Pultrusion: State-of-the-Art Process Models with Applications

Pultrusion is a state-of-the-art process model that provides methodical coverage of process models, computation simulation, governing principles, and key challenges to enable process optimization and scale-up. This new edition has been revised and expanded to include the latest advances, state-of-the-art process models, and governing principles.

Format: Paperback / softback
Length: 266 pages
Publication date: 20 June 2023
Publisher: Elsevier - Health Sciences Division

Pultrusion: State-of-the-Art Process Models with Applications, Second Edition is a comprehensive guide to pultrusion, offering thorough coverage of process models and computation simulation, governing principles and science, and key challenges to assist readers in enabling process optimization and scale-up. This revised and expanded edition incorporates the latest advancements, state-of-the-art process models, and governing principles. The primary challenges in pultrusion, such as process-induced residual stresses, shape distortions, thermal history, species conversion, phase changes, impregnation of reinforcements, and pulling force, are described with related examples. Moreover, strategies for achieving a reliable and optimized process through probabilistic approaches and optimization algorithms are summarized. Another focus of this book is on conducting thermo-chemical and mechanical analyses of the pultrusion process for industrial profiles.

Introduction:
Pultrusion is a versatile manufacturing process that involves the continuous extrusion of a molten or semi-molten material through a die or mold to shape it into a desired profile. It has gained widespread popularity in various industries due to its ability to produce complex shapes with high strength-to-weight ratios, excellent surface quality, and customizable properties. This book aims to provide a comprehensive understanding of pultrusion process models and their applications, with a particular emphasis on state-of-the-art models and their practical implications.

Chapter 1:
In this chapter, we introduce the basic principles of pultrusion, including the material selection, die design, and process parameters that influence the shape and properties of the final product. We also discuss the different types of pultrusion processes, such as continuous fiber reinforcement, thermoplastic, and composite pultrusion, and their respective advantages and limitations.

Chapter 2:
Chapter 2 focuses on the development and validation of pultrusion process models. We discuss the various modeling approaches, such as finite element analysis (FEA), computational fluid dynamics (CFD), and empirical models, and their applications in predicting the flow behavior, temperature distribution, and mechanical properties of the pultruded material. We also highlight the importance of model validation through experimental studies and discuss the challenges associated with model uncertainty and accuracy.

Chapter 3:
Chapter 3 explores the computation simulation of pultrusion processes. We discuss the use of commercial software packages, such as ANSYS, ABAQUS, and COMSOL, for simulating pultrusion processes. We cover the input parameters, boundary conditions, and post-processing techniques required to obtain accurate results. We also discuss the advantages and limitations of simulation-based optimization and provide examples of how it has been used in the industry.

Chapter 4:
Chapter 4 discusses the governing principles and science of pultrusion. We explore the underlying mechanisms that govern the flow process, including the flow behavior, heat transfer, and phase changes that occur during the extrusion process. We also discuss the effects of process parameters, such as die geometry, temperature, and flow velocity, on the mechanical properties and dimensional stability of the pultruded product. We also highlight the importance of understanding the thermo-chemical and mechanical interactions between the reinforcement material and the matrix material in composite pultrusion processes.

Chapter 5:
Chapter 5 focuses on the key challenges in pultrusion, such as process-induced residual stresses, shape distortions, thermal history, species conversion, phase changes, impregnation of reinforcements, and pulling force. We discuss the causes and consequences of these challenges and provide examples of how they have been addressed in the industry. We also discuss the use of probabilistic approaches and optimization algorithms to improve the reliability and optimization of pultrusion processes.

Chapter 6:
Chapter 6 explores the thermo-chemical and mechanical analyses of the pultrusion process for industrial profiles. We discuss the use of experimental techniques, such as hot pressing, thermogravimetric analysis (TGA), and mechanical testing, to characterize the microstructure, thermal properties, and mechanical properties of the pultruded material. We also discuss the use of numerical simulations and modeling approaches to predict the behavior of the pultruded material under different operating conditions.

Conclusion:
In conclusion, Pultrusion: State-of-the-Art Process Models with Applications, Second Edition is a valuable resource for researchers, engineers, and practitioners in the field of pultrusion. It provides a comprehensive coverage of process models, computation simulation, governing principles, and key challenges, enabling readers to optimize and scale-up pultrusion processes for a wide range of applications. The book emphasizes the importance of understanding the underlying mechanisms and interactions that govern the pultrusion process, and provides practical strategies for achieving reliable and optimized processes using probabilistic approaches and optimization algorithms. With its updated content and comprehensive coverage, this book is an essential tool for anyone interested in advancing the state-of-the-art in pultrusion technology.

Dimension: 235 x 191 (mm)
ISBN-13: 9780323916134
Edition number: 2 ed