Eujin Pei

• Brunel University London

The main objective of ISO/TC 261 is to standardise the processes of Additive Manufacturing, the process chains (Data, Materials, Processes, Hard- and Software, Applications), test procedures, quality parameters, supply agreements, environment, health and safety, fundamentals, and vocabularies. This section provides readers with news regarding stand...

The main objective of ISO/TC 261 is to standardise the processes of Additive Manufacturing, the process chains (Data, Materials, Processes, Hard- and Software, Applications), test procedures, quality parameters, supply agreements, environment, health and safety, fundamentals and vocabularies. This section provides readers with news regarding standa...

The main objective of ISO/TC 261 is to standardise the processes of Additive Manufacturing, the process chains (Data, Materials, Processes, Hard- and Software, Applications), test procedures, quality parameters, supply agreements, environment, health and safety, fundamentals and vocabularies. This section provides readers with news regarding standa...

The main objective of ISO/TC 261 is to standardize the processes of Additive Manufacturing, the process chains (Data, Materials, Processes, Hard- and Software, Applications), test procedures, quality parameters, supply agreements, environment, health and safety, fundamentals and vocabularies. This section provides readers with news regarding standa...

The history of Additive Manufacturing (AM) goes back to the nineteenth century in the form of photo-sculpture and three-dimensional (3D) cartography. The AM process chain is not limited to technological advancements and process mechanisms but also accelerated and supported through developments in Computer-Aided-Design (CAD), materials, testing, cer...

Additive manufacturing (AM) is different from other traditional production technologies. The introduction of AM parts into a product or a production process may have implications on cost structure, value creation, and revenue streams. This chapter discusses the cost and benefits associated with AM processes and products. The first half of the chapt...

This Handbook is the ultimate definitive guide that covers key fundamentals and advanced applications for Additive Manufacturing. The Handbook has been structured into seven sections, comprising of a thorough Introduction to Additive Manufacturing; Design and Data; Processes; Materials; Post-processing, Testing and Inspection; Education and Trainin...

The main objective of ISO/TC 261 is to standardise the processes of Additive Manufacturing, the process chains (Data, Materials, Processes, Hard- and Software, Applications), test procedures, quality parameters, supply agreements, environment, health and safety, fundamentals and vocabularies. This section provides readers with news regarding standa...

The main objective of ISO/TC 261 is to standardise the processes of additive manufacturing, the process chains (Data, Materials, Processes, Hard- and Software, Applications), test procedures, quality parameters, supply agreements, environment, health and safety, fundamentals and vocabularies. This section provides readers with news regarding standa...

The main objective of ISO/TC 261 is to standardise the processes of Additive Manufacturing, the process chains (Data, Materials, Processes, Hard- and Software, Applications), test procedures, quality parameters, supply agreements, environment, health and safety, fundamentals and vocabularies. This section provides readers with news regarding standa...

FGM is a special class of composite material that was first developed in Japan around 1984 for the propulsion system and airframe of space planes. The challenge was to create a thermal barrier that would be capable of withstanding a temperature of 1000 °C over a cross-section of 10 mm. A sharp interface between the matrix and the reinforcement in a...

A standard is a published document that describes a technical specification or a list of guidelines in the form of rules, definitions, methods, vocabularies, or codes of practices. Standards provide a unified source of reference for specifying or representing products. Before the industrial revolution, manufacturers from different places used to co...

This chapter briefly presents an introduction to key technological innovations in construction and their potential/current uses in the industry. Some of these technologies have been written about extensively; however, the summaries presented below are provided as a convenient introduction and reference for subsequent chapters.

The main objective of ISO/TC 261 is to standardise the processes of Additive Manufacturing, the process chains (data, materials, processes, hard- and software, applications), test procedures, quality parameters, supply agreements, environment, health and safety, fundamentals and vocabularies. This section provides readers with news regarding the st...

Direct Writing (DW), also known as Robocasting, is an extrusion-based layer-by-layer manufacturing technique suitable for manufacturing complex geometries. Different types of materials such as metals, composites, ceramics, biomaterials, and shape memory alloys can be used for DW. The simplicity and cost-efficiency of DW makes it convenient for diff...

The adoption of Additive Manufacturing (AM) has gradually transformed the fashion industry through innovation and technology over the last decade. Novel AM systems and techniques are continuously being developed, leading to the application of AM polymers with textiles and fabrics in the fashion industry. This work investigates the development and t...

Four-dimensional printing (4DP) is an approach of using Shape Memory Materials (SMMs) with additive manufacturing (AM) processes to produce printed parts that can deform over a determined amount of time. This research examines how Polylactic Acid (PLA), as a Shape Memory Polymer (SMP), can be programmed by manipulating the build parameters of mater...

4D printing (4DP) is a promising technology that enables additive manufactured parts to be programmed for actuation, reducing the need for external power or electromechanical systems. As this area of research has grown exponentially, this review paper aims to define and establish fundamental concepts and terminologies used in the field of 4DP. The...

Product-Service Systems (PSS), if properly designed and implemented, represent a promising approach to sustainability. However, there is a number of organisational, cultural and regulatory barriers that hinder the widespread PSS implementation. In this paper, the authors investigated Distributed Manufacturing (DM) as a promising production model wh...

The multidisciplinary nature and lack of comprehensive ‘materials-product-manufacturing’ knowledge of Functionally Graded Additive Manufacturing (FGAM) require training to support the future Additive Manufacturing experts. INEX-ADAM, an EU funded project is building a transnational platform to promote FGAM. Brunel University London conducted two-da...

This paper aims to provide an overview about 4D Printing (4DP), the use of Shape Memory Polymers (SMP) and how Computer-Aided Design (CAD) can be applied to programme shapes to perform controlled behaviors of 4DP parts when subject to environmental stimuli, leading to potential applications and outlining future challenges for this emerging field of...

As Additive manufacturing (AM) technologies and connected machines are ever more widespread across most industries, there is a need for a better understanding about the standardization activities related to information technology (IT) within the scope of AM. The purpose of this paper is to provide an overview of existing standardization activities...

Additive manufacturing or 3D printing has spearheaded a revolution in the biomedical sector allowing the rapid prototyping of medical devices. The recent advancements in bioprinting technology are enabling the development of potential new therapeutic options with respect to tissue engineering and regenerative medicines. Bacterial polysaccharides ha...

4D printing (4DP) combines the use of additive manufacturing (AM) to produce freeform components with stimuli-responsive materials, so that the printed parts can transform over a calculated duration of time. This paper provides a collective review of the transformational behavior of 4D printed parts that can be achieved using shape-memory polymers...

Bioprinting is a rapidly emerging technology with the potential to transform the biomedical sector. Here, we discuss how a range of bacterial polysaccharides with antibiofilm and antibacterial activity could be used to augment current bioink formulations to improve their biocompatibility and tackle the spread of antibiotic-resistant infections.

Additive Manufacturing (AM) enables designers to consider the benefits of digital manufacturing from the early stages of design. This may include the use of part integration to combine all required functions, utilizing multiple materials, moving assemblies, different local properties such as colour and texture, etc. Cost analysis can also be factor...

This chapter presents an overview of Functionally Graded Additive Manufacturing (FGAM) that is a layer-by-layer fabrication technique which involves gradationally varying the material organisation within a component to meet an intended function. The use of FGAM offers designers and engineers a huge potential to produce variable-property structures...

As Europe seeks to retain its leading position for industrial competitiveness, there is an urgent need to establish Additive Manufacturing (AM) skills at European, National and Regional levels. AM processes enable economic component production through efficient use of materials and increased design freedom as compared to conventional manufacturing....

Purpose This paper aims to investigate the effect of post-processing techniques on dimensional accuracy of laser sintering (LS) of Nylon and Alumide® and fused deposition modelling (FDM) of acrylonitrile butadiene styrene (ABS) materials. Design/methodology/approach Additive manufacturing (AM) of test pieces using LS of Nylon and Alumide® powder...

Hybrid Manufacturing combines the advantages of Additive Manufacturing (AM) and Subtractive Manufacturing on a single machine. Although previous research has provided a good background of the manufacturing parameters, the analysis is often carried out separately and there is a lack of combined knowledge. The purpose of this research is to examine t...

The use of additive manufacturing (AM) enables companies to directly produce complex end-use parts. Fused deposition modelling (FDM) is an AM technology based on an extrusion process of fabricating parts. This layer-by-layer method results in a poor surface finish, and as a result, manual finishing is often required, which consequentially reduces t...

This book provides an overview of training and teaching methods, as well as education strategies, for Additive Manufacturing (AM) and its application in different business sectors. It presents real-world applications and case studies to demonstrate the key practical and theoretical fundamentals of AM training, written by international experts from...

Purpose: This paper investigates the technology, business and intellectual property issues surrounding the production of spare parts through Additive Manufacturing (AM) from a digital source. It aims to identify challenges to the growth of the AM spares market and propose suitable solutions. Methodology: The paper begins with a systematic literatu...

4D printing utilizes additive manufacturing methods to produce stimulus-responsive components that can change its shape from one to another when subject to appropriate stimuli. The use of 4D printing technology is expected to significantly become more widespread with more applications across bio-medical, aerospace, and defence industries. This pape...

Additive Manufacturing (AM) is a real example of emerging technologies that can influence the whole product development process. During the AM process, large amounts of data are created, modified stored and retrieved. The management of large amounts of data, as well as the complexity of the relationships between stakeholders are amongst the major c...

Despite the potential of Product-Service Systems (PSS) to provide societal and economic well-being and environmental sustainability, they have not been widely implemented. The adoption of sustainable PSS is restricted by a number of implementation barriers linked to organisational, cultural and regulatory challenges. There are some initial yet stil...

4D printing is a technology that combines the capabilities of 3D printing with materials that can transform its geometry after being produced (e.g. Shape Memory Polymers). These advanced materials allow shape change by applying different stimulus such as heating. A 4D printed part will usually have 2 different shapes: a programmed shape (before the...

Purpose The purpose of this paper is to extend existing knowledge of 4D printing, in line with Khoo et al. (2015) who defined the production of 4D printing using a single material, and 4D printing of multiple materials. It is proposed that 4D printing can be achieved through the use of functionally graded materials (FGMs) that involve gradational...

The fourth dimension in 4D printing refers to the ability of materials to alter its form after they are produced, thereby providing additional functional capabilities and performance-driven applications. Stimuli materials provide this capability through the use of shape memory polymers. For this research, the property of programming the determined...

This paper reports an experimental investigation of the potential for printing selected commercially available activated carbon (AC) onto a flexible fabric. A dual nozzle deposition system was used based on fused deposition modelling (FDM) solid-based process. This is capable of extruding an AC slurry for making Electric Double-Layer Capacitors (ED...

Polymer-based composites are ideal for applications where high strength-to-weight and stiffness-to-weight ratios are required. In the biomedical field, fiber-reinforced polymers have replaced metals, emerging as suitable alternative. Reverse engineering and additive manufacturing methods are required to achieve the design of customized devices with...

The application of cellular structures in additive manufactured parts combined with lightweight optimisation has an enormous potential, reducing weight, production time and cost. This paper presents a new method based on design of experiments, metamodels and genetic algorithms (combined with Computer Aided Design and Finite Element Method tools) to...

Background: There is a paucity of literature about the status of therapeutic footwear and their role in prevention of diabetic foot ulcers in Nigeria. The purpose of this study is thus 2-fold. (1) To determine the perceived role of therapeutic footwear in the prevention of foot ulcers among patients with diabetes mellitus, (2) to establish strategi...

Fuse Deposition Modeling (FDM) offer several advantages such as less expensive material, lack of expensive lasers and allows complex geometry to be built. However, FDM have limitations such as seam lines appear between layers and excess material residue, leading to surface roughness and poor finish. Ultrasound has been applied in various convention...

In order to provide users a real-time force-feedback immersive virtual modelling environment, powerful computing capabilities are often needed. As this potentially results in a calculation bottleneck, virtual modelling scenes are often delayed and resulting in a poor user experience. In this paper, the authors present a novel approach to improve th...

In 2010, under the direction of Dr Ian Campbell from Loughborough University and Professor Deon de Beer at Vaal University of Technology, I undertook a series of experiments using the RapMan 3D Printer to understand the limitations of machine control and build characteristics (Pei et al., 2011). The conclusion was that the system had huge potential...

Fused deposition modeling (FDM) is an additive manufacturing (AM) process that has been used in various manufacturing fields. However, the drawback of FDM is poor surface finish of parts produced, leading to surface roughness and requires hand finishing. In this study, ultrasonic technology will be integrated into a desktop FDM system.Ultrasound ha...

Fused deposition modeling (FDM) is an additive manufacturing (AM) process that has an economical advantage compared to other AM processes. However, its biggest drawback is that it requires post processing to achieve a good surface finish. Ultrasound has been applied in various conventional machining processes and produces a good surface finish. How...

Experimentation is central to creative practice. Artists throughout the ages have explored, adopted and adapted the use of tools and techniques for creative means. The digital era has been no different; and as technology emerges, digital practice develops consequentially. Since the introduction of 3D computer graphics, practitioners have been creat...

Previous research has found that the use of ergonomics data has been relatively unpopular among designers, due to the fact that information is usually presented in a non-visual format. To encourage the uptake of ergonomics data, this research explored the potential of representing information in a more visual and dynamic way, through the use of the...