Rapid Prototyping Journal: Volume 27 Issue 7

Microstructure evolution along build direction for thin-wall components fabricated with wire-direct energy deposition

Janmejay Dattatraya Kulkarni, Suresh Babu Goka, Pradeep Kumar Parchuri, Hajime Yamamoto, Kazuhiro Ito, Suryakumar Simhambhatla

The use of a gas metal arc welding-based weld-deposition, referred to as wire-direct energy deposition or wire-arc additive manufacturing, is one of the notable additive…

A scalable mass customisation design process for 3D-printed respirator mask to combat COVID-19

Shiya Li, Usman Waheed, Mohanad Bahshwan, Louis Zizhao Wang, Livia Mariadaria Kalossaka, Jiwoo Choi, Franciska Kundrak, Alexandros Lattas, Stylianos Ploumpis, Stefanos Zafeiriou, Connor William Myant

A three-dimensional (3D) printed custom-fit respirator mask has been proposed as a promising solution to alleviate mask-related injuries and supply shortages during COVID-19…

Improved accuracy of an FDM 3D printer using a face-diagonal length test using an artifact and a Vernier caliper

Seung-Han Yang, Kwang-Il Lee

The purpose of this study is to improve the accuracy of a fused deposition modeling three-dimensional (3D) printer by identifying and compensating for position-independent…

The influence of porosity, crystallinity and interlayer adhesion on the tensile strength of 3D printed polylactic acid (PLA)

Natalia von Windheim, David W. Collinson, Trent Lau, L. Catherine Brinson, Ken Gall

The purpose of this study is to understand how printing parameters and subsequent annealing impacts porosity and crystallinity of 3D printed polylactic acid (PLA) and how these…

Forming feasibility and interface microstructure of Al/Cu bimetallic structure fabricated by laser powder bed fusion

Jieren Guan, Qiuping Wang, Chao Chen, Jingyu Xiao

The purpose of this paper is to analyze and investigate heat accumulation caused by temperature changes and interface microstructure effected by element diffusion.

Effect of fiber content and fiber orientation on mechanical behavior of fused filament fabricated continuous-glass-fiber-reinforced nylon

Stephanie S. Luke, David Soares, Janaye V. Marshall, James Sheddden, Özgür Keleş

Fused filament fabrication of continuous-fiber-reinforced polymers is a promising technique to achieve customized high-performance composites. However, the off-axis tensile…

Preparation and selective laser sintering of nylon-12 coated copper powders

Yi Fu, Chunze Yan, Xiao Yang, Zhufeng Liu, Peng Chen, Zhaoqing Li

The purpose of this paper is to prepare metal/polymer composite materials prepared by additive manufacturing (AM) technology.

Analysis of factors influencing energy consumption of material extrusion-based additive manufacturing using interpretive structural modelling

Ramesh P., Vinodh S.

Material extrusion (MEX) is a class of additive manufacturing (AM) process based on MEX principle. In the viewpoint of Industry 4.0 and sustainable manufacturing, AM technologies…

Curved-layered material extrusion modeling for thin-walled parts by a 5-axis machine

Xiaojing Feng, Bin Cui, Yaxiong Liu, Lianggang Li, Xiaojun Shi, Xiaodong Zhang

The purpose of this paper is to solve the problems of poor mechanical properties, high surface roughness and waste support materials of thin-walled parts fabricated by…

Additive manufacturing of aluminium alloy 2024 by laser powder bed fusion: microstructural evolution, defects and mechanical properties

Manoj Kumar, Gregory J. Gibbons, Amitabha Das, Indranil Manna, David Tanner, Hiren R. Kotadia

The purpose of this study is to investigate the microstructural evolution of high-strength 2024 Al alloy prepared by the laser powder bed fusion (L-PBF) additive manufacturing…

On improving the surface finish of 3D printing polylactic acid parts by corundum blasting

Ana Pilar Valerga Puerta, J.D. Lopez-Castro, Adrián Ojeda López, Severo Raúl Fernández Vidal

Fused filament fabrication or fused deposition modeling (FFF/FDM) has as one of its main restrictions the surface quality intrinsic to the process, especially linked to the layer…

Supportless printing of lattice structures by metal fused filament fabrication (MF3) of Ti-6Al-4V: design and analysis

Mohammad Qasim Shaikh, Serena Graziosi, Sundar Vedanarayan Atre

This paper aims to investigate the feasibility of supportless printing of lattice structures by metal fused filament fabrication (MF³) of Ti-6Al-4V. Additionally, an empirical…

A novel device for in-situ force measurements during laser powder bed fusion (L-PBF)

Rodrigo Magana Carranza, Joseph Robinson, Ian Ashton, Peter Fox, Christopher Sutcliffe, Eann Patterson

The purpose of this paper is to detail the design and first use of a force transducer device to study the development of forces during the laser-powder bed fusion (L-PBF) process…

A bibliometric indicators analysis of additive manufacturing research trends from 2010 to 2020

Rajae Jemghili, Abdelmajid Ait Taleb, Mansouri Khalifa

Although many researchers have widely studied additive manufacturing (AM) as one of the most important industrial revolutions, few have presented a bibliometric analysis of the…