UID:
almahu_9947359867902882
Format:
Online-Ressource
,
Online Ressource (258 S.)
Edition:
1. Aufl.
ISBN:
3110254611
Content:
Kaarlo Niskanen
Content:
This graduate level textbook focuses on the mechanical properties and performance of products made of fiber-based materials such as paper and board. The book aims to help students develop effective skills for solving problems of product performance and engineering challenges in new product development. Therefore the material is organized with a problem-based approach - a practical example of product performance is presented and then the relevant mechanics are analyzed to deduce which material properties control the performance
Note:
Description based upon print version of record
,
1 The challenge; 2 Paper as an engineering material; 2.1 Introduction; 2.2 Linear elasticity of paper; 2.2.1 Elastic constants; 2.2.2 Typical stiffness values for paper; 2.3 Stress-strain behavior of paper; 2.3.1 In-plane tensile loading; 2.3.2 Visco-elastic effects; 2.3.3 Other loading modes; 2.4 Multi-axial strength; 2.5 Mechanical properties in relation to the papermaking process; 2.5.1 Preparation of papermaking fibers; 2.5.2 Effect of the paper machine; Part I: Structural strength; 3 Packaging performance; 3.1 Introduction; 3.2 Paper-based packaging materials; 3.2.1 Corrugated board.
,
3.2.2 Box manufacturing process3.2.3 Carton board; 3.3 Loads imposed on boxes; 3.4. Strength of boxes; 3.4.1 Short-term compressive loading; 3.4.2 Empirical models for static box strength; 3.4.3 Finite element models; 3.4.4 Long-term loading; 3.5 Summary; 4 Behavior of corners in carton board boxes; 4.1 Introduction; 4.2 Folding of a multiply carton board; 4.3 Creasing; 4.4 Important material properties; 4.5 Final remarks; 5 Fracture properties; 5.1 Introduction; 5.2 Examples of practical applications of fracture mechanics; 5.2.1 Mode I failure under in-plane tension.
,
5.2.2 Out-of-plane delamination5.3 Crack tip modeling in paper materials; 5.3.1 Characteristic length scale and the basis of crack tip modeling; 5.3.2 Linear elastic fracture mechanics LEFM; 5.3.3 Nonlinear fracture mechanics using J-integral; 5.3.4 Cohesive zone models; 5.3.5 Continuum damage mechanics modeling of paper; 5.3.6 Delamination of paper materials; 5.4 Compressive failure; 5.5 Summary; Part II: Dynamic stability; 6 Web dynamics in paper transport systems; 6.1 Introduction; 6.2 Dynamics of web transport; 6.2.1 Basic formulation of web transport problems.
,
6.2.2 The case of an axially moving web6.2.3 Moving thread problem; 6.2.4 Fluttering of a two-dimensional web; 6.3 Concluding remarks; 7 Creep and relaxation; 7.1 Introduction; 7.2 Relaxation and creep as phenomena; 7.3 Modeling of time-dependence; 7.3.1 Linear behavior; 7.3.2 Nonlinearity; 7.3.3 Recoverability; 7.3.4 Time scales; 7.4 Creep and relaxation properties of paper; 7.4.1 Creep; 7.4.2 Stress relaxation; 7.4.3 Tensile versus compressive creep; 7.4.4 Effect of the papermaking process and furnish; 7.5 Moisture effects; 7.5.1 Softening with moisture; 7.5.2 Accelerated creep.
,
7.6 Prediction of box lifetime7.6.1 Creep response of a box; 7.6.2 Previous equations for box lifetime; 7.6.3 Derivation of a new equation for box lifetime; 7.6.4 Accounting for variability; 7.7 Summary; 8 Statistical aspects of failure of paper products; 8.1 Introduction; 8.2 Practical examples; 8.2.1 Web breaks in a printing press and on a paper machine; 8.2.2 Stacking performance of boxes; 8.3 Statistical approaches for failure in materials or systems; 8.3.1 The chain model; 8.3.2 The bundle model; 8.3.3 Time-dependent, statistical failure model; 8.4 Statistical failure of paper.
,
8.4.1 Strength distributions.
Additional Edition:
ISBN 3110254638
Additional Edition:
ISBN 9783110254631
Language:
English
Keywords:
Electronic books
DOI:
10.1515/9783110254631
URL:
http://www.degruyter.com/doi/book/10.1515/9783110254631
