Rapid Prototyping Journal: Volume 26 Issue 7

Model of surface roughness and material removal using abrasive flow machining of selective laser melted channels

Julian Ferchow, Harry Baumgartner, Christoph Klahn, Mirko Meboldt

Internal channels produced by selective laser melting (SLM) have rough surfaces that require post-processing. The purpose of this paper is to develop an empirical model for…

Failure characterization of PLA parts fabricated by fused deposition modeling using acoustic emission

Feng Li, Zhonghua Yu, Zhensheng Yang

This paper aims to focus on investigating the failure mode of fused deposition modeling (FDM) fabricated parts by using acoustic emission (AE) technique.

Investigation, modeling and optimization of abnormal areas of weld beads in wire and arc additive manufacturing

Shangyong Tang, Guilan Wang, Cheng Huang, Runsheng Li, Siyu Zhou, Haiou Zhang

The modeling and optimization of a weld bead in the middle of the weld are often simple, as the forming process is dynamically balanced. However, the arc striking (AS) and arc…

Effects of layer thickness in laser-powder bed fusion of 420 stainless steel

Subrata Deb Nath, Gautam Gupta, Martin Kearns, Ozkan Gulsoy, Sundar V. Atre

The purpose of this paper is to investigate effects of layer thickness on densification, surface morphology, microstructure and mechanical and corrosion properties of 420…

Melting, fusion and solidification behaviors of Ti-6Al-4V alloy in selective laser melting at different scanning speeds

Snehashis Pal, Gorazd Lojen, Nenad Gubeljak, Vanja Kokol, Igor Drstvensek

Melting, fusion and solidification are the principal mechanisms used in selective laser melting to produce a product. Several thermal phenomena occur during the fabrication…

3D printing for chest wall reconstructive surgery

Ranjeet Agarwala, Carlos J. Anciano, Joshua Stevens, Robert Allen Chin, Preston Sparks

The purpose of the paper was to present a specific case study of how 3D printing was introduced in the chest wall construction process of a specific patient with unique medical…

Accuracies of 3D printers with hard and soft materials

Taehun Kim, Guk Bae Kim, Hyun Kyung Song, Yoon Soo Kyung, Choung-Soo Kim, Namkug Kim

This study aims to systemically evaluate morphological printing errors between computer-aided design (CAD) and reference models fabricated using two different three-dimensional…

Cyclic shear response of additively manufactured Inconel 718

Sanna F. Siddiqui, Ali P. Gordon

Additive manufacturing (AM) studies on Inconel 718 (IN718) have focused on exploring its tensile and fatigue response. As IN718 is used in the propulsion and energy sector, the…

Towards the development of a smart fused filament fabrication system using multi-sensor data fusion for in-process monitoring

Michele Moretti, Federico Bianchi, Nicola Senin

This paper aims to illustrate the integration of multiple heterogeneous sensors into a fused filament fabrication (FFF) system and the implementation of multi-sensor data fusion…

Not all PLA filaments are created equal: an experimental investigation

Johanna J. Schwartz, Joshua Hamel, Thomas Ekstrom, Leticia Ndagang, Andrew J. Boydston

Additive manufacturing (AM) methods such as material extrusion (ME) are becoming widely used by engineers, designers and hobbyists alike for a wide variety of applications…

Elastic behavior of composites reinforced by 3D printed tubular lattice braid textures

Mohammad Amin Rahiminia, Masoud Latifi, Mojtaba Sadighi

The purpose of this paper is to introduce an innovative transversal tubular braid texture and to study the elastic behavior of its 3 D printed structure comparatively to 3 D…

A multi-resolution framework for automated in-plane alignment and error quantification in additive manufacturing

Yu Jin, Haitao Liao, Harry A. Pierson

Additive manufacturing (AM) has shown its capability in producing complex geometries. Due to the additive nature, the in situ layer-wise inspection of geometric accuracy is…

Mechanical, thermal, melt-flow and morphological characterizations of bentonite-filled ABS copolymer

Laylay Mustafa Alhallak, Seha Tirkes, Umit Tayfun

This study aims to investigate the mechanical, thermal, melt-flow and morphological behavior of acrylonitrile-butadiene-styrene (ABS)-based composites after bentonite inclusions…

3D printing in tissue engineering: a state of the art review of technologies and biomaterials

Nataraj Poomathi, Sunpreet Singh, Chander Prakash, Arjun Subramanian, Rahul Sahay, Amutha Cinappan, Seeram Ramakrishna

In the past decade, three-dimensional (3D) printing has gained attention in areas such as medicine, engineering, manufacturing art and most recently in education. In biomedical…