Rapid Prototyping Journal: Volume 27 Issue 2

Generic design of an anatomical heart model optimized for additive manufacturing with silicone

Hannah Riedle, Ahmed Ghazy, Anna Seufert, Vera Seitz, Bernhard Dorweiler, Jörg Franke

The purpose of this study is the generation of a thorough generic heart model optimized for direct 3D printing with silicone elastomers.

Numerical and experimental investigation of FDM fabricated re-entrant auxetic structures of ABS and PLA materials under compressive loading

Swapnil Vyavahare, Shailendra Kumar

Auxetic structures are one type of mechanical meta-materials mainly used for energy absorption applications because of their unique negative Poisson’s ratio. This study is focused…

Process parameter optimization for porosity and compressive strength of calcium sulfate based 3D printed porous bone scaffolds

Yashwant Kumar Modi, Kiran Kumar Sahu

This study aims to optimize the process parameters of ZPrinter® 450 for measured porosity (MP) and compressive strength (CS) of calcium sulfate-based porous bone scaffold using…

A novel approach for enhancing the fatigue lifetime of the components processed by additive manufacturing technologies

Amin S. Azar, Magnus Reiersen, Even W. Hovig, Mohammed M’hamdi, Spyros Diplas, Mikkel M. Pedersen

This study aims to introduce a novel approach in form of a comprehensive software suite to help understanding and optimizing the build orientation toward maximizing the fatigue…

Influence of machine type and consecutive closed-loop recycling on macroscopic properties for fused filament fabrication of acrylonitrile-butadiene-styrene parts

Pierandrea Dal Fabbro, Andrea La Gala, Willem Van De Steene, Dagmar R. D’hooge, Giovanni Lucchetta, Ludwig Cardon, Rudinei Fiorio

This study aims to evaluate and compare the macroscopic properties of commercial acrylonitrile-butadiene-styrene (ABS) processed by two different types of additive manufacturing…

Mechanical meta-material-based polymer skin graft production by rapid prototyping and replica method

Mohamad Attar, Seher Selen Aydin, Aliye Arabaci, Ilven Mutlu

The purpose of this paper is the production of mechanical meta-material samples by rapid prototyping (RP) and replica technique for patient-specific skin graft or cranial implant…

A functional modeling approach for quality assurance in metal additive manufacturing

Gijeong Seo, Md. RU Ahsan, Yousub Lee, Jong-Ho Shin, Hyungjun Park, Duck Bong Kim

Due to the complexity of and variations in additive manufacturing (AM) processes, there is a level of uncertainty that creates critical issues in quality assurance (QA), which…

Design, additive manufacture and clinical application of a patient-specific titanium implant to anatomically reconstruct a large chest wall defect

Alba Gonzalez Alvarez, Peter Ll. Evans, Lawrence Dovgalski, Ira Goldsmith

Chest wall reconstruction of large oncological defects following resection is challenging. Traditional management involves the use of different materials that surgeons creatively…

A novel method of bead modeling and control for wire and arc additive manufacturing

Shangyong Tang, Guilan Wang, Hao Song, Runsheng Li, Haiou Zhang

Modeling and control of bead geometry in wire and arc additive manufacturing is significant as it affects the whole manufacturing process. The purpose of this paper is to…

Multi-tissue layering and path planning of in situ bioprinting for complex skin and soft tissue defects

Huichao Wang, Qin Lian, Dichen Li, Chenghong Li, Tingze Zhao, Jin Liang

Reconstructing multi-layer tissue structure using cell printing to repairing complex tissue defect is a challenging task, especially using in situ bioprinting. This study aims to…

Research on GMAW based non-supporting thin-wall structure manufacturing

Bing Liu, Hongyao Shen, Rongxin Deng, Zeyu Zhou, Jia’ao Jin, Jianzhong Fu

Additive manufacturing based on arc welding is a fast and effective way to fabricate complex and irregular metal workpieces. Thin-wall metal structures are widely used in the…

The viscoelastic mechanical property and constitutive models of 3D printed photopolymer

Dan Wang, Kun Wu, Guanlin Li, Lifeng Wang

The purpose of this paper is to study the mechanical property of three-dimensional (3D) Printed photopolymer (Vero Yellow and Tango Black) with different constant strain rate…

Mapping the path to certification of metal laser powder bed fusion for aerospace applications

Duncan William Gibbons, Jean-Pierre Louis Serfontein, André Francois van der Merwe

The purpose of this paper is to identify and define the certification lifecycle of laser powder bed fusion for aerospace applications from equipment acquisition and installation…

Porosity in multi-axis material extrusion of short-fibre composites

Nathaniel Kaill, Robert Campbell, Patrick Pradel

This study aims to investigate the relationship between part porosity and mechanical properties of short-fibre reinforced polylactic acid printed via multi-axis material extrusion…

Multi-scale damage analysis and fatigue behavior of PLA manufactured by fused deposition modeling (FDM)

Hamid Reza Vanaei, Mohammadali Shirinbayan, Saeedeh Vanaei, Joseph Fitoussi, Sofiane Khelladi, Abbas Tcharkhtchi

Fused deposition modeling (FDM) draws particular attention due to its ability to fabricate components directly from a CAD data; however, the mechanical properties of the produced…

Advances in additive manufacturing of shape memory polymer composites

Irina Tatiana Garces, Cagri Ayranci

A review on additive manufacturing (AM) of shape memory polymer composites (SMPCs) is put forward to highlight the progress made up to date, conduct a critical review and show the…

Effect of process route on powder three-dimensional-printing of metal powders

Ifeanyichukwu Donald Olumor, Lee Geuntak, Eugene Olevsky

The purpose of this study is to investigate the effect of two unique processing routes (solvent jetting (SJ) and binder jetting (BJ)), on the green density of printed stainless…

A review on the role of 3D printing in the fight against COVID-19: safety and challenges

Sapam Ningthemba Singh, Vavilada Satya Swamy Venkatesh, Ashish Bhalchandra Deoghare

During the COVID-19 pandemic, the three-dimensional (3D) printing community is actively participating to address the supply chain gap of essential medical supplies such as face…

Fabrication and characterization of customized tubular scaffolds for tracheal tissue engineering by using solvent based 3D printing on predefined template

Rudranarayan Kandi, Pulak Mohan Pandey, Misba Majood, Sujata Mohanty

This paper aims to discuss the successful fabrication of customized tubular scaffolds for tracheal tissue engineering with a novel route using solvent-based extrusion 3D printing.

Parametric study on tensile and flexural properties of ULTEM 1010 specimens fabricated via FDM

Chrysoula Pandelidi, Tobias Maconachie, Stuart Bateman, Ingomar Kelbassa, Sebastian Piegert, Martin Leary, Milan Brandt

Fused deposition modelling (FDM) is increasingly being explored as a commercial fabrication method due to its ability to produce net or near-net shape parts directly from a…