Rapid Prototyping Journal: Volume 30 Issue 10

Digital twin–driven optimization of laser powder bed fusion processes: a focus on lack-of-fusion defects

Asad Waqar Malik, Muhammad Arif Mahmood, Frank Liou

The purpose of this research is to enhance the Laser Powder Bed Fusion (LPBF) additive manufacturing technique by addressing its susceptibility to defects, specifically lack of…

Additive manufacturing of titanium–diamond parts: insights into the laser metal deposition process, powder rheology, mechanical properties and osteoblast cell viability

Nour Mani, Nhiem Tran, Alan Jones, Azadeh Mirabedini, Shadi Houshyar, Kate Fox

The purpose of this study is therefore to detail an additive manufacturing process for printing TiD parts for implant applications. Titanium–diamond (TiD) is a new composite that…

A response surface methodology investigation into the optimization of manufacturing time and quality for FFF 3D printed PLA parts

Abdurrahim Temiz

This study aims to examine the impact of specific printing factors, such as layer height, line width and build orientation, on the overall quality of fused filament fabrication…

Influence of nozzle temperatures on the microstructures and physical properties of 316L stainless steel parts additively manufactured by material extrusion

Nur Hidayah Musa, Nurainaa Natasya Mazlan, Shahir Mohd Yusuf, Farah Liana Binti Mohd Redzuan, Nur Azmah Nordin, Saiful Amri Mazlan

Material extrusion (ME) is a low-cost additive manufacturing (AM) technique that is capable of producing metallic components using desktop 3D printers through a three-step…

Decorative 3D printing on textiles using elastomer TPU filament under different printing conditions

John D. Kechagias, Dimitrios Chaidas, Tatjana Spahiu

New sustainable approaches to fashion products are needed due to the demand for customization, better quality and cost reduction. Therefore, the decoration of fashion products…

Correlation analysis of feedstock flowability and temperature for laser-based powder bed fusion of polymers

Raphael Timothy Steffen, Michael Robert Tucker, Francesco Sillani, Denis Schütz, Markus Bambach

For additive manufacturing (AM) through laser-based powder bed fusion of polymers (PBF-LB/P), accurate characterization of powder flowability is vital for achieving high-quality…

An artificial neural network-based predictive model for tensile behavior estimation under uncertainty for fused deposition modeling

Sinan Obaidat, Mohammad Firas Tamimi, Ahmad Mumani, Basem Alkhaleel

This paper aims to present a predictive model approach to estimate the tensile behavior of polylactic acid (PLA) under uncertainty using the fused deposition modeling (FDM) and…

Effect of process parameters on the mechanical performance of fusion-joined additively manufactured segments

Dongyang Cao, Daniel Bouzolin, Christopher Paniagua, Hongbing Lu, D.Todd Griffith

Herein, the authors report the effects of printing parameters, joining method, and annealing conditions on the structural performance of fusion-joined short-beam sections produced…

A practical path planning method for optimal repair paths between multiple small-size defects

Yongfeng Li, Yaotong Pan, Wenqiang Yang, Xiaochang Xu, Junpeng Xu, Lei Zhang

This study aims to solve the problem of repair path planning between multiple small-size defects in the field of additive manufacturing (AM) repair by using Python-based ant…

Thermal modeling of variable process parameter effects in powder bed fusion using electron beam

Baris Kirim, Emrecan Soylemez, Evren Tan, Evren Yasa

This study aims to develop a novel thermal modeling strategy to simulate electron beam powder bed fusion at part scale with machine-varying process parameters strategy…

Investigation on the mechanical and thermal properties of metal-PLA composites fabricated by FDM

Osman Ulkir

The aim of this study is to investigate the printing parameters of fused deposition modeling (FDM), a material extrusion-based method, and to examine the mechanical and thermal…

Comparison study of Izod impact properties on 3D printed thermoplastic and thermoset carbon fiber composite at different infill density

Pradeep Kumar Mishra, Jagadesh T.

This study aims to evaluate the low energy impact characteristics of 3D printed carbon fiber thermoplastic and thermoset polymer composite using the Izod impact test. The effects…

Comparing microstructure and mechanical properties of AlSi10 alloy produced by powder bed fusion-laser beam and high pressure die casting

Indrajeet Katti, Alistair Jones, Matthias Weiss, Dong Qiu, Joy H. Forsmark, Mark Easton

Powder bed fusion-laser beam (PBF-LB) is a rapidly growing manufacturing technology for producing Al-Si alloys. This technology can be used to produce high-pressure die-casting…

Novel additive lamination manufacturing system for rapid fabrication of large-scale reinforced structural members

Zhuoyang Xin, Guanqi Zhu, Yun Chung Hsueh, Dan Luo

Additive lamination manufacturing (ALM), as a novel additive manufacturing technology, builds up the geometry via the lamination of fiber-reinforced polymer (FRP) fabric…

Exploring mechanical behavior at interfaces of laser powder bed fusion (LPBF) deposits on wrought Inconel 718: an indentation-based approach

Abhishek Shrivastava, Anand Kumar S., Samrat Rao

This study used an indentation-based mechanical testing framework for the mechanical characterization of laser powder bed fusion (LPBF) processed Inconel 718 on a wrought Inconel…