Rapid Prototyping Journal: Volume 29 Issue 5

Multi-material additive manufacturing: effect of process parameters on flexural behavior of soft-hard sandwich beams

Qingyang Liu, Ziyang Zhang, Denizhan Yavas, Wen Shen, Dazhong Wu

Understanding the effect of process parameters on interfaces and interfacial bonding between two materials during multi-material additive manufacturing (MMAM) is crucial to the…

Investigation of ABS–oil palm fiber (Elaeis guineensis) composites filament as feedstock for fused deposition modeling

Mohd Nazri Ahmad, Mohamad Ridzwan Ishak, Mastura Mohammad Taha, Faizal Mustapha, Zulkiflle Leman

The purpose of this paper is to investigate the tensile strength, Young’s modulus, dimensional stability and porosity of acrylonitrile butadiene styrene (ABS)–oil palm fiber…

An in situ surface defect detection method based on improved you only look once algorithm for wire and arc additive manufacturing

Jun Wu, Cheng Huang, Zili Li, Runsheng Li, Guilan Wang, Haiou Zhang

Wire and arc additive manufacturing (WAAM) is a widely used advanced manufacturing technology. If the surface defects occurred during welding process cannot be detected and…

Effects of annealing and acetone vapor smoothing on the tensile properties and surface roughness of FDM printed ABS components

Jonathan Torres, Elijah Abo, Anthony Joseph Sugar

This study aims to present the optimization of parameters and effects of annealing and vapor smoothing post-processing treatments on the surface roughness and tensile mechanical…

Laser subtractive and laser powder bed fusion of metals: review of process and production features

Mahyar Khorasani, Ian Gibson, Amir Hossein Ghasemi, Elahe Hadavi, Bernard Rolfe

The purpose of this study is, to compare laser-based additive manufacturing and subtractive methods. Laser-based manufacturing is a widely used, noncontact, advanced manufacturing…

Effect of annealing on physio-mechanical properties and laser parameter selection of additively manufactured Ti6Al4V orthopedic implants

Bhanupratap Gaur, Samrat Sagar, Chetana M. Suryawanshi, Nishant Tikekar, Rupesh Ghyar, Ravi Bhallamudi

Ti6Al4V alloy patient-customized implants (PCI) are often fabricated using laser powder bed fusion (LPBF) and annealed to enhance the microstructural, physical and mechanical…

Modelling of the multi-jet fusion capillarity effect on close facing edges

Mattia Mele, Giampaolo Campana, Gian Luca Monti

The purpose of this paper is to develop a physical model able to predict the shape of the capillarity effect in multi-jet fusion when two facing edges mutually affect each other…

A physics-based modeling framework to assess the cost scaling of additive manufacturing, with application to laser powder bed fusion

Kaitlyn Gee, Suh In Kim, Haden Quinlan, A. John Hart

This study presents a framework to estimate throughput and cost of additive manufacturing (AM) as related to process parameters, material thermodynamic properties and machine…

Physical properties of wood-based materials for liquid deposition modeling

Michael Rosenthal, Markus Rüggeberg, Christian Gerber, Lukas Beyrich, Jeremy Faludi

The purpose of this study is to quantify the vertical shrinkage rates and the mechanical strength of three-dimensional (3D) printed parts for a variety of wood-based materials for…

WC-reinforced iron matrix composites fabricated by wire arc additive manufacturing combined with gravity-driven powder feeding: particle transportation and size effects

Runyao Yu, Xingwang Bai, Xueqi Yu, Haiou Zhang

A new wire arc additive manufacturing (WAAM) process combined with gravity-driven powder feeding was developed to fabricate components of tungsten carbide (WC)-reinforced iron…

The effect of process parameters on the mechanical properties of additively manufactured parts using a hierarchical multiscale model

Taha Sheikh, Kamran Behdinan

This paper aims to present a hierarchical multiscale model to evaluate the effect of fused deposition modeling (FDM) process parameters on mechanical properties. Asymptotic…

The effect of rescanning strategy on residual stress and deformation of laser-based powder bed fusion of 316L stainless steel thin-walled parts

Minting Wang, Renjie Cao, HuiChao Chang, Dong Liang

Laser-based powder bed fusion (LPBF) is a new method for forming thin-walled parts, but large cooling rates and temperature gradients can lead to large residual stresses and…

Investigations on effect of pore architectures of additively manufactured novel hydroxyapatite coated PLA/Al2O3 composite scaffold for bone tissue engineering

Neha Choudhary, Chandrachur Ghosh, Varun Sharma, Partha Roy, Pradeep Kumar

The purpose of this paper is to fabricate the scaffolds with different pore architectures using additive manufacturing and analyze its mechanical and biological properties for…

Parametric experimental investigation of additive manufacturing-based distal ulna bone plate: a response surface methodology-based design approach

Shrutika Sharma, Vishal Gupta, Deepa Mudgal

The implications of metallic biomaterials involve stress shielding, bone osteoporosis, release of toxic ions, poor wear and corrosion resistance and patient discomfort due to the…

Material extrusion additive manufacturing of 17–4 PH stainless steel: effect of process parameters on mechanical properties

Animesh Basak, A. Lee, Alokesh Pramanik, Ken Neubauer, Chander Prakash, S. Shankar

Regardless of the materials used, additive manufacturing (AM) is one of the most popular emerging fabrication processes used for creating complex and intricate structural…