Rapid Prototyping Journal: Volume 30 Issue 2

Development of process-structure linkage for Inconel 718 processed by laser powder bed fusion: a numerical modeling approach

Anuj Kumar, Mukul Shukla

Understanding and tailoring the solidification characteristics and microstructure evolution in as-built parts fabricated by laser powder bed fusion (LPBF) is crucial as they…

Assessment of the mechanical properties of PC/ABS blends for functional prototyping by FFF 3D printing

Cleiton Lazaro Fazolo De Assis, Cleber Augusto Rampazo

This paper aims to evaluate the mechanical behaviour of polycarbonate/acrylonitrile butadiene styrene (PC/ABS) filaments for fusion filament fabrication (FFF). PC/ABS have emerged…

Method for manufacturing ergonomic bespoke external breast prostheses using low-cost computer-aided technology

Lucia Regina, José Aguiomar Foggiatto

Breast cancer is the most diagnosed type of cancer in the world, and mastectomies to remove tumors are still common. An external breast prosthesis (EBP) can be used to minimize…

Study on the mechanism and performance of 3D-printed PLA/epoxy composite for stab resistance

Zhe Du, Changjie Chen, Xinhou Wang

Stab-resistant body armor (SRBA) is used to protect the body from sharp knives. However, most SRBA materials currently have the disadvantages of large weight and thickness. This…

Fabrication of continuous woven E-glass fiber composite using vat photopolymerization additive manufacturing process

Annada Prasad Moharana, Ratnesh Raj, Amit Rai Dixit

The industrial application of continuous glass fabric-reinforced polymer composites (GFRPCs) is growing; however, the manufacturing boundedness of complex structures and the high…

Additively manufactured rectangular waveguides for the electromagnetic characterization of materials using the transmission/reflection line method

Connor Shane Smith, Alanna Julius, Christian Arbeeny, John Davenport Stevens

Radio frequency (RF) technology relies on the electromagnetic properties of the materials used, which includes their complex permittivities and loss tangents. To measure these…

Direct-print thermally responsive 4D textiles by depositing PLA on prestretched fabrics

Jinyu Zhang, Danni Shen, Yuxiang Yu, Defu Bao, Chao Li, Jiapei Qin

This study aims to develop a four-dimensional (4D) textile composite that self-forms upon thermal stimulation while eliminating thermomechanical programming steps by using fused…

The effect of additively and subtractively created center internal features on microstructure and mechanical performance of inconel-718 parts

Murat Isik, Isa Emami Tabrizi, Raja Muhammad Awais Khan, Mehmet Yildiz, Eda Aydogan, Bahattin Koc

In recent years, additive manufacturing (AM) has started to be used for manufacturing real functional parts and assemblies for critical applications in aerospace, automotive, and…

Fiber reinforced additive manufacturing: structurally motivated print orientation and sequential topology optimization of anisotropic material

Noah Ray, Il Yong Kim

Fiber reinforced additive manufacturing (FRAM) is an emerging technology that combines additive manufacturing and composite materials. As a result, design freedom offered by the…

On 3D printed intelligent diaphragmatic hernia sensor

Rupinder Singh, Gurwinder Singh, Arun Anand

The purpose of this paper is to design and manufacture an intelligent 3D printed sensor to monitor the re-occurrence of diaphragmatic hernia (DH; after surgery) in bovines as an…

Modeling the effect of processing parameters on temperature history in Directed Energy Deposition: an analytical and finite element approach

Mehran Ghasempour-Mouziraji, Daniel Afonso, Saman Hosseinzadeh, Constantinos Goulas, Mojtaba Najafizadeh, Morteza Hosseinzadeh, D.D. Ganji, Ricardo Alves de Sousa

The purpose of this paper is to assess the feasibility of analytical models, specifically the radial basis function method, Akbari–Ganji method and Gaussian method, in conjunction…

Predictive modeling for online in-plane shape deviation inspection and compensation of additive manufacturing

Hao Wang, Hamzeh Al Shraida, Yu Jin

Limited geometric accuracy is one of the major challenges that hinder the wider application of additive manufacturing (AM). This paper aims to predict in-plane shape deviation for…

Optimization of the printability envelope of low-viscosity powder-binder feedstocks used in material extrusion 3D printing

Mohamed Ahmed Omrane, Raphaël Côté, Vincent Demers

The purpose of this study is to determine the material extrusion (MEX) printability envelope of a new kind of low-viscosity powder-binder feedstocks using rheological properties.

In situ TiC reinforced Ti6Al4V matrix composites manufactured via selective laser melting

İdris Tuğrul Gülenç, Mingwen Bai, Ria L. Mitchell, Iain Todd, Beverley J. Inkson

Current methods for the preparation of composite powder feedstock for selective laser melting (SLM) rely on costly nanoparticles or yield inconsistent powder morphology. This…

Effect of forming angle on the microstructure and properties of GH3536 nickel-based superalloy formed by SLM

Jibing Chen, Shisen Huang, Nan Chen, Chengze Yu, Shanji Yu, Bowen Liu, Maohui Hu, Ruidi Li

This paper aims to identify the optimal forming angle for the selective laser melting (SLM) process and evaluate the mechanical properties of the SLM-formed GH3536 alloy in the…