Intro; Acknowledgements; Contents; 1 How to Use This Booklet; 1.1 For Whom This Booklet Is Written; 1.2 Some Suggestions for the Use; 1.3 Conclusions; Bibliography; 2 What Do We Understand by Extrusion in Ceramics?; 2.1 Shaping Methods in the Ceramics Industry; 2.2 What Is Extrusion?; 2.3 Criteria for Extrusion; 2.4 Feeding Systems; 2.5 Auger and Barrel; 2.5.1 Auger; 2.5.2 Barrel; 2.6 De-airing; 2.7 Extruded Ceramic Products; 2.8 Conclusions; Bibliography; 3 Ceramic Materials-The Malice of the Object; 3.1 Definition of Ceramics; 3.2 Classification of Ceramic Materials
3.3 Classification of Ceramics According to Applications3.4 The Main Properties of Ceramic Bodies for Extrusion; 3.4.1 Plasticity; 3.4.2 Yield Point, Viscosity and What Mr. Bingham Has to Say; 3.4.3 Homogeneity; 3.4.4 Grain Size Distribution; 3.4.5 Wall Friction; 3.5 Conclusions; Bibliography; 4 A Little Bit of Theory; 4.1 What This Chapter Is About; 4.2 Basic Terminology; 4.3 Scenarios of Pressure Build-up in the Extruder; 4.3.1 Scenario 1: The Notorious "Backflow"; 4.3.2 Scenarios 2 and 3-"Backflow" Again, but for Other Reasons; 4.4 The Benbow-Bridgwater Equation
4.5 How to Calculate the Output of an Extruder4.6 Conclusions; Bibliography; 5 How to Determine an Extruder and Which Data Do We Need?; 5.1 The Decision Procedure and the Database; 5.2 The Decision Model; 5.3 About the Sense and Nonsense of Questionnaires; 5.4 Conclusions; Bibliography; 6 Plasticity or the Great Unknown; 6.1 What Does Plasticity Mean in Ceramics?; 6.2 The Two Plasticities; 6.3 How Do We Measure the Two Plasticities?; 6.4 Factors Determining Plasticity of a Ceramic Body; 6.5 Two Methods to Measure the Development of Plasticity
6.5.1 Good-Natured and Nasty Ceramic Bodies-the Consistency Curve6.5.2 Kneading Curve; 6.6 Plasticity or Consistency or Extrudability?; 6.7 Conclusions; Bibliography; 7 Mixing and Kneading; 7.1 Short Introduction; 7.2 Mixing; 7.3 Kneading; 7.4 Macro-mixing and Micro-mixing; 7.5 Buffer Systems or Dosing Strainers?; 7.6 The Ceramic Body as Dispersed Material System; 7.7 Conclusions; Bibliography; 8 Extrusion as a System; 8.1 What Do We Understand by a System?; 8.2 Components of a System; 8.3 Consequences; 8.4 Conclusions; Bibliography; 9 Laminations and Chaos
9.1 What Do We Understand by Laminations?9.2 Formation of Laminations; 9.2.1 The Pioneering Studies by BCRA; 9.2.2 Where Are Laminations Generated in Extrusion?; 9.3 Types of Laminations; 9.3.1 Flow Laminations; 9.3.2 Cutting Laminations; 9.3.3 Rotational Laminations; 9.3.4 Hub Laminations; 9.3.5 Laminations Caused by Insufficient De-airing; 9.3.6 Combined Laminations; 9.4 What Can Be Done?; 9.5 Conclusions; Bibliography; 10 About the Brave New World of Sensors and Control; 10.1 Introduction; 10.2 The Mechatronic Model
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This book is ideal for practitioners and managers with low experience in the field. It introduces the theme of extrusion in ceramics and provides checklists, questionnaires, as well as the related literature and websites covering the topic. This Brief is written in a simple language and covers topics such as honeycombs, ceramic filters, auger geometry, wear and tear.
Springer Nature
com.springer.onix.9783030052553
9783030052546
9783030052560
Ceramics-- Extrusion.
TECHNOLOGY & ENGINEERING-- Chemical & Biochemical.