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PVC Handbook

This easy-to-understand guide provides the necessary information to implement a scientific molding program. It is a hands-on reference for people on the molding floor, including those previously lacking theoretical background or formal education.

The book covers how the injection molding machine prepares the plastic and understanding of plastic flow. The functions of the main machine components are explained and understanding of correct procedures and testing is developed. Each step of the process is clearly explained in a step-by-step manner, and simple examples of important calculations are provided. The practical approach is augmented by useful guides for troubleshooting and machine set-up. 

The 2nd edition has a new chapter covering the effects of making specific changes to the process, as well as a number of other improvements throughout. Bonus download included: Excel spreadsheet with tests for process and machine performance.

Contents
1. Injection Unit: Screw
2. Injection Unit: Barrel
3. Clamping Unit
4. Ejectors/Controllers, Human Machine Interface (HMI)
5. Machine Performance Testing
6. Process Development Test
7. Plastic Temperature
8. Plastic Flow
9. Plastic Pressure (Pack/Hold)
10. Cooling
11. Benchmarking the Injection Molding Process
12. Process Troubleshooting
13. What is Important on a Set-Up Sheet?
14. Commonly Used Conversion Factors and Formulas
15. Machine Set-Up
16. Things That Hurt the Bottom Line of a Company
17. Terms and Definitions

This easy-to-understand guide provides the necessary information to implement a scientific molding program. It is a hands-on reference for people on the molding floor, including those previously lacking theoretical background or formal education.

The book covers how the injection molding machine prepares the plastic and understanding of plastic flow. The functions of the main machine components are explained and understanding of correct procedures and testing is developed. Each step of the process is clearly explained in a step-by-step manner, and simple examples of important calculations are provided. The practical approach is augmented by useful guides for troubleshooting and machine set-up. 

The 2nd edition has a new chapter covering the effects of making specific changes to the process, as well as a number of other improvements throughout. Bonus download included: Excel spreadsheet with tests for process and machine performance.

Contents
1. Injection Unit: Screw
2. Injection Unit: Barrel
3. Clamping Unit
4. Ejectors/Controllers, Human Machine Interface (HMI)
5. Machine Performance Testing
6. Process Development Test
7. Plastic Temperature
8. Plastic Flow
9. Plastic Pressure (Pack/Hold)
10. Cooling
11. Benchmarking the Injection Molding Process
12. Process Troubleshooting
13. What is Important on a Set-Up Sheet?
14. Commonly Used Conversion Factors and Formulas
15. Machine Set-Up
16. Things That Hurt the Bottom Line of a Company
17. Terms and Definitions

A Practical Approach to Scientific Molding

Advanced Structured Materials

Applications

Rubber Based Bionanocomposites

Herstellung, Verarbeitung und Recycling

Biobasiertes Polybutylensuccinat

The Minerals, Metals & Materials Series

Natural fibers' abundance, excellent properties, biodegradability, and low cost make this renewable resource a green alternative to synthetic fibers for composite material reinforcement. The need to create sustainable solutions has promoted applications in sports, transportation, armor, medicine, infrastructure, construction and building materials, and architecture. This collection promotes the use of natural materials and their composites as a possible strategy to increase environmental sustainability, as well as to study materials fundamentals for new applications. Topics include but are not limited to:


¿ Properties and fundamentals of natural fibers


¿ Surface modifications to improve properties


¿ Biocomposite materials and potential contributions to sustainability


¿ Durability, dynamic behavior, adhesion, impact response, mechanical, thermal, and other properties related to natural materials and their composites

Natural fibers' abundance, excellent properties, biodegradability, and low cost make this renewable resource a green alternative to synthetic fibers for composite material reinforcement. The need to create sustainable solutions has promoted applications in sports, transportation, armor, medicine, infrastructure, construction and building materials, and architecture. This collection promotes the use of natural materials and their composites as a possible strategy to increase environmental sustainability, as well as to study materials fundamentals for new applications. Topics include but are not limited to:•&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Properties and fundamentals of natural fibers•&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Surface modifications to improve properties•&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Biocomposite materials and potential contributions to sustainability•&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Durability, dynamic behavior, adhesion, impact response, mechanical, thermal, and other properties related to natural materials and their composites&nbsp;

A Sustainable Solution

Natural Fibers and Biocomposites

Synthesis Lectures on Data Mining and Knowledge Discovery

This book presents a comprehensive range of topics in deep learning for polymer discovery, from fundamental concepts to advanced methodologies. &nbsp;These topics are crucial as they address critical challenges in polymer science and engineering. With a growing demand for new materials with specific properties, traditional experimental methods for polymer discovery are becoming increasingly time-consuming and costly. Deep learning offers a promising solution by enabling rapid screening of potential polymers and accelerating the design process.&nbsp; The authors begin with essential knowledge on polymer data representations and neural network architectures, then progress to deep learning frameworks for property prediction and inverse polymer design. The book then explores both sequence-based and graph-based approaches, covering various neural network types including LSTMs, GRUs, GCNs, and GINs. Advanced topics include interpretable graph deep learning with environment-based augmentation, semi-supervised techniques for addressing label imbalance, and data-centric transfer learning using diffusion models. &nbsp;The book aims to solve key problems in polymer discovery, including accurate property prediction, efficient design of polymers with desired characteristics, model interpretability, handling imbalanced and limited labeled data, and leveraging unlabeled data to improve prediction accuracy.
In addition, this book:

Includes examples and experiments to demonstrate the effectiveness of the methods on real-world polymer datasets
Offers detailed problem definitions, method descriptions, and experimental results

Serves as a reference for readers seeking to leverage artificial intelligence in materials research and development

&lt;
Offers detailed problem definitions and method descriptions


Includes examples and experiments to demonstrate the effectiveness of the methods on real-world polymer datasets


Gang Liu is a 4th year Ph.D. student in the Department of Computer Science and Engineering at the University of Notre Dame.&nbsp;
Eric Inae is a 3rd year Ph.D. student in the Department of Computer Science and Engineering at the University of Notre Dame.&nbsp;
Meng Jiang, Ph.D., is an Associate Professor in the Department of Computer Science and Engineering at the University of Notre Dame.

Foundation and Advances

Deep Learning for Polymer Discovery

Macromolecular Separation Science

Einführung in die Kautschuktechnologie

This book treats the mechanical behavior of one-dimensional sandwich structures, a typical concept in the context of lightweight design. Such structures are composed of different constituent (e.g.,&nbsp;layers) in order to achieve overall properties, which are better than for a single component alone. This book covers the basic mechanical load cases, i.e.,&nbsp;tension/compression, bending,&nbsp;and shear. Based on this knowledge, different failure modes, i.e.,&nbsp;plastic yielding, and global and local instabilities are investigated. In addition, an introduction to classic optimization problems, i.e.,&nbsp;the formulation of an objective function (e.g.,&nbsp;the weight of a structure) and corresponding restrictions, is included. The consideration here is limited to one- or two-dimensional design spaces, i.e.,&nbsp;with a maximum of two design variables. For such simple cases, the minimum of the objective function can often be determined using analytical or graphical methods.

This book treats the mechanical behavior of one-dimensional sandwich structures, a typicaloncept in the context of lightweight design. Such structures are composed of different constituent (e.g.,&nbsp;layers) in order to achieve overall properties, which are better than for a single component alone. This book covers the basic mechanical load cases, i.e.,&nbsp;tension/compression, bending,&nbsp;and shear. Based on this knowledge, different failure modes, i.e.,&nbsp;plastic yielding, and global and local instabilities are investigated. In addition, an introduction to classic optimization problems, i.e.,&nbsp;the formulation of an objective function (e.g.,&nbsp;the weight of a structure) and corresponding restrictions, is included. The consideration here is limited to one- or two-dimensional design spaces, i.e.,&nbsp;with a maximum of two design variables. For such simple cases, the minimum of the objective function can often be determined using analytical or graphical methods.

Mechanics of Classical Sandwich Structures

Nanomaterials for Defense, Aeronautical and Aerospace Applications

Erlanger Kunststoff-Schadensanalyse

Die Viskosität und ihre Abhängigkeit vom Molekulargewicht, der Verformungsgeschwindigkeit, der Temperatur, der Feuchtigkeit und der Alterung ist eines der wichtigsten Diagnosewerkzeuge für den praktizierenden Ingenieur und Wissenschaftler, der mit Kunststoffen arbeitet. Die Wichtigkeit der Viskosität als Bindeglied zwischen dem Molekül und dem Endprodukt wird im vorliegenden Buch perfekt eingefangen. Das Buch beginnt mit der Definition der verschiedenen Begriffe der Viskosität, wie Schmelzindex, sowie dynamische, kinematische, relative und spezifische Viskosität. Es folgt eine Diskussion der verschiedenen Faktoren, die die Größe der Viskosität beeinflussen. Nach der Einführung der Grundlagen stellen die Autoren die verschiedenen Messverfahren vor, darunter das Kapillarviskosimeter, den Auslaufbecher, das Kugelfallviskosimeter und die verschiedenen Rotationsrheometer. Alle diese rheometrischen Techniken werden mit dem kompletten Gleichungssatz vorgestellt, der es dem Ingenieur erlaubt, die Messungsergebnisse vollumfänglich hinsichtlich ihres Entstehens zu beurteilen. Die Autoren schließen mit der Darstellung verschiedener Fallstudien ab, in denen sie aufzeigen, wie die Viskosität als Werkzeug zum Verständnis des Versagens verschiedener Komponenten dienen kann - von der Qualitätskontrolle des Materials, das in eine Produktionsanlage gelangt, bis hin zum Versagen eines Flugzeugfensters oder eines ausgefallenen extrudierten Polyamidprofils. Die praktischen Beispiele zeigen nicht nur, wie man die verschiedenen verfügbaren Techniken zur Beurteilung der Vorgänge einsetzt, sondern vermitteln dem Leser praktische Erfahrung auf diesem Gebiet. Dieses Buch ist sehr empfehlenswert für Techniker, Ingenieure oder Berater, sowohl für die Arbeit im Feld wie im Labor. Es empfiehlt sich überdies als pädagogisches Hilfsmittel, um Studenten wichtige Diagnosewerkzeuge bei der Untersuchung des Versagens von Kunststoffteilen zu vermitteln. Das Fachbuch ist der achte Band in der Reihe der "Erlanger Kunststoff-Schadensanalyse".

Die Viskosität und ihre Abhängigkeit vom Molekulargewicht, der Verformungsgeschwindigkeit, der Temperatur, der Feuchtigkeit und der Alterung ist eines der wichtigsten Diagnosewerkzeuge für den praktizierenden Ingenieur und Wissenschaftler, der mit Kunststoffen arbeitet. Die Wichtigkeit der Viskosität als Bindeglied zwischen dem Molekül und dem Endprodukt wird im vorliegenden Buch perfekt eingefangen. 
Das Buch beginnt mit der Definition der verschiedenen Begriffe der Viskosität, wie Schmelzindex, sowie dynamische, kinematische, relative und spezifische Viskosität. Es folgt eine Diskussion der verschiedenen Faktoren, die die Größe der Viskosität beeinflussen. Nach der Einführung der Grundlagen stellen die Autoren die verschiedenen Messverfahren vor, darunter das Kapillarviskosimeter, den Auslaufbecher, das Kugelfallviskosimeter und die verschiedenen Rotationsrheometer. Alle diese rheometrischen Techniken werden mit dem kompletten Gleichungssatz vorgestellt, der es dem Ingenieur erlaubt, die Messungsergebnisse vollumfänglich hinsichtlich ihres Entstehens zu beurteilen. Die Autoren schließen mit der Darstellung verschiedener Fallstudien ab, in denen sie aufzeigen, wie die Viskosität als Werkzeug zum Verständnis des Versagens verschiedener Komponenten dienen kann – von der Qualitätskontrolle des Materials, das in eine Produktionsanlage gelangt, bis hin zum Versagen eines Flugzeugfensters oder eines ausgefallenen extrudierten Polyamidprofils. Die praktischen Beispiele zeigen nicht nur, wie man die verschiedenen verfügbaren Techniken zur Beurteilung der Vorgänge einsetzt, sondern vermitteln dem Leser praktische Erfahrung auf diesem Gebiet. 
Dieses Buch ist sehr empfehlenswert für Techniker, Ingenieure oder Berater, sowohl für die Arbeit im Feld wie im Labor. Es empfiehlt sich überdies als pädagogisches Hilfsmittel, um Studenten wichtige Diagnosewerkzeuge bei der Untersuchung des Versagens von Kunststoffteilen zu vermitteln. 
Das Fachbuch ist der achte Band in der Reihe der "Erlanger Kunststoff-Schadensanalyse".

Viskosität

This book contains previously classified information on the physical and chemical characteristics of metallic and composite materials used in the production of elements of special-purpose structures, and reveals the set of techniques and tools through which this information was obtained. It sets the foundations for the methodology of systematic automated identification of the special-purpose structures by their fragments.The main topics are theoretical foundations and practical results of scanning electron microscopy in determining chemical composition, structure, surface topography and frequency characteristics (reflection and absorption coefficients of electromagnetic waves) of fragments of the structures made of both metal alloys and composite materials.Applied aspects such as the parameters of electromagnetic radiation recommended for effective identification of special-purpose structures made of composite radiation absorbent materials and coatings; development of a scientifically based system for automated identification of the structures by their fragments.The book is aimed at solving the problem to prevent uncontrolled or "gray" transfer of special-purpose products, technologies and materials of military or dual use by forming a scientifically based automatic identification system (by class and country of origin) of special-purpose products by their fragments, using scanning electron microscopy to determine their chemical composition, structure, surface topography, and frequency characteristics.The book is useful to a wide range of specialists in the field of materials science, as well as specialists in the defense sector of industry.

Identification of Special-Purpose Structures by their Fragments Based on Scanning Electron Microscopy

This book provides an in-depth analysis of the hypothesis of chemical evolution that may have led to the origin of life, serving three main purposes: it provides a comprehensive summary of hundreds of chemical experiments and analytical studies from the past 70 years, evaluates their significance in supporting the hypothesis of chemical evolution, and offers a critical review of these experiments and hypotheses. The book is particularly valuable for students, postdocs, and scientists engaged in experimental work in this field.&nbsp;This book outlines the latest experimental and theoretical achievements in chemical evolution research, addressing fundamental questions such as “How to define life?” and “Why life by chemical evolution?”. It explores various hypotheses and covers topics like polymerization processes, model syntheses of amino acids, saccharides, and nucleotides, and the chemistry of interstellar clouds and meteorites. In this book, readers will discover a thorough examination of the problem of homochirality and its implications for the origin of life. The book also invites readers to think through critical questions such as the likelihood of life emerging elsewhere in the universe and the role of race­mization in early biochemical processes.&nbsp;This volume is an essential resource for researchers and scholars in biochemistry, as­trobiology, and evolutionary biology, as well as students and interested laypersons. Offering valuable insights into the chemical foundations of life, this book appeals to all who are curious about how life began.

A Review and Evaluation of Experiments and Hypotheses

Life by Chemical Evolution?

PVC Handbook

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Bibliografische Angaben

Schlagworte

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