/ABS nanocomposite samples

Mirsadegh Seyedzavvar, Cem Boğa

The purpose of this study was to investigate the effects of CaCO₃ nanoparticles on the mechanical properties, and mixed-mode fracture behavior of acrylonitrile butadiene styrene…