Rapid Prototyping Journal: Volume 27 Issue 6

The potential of metal epoxy composite (MEC) as hybrid mold inserts in rapid tooling application: a review

Radhwan Bin Hussin, Safian Bin Sharif, Shayfull Zamree Bin Abd Rahim, Mohd Azlan Bin Suhaimi, Mohd Tanwyn Bin Mohd Khushairi, Abdellah Abdellah EL-Hadj, Norshah Afizi Bin Shuaib

Rapid tooling (RT) integrated with additive manufacturing technologies have been implemented in various sectors of the RT industry in recent years with various kinds of prototype…

Improving the shape stability and enhancing the properties of layer dependent material extruded biodegradable polylactic acid for thin implants

Alper Ekinci, Xiaoxiao Han, Andrew Gleadall, Andrew Allan Johnson

This paper aims to establish an appropriate annealing method, which is necessary for shape stability and to evaluate their potential degradation performance of 1-, 3- and 5-layer…

The influence of process parameters on the impact resistance of 3D printed PLA specimens under water-absorption and heat-treated conditions

Pradeep Kumar Mishra, Senthil Ponnusamy, Mohan Satyanarayana Reddy Nallamilli

The purpose of this paper is to analyse the effect of water absorption and heat treatment on the impact strength of three-dimensional (3D) printed Izod specimens. A low-cost…

Particle emission levels in the user operating environment of powder, ink and filament-based 3D printers

Shirun Ding, Bing Feng Ng

This study aims to examine on-site particle concentration levels due to emissions from a wide spectrum of additive manufacturing techniques, including polymer-based material…

A conceptual framework for witness builds and witness artifacts in additive manufacturing

Jeremy Hale, Mingzhou Jin

Inconsistencies in build quality part-to-part and build-to-build continue to be a problem in additive manufacturing (AM). The flexibility of AM often enables low-volume and custom…

On the effect of irradiance on dimensional accuracy in multijet fusion additive manufacturing

Mattia Mele, Giampaolo Campana, Gian Luca Monti

The amount of radiated energy is known to be a crucial parameter in powder-bed additive manufacturing (AM) processes. The role of irradiance in the multijet fusion (MJF) process…

Design guidelines to mitigate distortion in material jetting specimens

Kamran Kardel, Ali Khoshkhoo, Andres L. Carrano

The purpose of this paper is to investigate the effects of layer thickness, aspect ratio, part thickness and build orientation on distortion to have a better understanding of its…

Maximizing design potential: investigating the effects of utilizing opportunistic and restrictive design for additive manufacturing in rapid response solutions

Rohan Prabhu, Jordan Scott Masia, Joseph T. Berthel, Nicholas Alexander Meisel, Timothy W. Simpson

The COVID-19 pandemic has resulted in numerous innovative engineering design solutions, several of which leverage the rapid prototyping and manufacturing capabilities of additive…

Study on driving waveform design process for multi-nozzle piezoelectric printhead in material-jetting 3D printing

Yih-Lin Cheng, Tzu-Wei Tseng

Material-jetting (MJ) three-dimensional (3D) printing processes are competitive due to their printing resolution and printing speed. Driving waveform design of piezoelectric…

Laser powder bed fusion additive manufacturing of copper wicking structures: fabrication and capillary characterization

Adnen Mezghani, Abdalla R. Nassar, Corey J. Dickman, Eduardo Valdes, Raul Alvarado

An integral component in heat pipes (HPs) and vapor chambers (VCs) is a porous wicking structure. Traditional methods for manufacturing wicking structures within HPs and VCs…

Influence of energy density on polyamide 12 processed by SLS: from physical and mechanical properties to microstructural and crystallization evolution

Tiago Czelusniak, Fred Lacerda Amorim

This paper aims to provide a detailed study on influence of the laser energy density on mechanical, surface and dimensional properties of polyamide 12 (PA12) parts produced by…

Effect of the CMT advanced process combined with an active cooling technique on macro and microstructural aspects of aluminum WAAM

Felipe Ribeiro Teixeira, Fernando Matos Scotti, Ruham Pablo Reis, Américo Scotti

This paper aims to assess the combined effect of the Cold Metal Transfer (CMT) advanced process and of a thermal management technique (near immersion active cooling [NIAC]) on the…

Investigation of mechanical and fracture behavior of pure and carbon fiber reinforced ABS samples processed by fused filament fabrication process

Cem Boğa

Acrylonitrile butadiene styrene (ABS), as a light and high strength thermoplastic polymer, has found extensive applications in different industries. Fused filament fabrication…

Additive manufacturing techniques for the fabrication of tissue engineering scaffolds: a review

Mohit Kumar, Varun Sharma

Infill parameters influence over the natural frequencies of ABS specimens obtained by extrusion-based 3D printing

Radu Constantin Parpala, Diana Popescu, Cristina Pupaza

The mechanical performances of 3D-printed parts are influenced by the manufacturing variables. Many studies experimentally evaluate the impact of the process parameters on…