Rapid Prototyping Journal: Volume 29 Issue 6

Process-dependent anisotropic thermal conductivity of laser powder bed fusion AlSi10Mg: impact of microstructure and aluminum-silicon interfaces

Arad Azizi, Fatemeh Hejripour, Jacob A. Goodman, Piyush A. Kulkarni, Xiaobo Chen, Guangwen Zhou, Scott N. Schiffres

AlSi10Mg alloy is commonly used in laser powder bed fusion due to its printability, relatively high thermal conductivity, low density and good mechanical properties. However, the…

Effect of process parameters on properties of 3D printed continuous fiber reinforced thermoplastic composites

Wei Chen, Qiuju Zhang, Ye Yuan, Xiaoyan Chen, Qinghao He

Continuous fiber reinforced thermoplastic composites (CFRTPCs) with great mechanical properties and green recyclability have been widely used in aerospace, transportation, sports…

Effect of GNPs and resin blend on tear resistance of 4D printed shape memory photopolymer composite

N. Dhanunjayarao Borra, Venkata Swamy Naidu Neigapula

The tear strength (Ts) is a significant property for any kind of soft polymeric material such as rubber, elastomer, viscoelastic material and its composites, to quantify the…

Fatigue experimental analysis and modelling of fused filament fabricated PLA specimens with variable process parameters

Steffany N. Cerda-Avila, Hugo Iván Medellín-Castillo, José M. Cervántes-Uc, Alejandro May-Pat, Aarón Rivas-Menchi

The purpose of this study is twofold: firstly, to investigate the effect of the infill value and build orientation on the fatigue behaviour of polylactic acid (PLA) specimens made…

Interfacial adhesion strength between FDM-printed PLA parts and surface-treated cellulosic-woven fabrics

Murat Demir, Yasemin Seki

The purpose of this study is to investigate surface treatments and fiber types on adhesion properties polylactic acid (PLA) three-dimensional (3D) parts printed on woven fabrics.

Synthesis and optimization for shape memory behaviour of 4D printed GNPs reinforced shape memory photopolymer composite

N. Dhanunjayarao Borra, Venkata Swamy Naidu Neigapula

Shape memory materials are functional materials having a good number of applications due to their unique features of programmable material technology such as self-stretching…

Review of recent trends in ultrasonic additive manufacturing: current challenges and future prospects

Kashif Ishfaq, Zafar Abas, M. Saravana Kumar, Muhammad Arif Mahmood

This study aims to outline the current challenges in ultrasonic additive manufacturing (AM). AM has revolutionized manufacturing and offers possible solutions when conventional…

Numerical investigations on mechanical properties of bio-inspired 3D printed geometries using multi-jet fusion process

Ramesh Chand, Vishal S. Sharma, Rajeev Trehan, Munish Kumar Gupta

The purpose of this study is to find the best geometries among the cylindrical, enamel and honeycomb geometries based upon the mechanical properties (tensile test, compression…

Hybrid acoustic materials through assembly of tubes and microchannels: design and experimental investigation

Josué Costa-Baptista, Edith Roland Fotsing, Jacky Mardjono, Daniel Therriault, Annie Ross

The purpose of this paper is the design and experimental investigation of compact hybrid sound-absorbing materials presenting low-frequency and broadband sound absorption.

Laser powder bed fusion of granulation-sintering-deoxygenation WC/18Ni300 composites: anisotropic microstructure characterization and wear properties

Bibo Yao, Zhenhua Li, Baoren Teng, Jing Liu

Laser powder bed fusion (LPBF) can be used to fabricate complex extrusion die without the limitation of structures. Layer-by-layer processing leads to differences in…

Experimental and finite element method investigation on the compression behaviour of FCCZ and BCC lattice structures of additively manufactured Fe-3Si samples

Sudipta Pramanik, Kay-Peter Hoyer, Mirko Schaper

The purpose of this study is to investigate the manufacturability of Fe-3Si lattice structures and the resulting mechanical properties. This study could lead to the successful…

A hybrid ANN/PSO optimization of material composition and process parameters for enhancement of mechanical characteristics of 3D-printed sample

Mirsadegh Seyedzavvar

This paper aims to study the effects of inorganic CaCO₃ nanoadditives in the polylactic acid (PLA) matrix and fused filament fabrication (FFF) process parameters on the mechanical…

Enhanced cooling rates in laser directed energy deposition with interlayer peening

Abeer Mithal, Niroj Maharjan, Sridhar Idapalapati

This study aims to investigate the effect of mechanical peening on the cooling rate of a subsequently deposited layer in a hybrid additive manufacturing (AM) process.

Manufacturability study in laser powder bed fusion of biomedical Ti alloys for orthopedic implants: an investigation of mechanical properties, process-induced porosity and surface roughness

Mudassar Rehman, Yanen Wang, Kashif Ishfaq, Haiou Yang, Ray Tahir Mushtaq, M. Saravana Kumar, Ammar Ahmed

Since the biomedical implants with an improved compressive strength, near bone elastic modulus, controlled porosity, and sufficient surface roughness, can assist in long term…

Optimization of dimensional accuracy and surface roughness in m-SLA using response surface methodology

Shamsher Singh, Abhas Jain, Prachi Chaudhary, Rishabh Gupta, Harlal Singh Mali

This paper aims to investigate the dimensional accuracy and surface roughness of printed masked stereolithography (m-SLA) parts. The fabricated specimens of photosensitive polymer…