Mechanical properties of wood and paper:
Gespeichert in:
| Hauptverfasser: | , , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Amsterdam
North-Holland Publ.Comp.
1953
|
| Schriftenreihe: | Deformation and flow.
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XII,298 S.m.Abb.u.Tab.,1 gef.Taf. |
Internformat
MARC
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| 245 | 1 | 0 | |a Mechanical properties of wood and paper |c Wilfred Watson Barkas ; Roy F. Hearmon ; H. F. Rance. Hrsg. von Reginald Meredith* |
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Datensatz im Suchindex
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|---|---|
| adam_text | MECHANICAL PROPERTIES
OF
WOOD AND PAPER
BY
W W BARKAS RFS HEARMON
Reader in Paper-making Technology,
Uniwrsity of Manchester
Officer—in-Charge, Physics Sectio? t
Forest Products Research Laboratory
a x n
H F RANCE
Director of Research,
Wiggins Teape Group Research Organisation
BDITED BY
R MEREDITH
Senior Lecturer, Faculty of Technology,
University of Manchester
NORTH-HOLLAND PUBLISHING COMPANY
AMSTERDAM
CONTENTS
Page
EDITOR S PREFACE
SYMBOLS AND ABBREVIATIONS
Part A THE MECHANICAL PROPERTIES OF WOOD AND THEIR
RELATION TO MOISTURE
AUTHOR’S PREFACE
CHAPTER I INTRODUCTION
0 Historical 3
1 Theory ami Measurement of Elasticity of Wood G
2 Cels and Swelling Stresses 7
3 Anatomical and Molecular Structure 9
/ Development of the Wood 10
3 The Model Cell 14
G Cell Wall Constitution 13
CHAPTER 11 ELASTIC AND PLASTIC PROPERTIES
1 Symmetry
2 Influences affecting the Elastic Properties of Wood
3 Plywood
/ Wood in Vibration
J Plasticity of Wood
G Stiength Properties
CHAPTER 1 LI HYGROSCOPICITY, SWELLING AND SHRINKING
1 Importance of Moisture in Wood
2 Modes of Retention of Water
3 Shrinkage and Swelling
CHAPTER I V OSMOTIC PRESSURE AND SWELLING STRESSES
1 The Gel TV
2 Osmotic Pressure 30
3 The Osmotic Pressure Diagram GG
4 The Bulk Modulus GO
3 Swelling Stresses and the Elastic Gel Diagram 71
G Elastic Constants from the Gel Diagram 7G
4,S
VUI CONTI ; NTS
Page
7 Elasticity of the Model Cell
S “Collapse” in Wood
CHAPTER V PLASTIC SWELLING amp; SORPTION HYSTERESIS
I Irreversibility of Swelling 87
2 Simplifying Assumptions 89
3 The Plastic Cel Diagram 90
4 The Hysteresis Model 92
J The Cel Hysteresis Diagram 9)
6 Identity of Mechanical and Sorption Hysteresis 97
Part B THE MECHANICAL PROPERTIES OF PAPER
AUTHOR’S PREFACE 101
CH APTER 1 THE PAPER-MAKING PROCESS FROM A RHEO
LOGICAL STANDPOINT
0 Introduction 103
1 Fibrous Raw Materials 104
2 Beating 107
3 Pulp Sizing and Loading 108
4 Web-formation on the Wire-cloth 109
■j The Press Sections 113
0 The Drying Section 113
7 After-treatment of the Paper-web 110
8 General Comments on the Rheological Significance of Paper-making
Variables 117
CHAPTER II CONVENTIONAL AND ARBITRARY MECHANI
CAL TESTING OF PAPER
0 Introduction 120
1 Tensile-break Tests 121
2 Burst Tests 122
3 Tear Tests 124
4 Folding-endurance bests 120
J Rigidity, Hardness, Softness, Stiffness and Brittleness Tests 128
0 Relations between the Conventional rests 133
CHA PTE R 111 HYGROSENSITIVITY OF PAPER IN RELATION
TO ITS RHEOLOGY
0 Introduction: Rheology in Paper-production 130
1 Effects of Manufacturing Variables on Hygrosensit ivity 138
2 Testing Procedure 148
3 Effect of Hygrosensitivity on Mechanical Testing 149
4 Relation between Hygrosensitivity and Mechanical Characteristics 131
Pago
CHAPTER TV TENSILE STUDIES ON PAPER
0 Introduction 108
1 Early Rheological Work 108
2 Swedish Rheological Work Hi2
3 Influence of Rate of Straining 104
4 Mechanical Conditioning of Paper 107
0 Interpretation and Analysis of Tensile Stress-strain Curves 107
0 Further Studies in Mechanical Conditioning 170
7 The Viscosity of Paper 178
CHAPTER V INTERPRETATION OF RHEOLOOTCAL BEHAV
IOUR
0 Introduction LSI
1 Is the Concept of Viscosity Necessary? 181
2 An alternative Interpretation: Fracture, Bond-breaking amp; Friction 184
CHAPTER VI EFFECT OF STRUCTURE ON RHEOLOOTCAL
BEHAVIOUR
0 Introduction 201
1 Stress and Strain Distribution 201
2 Need for Statistical Analysis 204
3 Computation of Stress and Strain 200
4 Micro-creping 200
0 Dilatancy 20 7
0 Effect of Strain Hardening and Relaxation upon Breaking Load and
Breaking Strain 209
7 Effect of Beating 212
8 Mathematical Considerations of Structure 221
CHAPTER VII ANALOGIES WITH THE BEHAVIOUR OF
OTHER MATERIALS
0 Introduction 224
1 Analogous Behaviour of Cellulose Acetate 220
2 ,, ,, ,, Metals 220
3 „ „ Wool 233
CH APTEH V I 11 COMPRESSIBILITY, SOFTNESS AND FOLDING
ENDURANCE
0 Introduction 238
1 Compression Studies arising from Considerations of Empirical Testing
Methods 239
2 Compressibility of Newsprint 242
3 Compressibility in Printing 240
I Softness 240
0 Folding Endurance 249
X CONTENTS
CHA PTE KIX IX ST R UM EXTAT FOX
0 Introduction 204
1 Rejto’s ‘‘Paper Testing Machine” 200
2STFI Autographic Tensile Instrument” 208
3STFT Impact- Tester” 202
4WTR ‘‘Autographic Extensoineter” 200
0 Future Instrumentation 207
CHAPTER X SOME PRACTICAL APPLICATIONS AND PRAC
TICAL CONSIDERATIONS
0 Introduction 209
1 Practical Importance of Stress Relaxation 270
,, ,, ,, Permanent Set 271
3 ,, ,, ,, Hygrosensitivity 273
l ,, ,, ,, Anisotropy 274
0 Production Problems 27 o
0 Control Testing Problems 277
7 Usage Problems 280
BIBLIOGRAPHY 282
Page
|
| any_adam_object | 1 |
| author | Barkas, Wilfred W. Hearmon, Roy F. Rance, H. F. |
| author_facet | Barkas, Wilfred W. Hearmon, Roy F. Rance, H. F. |
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| building | Verbundindex |
| bvnumber | BV007098694 |
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| dewey-full | 620.12 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 620 - Engineering and allied operations |
| dewey-raw | 620.12 |
| dewey-search | 620.12 |
| dewey-sort | 3620.12 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Physik |
| format | Book |
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| genre | Mechanisches Vermögen gnd |
| genre_facet | Mechanisches Vermögen |
| id | DE-604.BV007098694 |
| illustrated | Not Illustrated |
| indexdate | 2024-07-09T16:55:31Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-004517572 |
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| physical | XII,298 S.m.Abb.u.Tab.,1 gef.Taf. |
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| publishDate | 1953 |
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| publisher | North-Holland Publ.Comp. |
| record_format | marc |
| series2 | Deformation and flow. |
| spelling | Barkas, Wilfred W. Verfasser aut Mechanical properties of wood and paper Wilfred Watson Barkas ; Roy F. Hearmon ; H. F. Rance. Hrsg. von Reginald Meredith* Amsterdam North-Holland Publ.Comp. 1953 XII,298 S.m.Abb.u.Tab.,1 gef.Taf. txt rdacontent n rdamedia nc rdacarrier Deformation and flow. Bois - Propriétés mécaniques ram Papier - Propriétés mécaniques ram Paper Rheology Wood Wald (DE-588)4064354-2 gnd rswk-swf Papier (DE-588)4044522-7 gnd rswk-swf Mechanisches Vermögen gnd rswk-swf Wald (DE-588)4064354-2 s Mechanisches Vermögen f DE-604 Papier (DE-588)4044522-7 s Hearmon, Roy F. Verfasser aut Rance, H. F. Verfasser aut Meredith, Reginald Sonstige oth HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=004517572&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Barkas, Wilfred W. Hearmon, Roy F. Rance, H. F. Mechanical properties of wood and paper Bois - Propriétés mécaniques ram Papier - Propriétés mécaniques ram Paper Rheology Wood Wald (DE-588)4064354-2 gnd Papier (DE-588)4044522-7 gnd |
| subject_GND | (DE-588)4064354-2 (DE-588)4044522-7 |
| title | Mechanical properties of wood and paper |
| title_auth | Mechanical properties of wood and paper |
| title_exact_search | Mechanical properties of wood and paper |
| title_full | Mechanical properties of wood and paper Wilfred Watson Barkas ; Roy F. Hearmon ; H. F. Rance. Hrsg. von Reginald Meredith* |
| title_fullStr | Mechanical properties of wood and paper Wilfred Watson Barkas ; Roy F. Hearmon ; H. F. Rance. Hrsg. von Reginald Meredith* |
| title_full_unstemmed | Mechanical properties of wood and paper Wilfred Watson Barkas ; Roy F. Hearmon ; H. F. Rance. Hrsg. von Reginald Meredith* |
| title_short | Mechanical properties of wood and paper |
| title_sort | mechanical properties of wood and paper |
| topic | Bois - Propriétés mécaniques ram Papier - Propriétés mécaniques ram Paper Rheology Wood Wald (DE-588)4064354-2 gnd Papier (DE-588)4044522-7 gnd |
| topic_facet | Bois - Propriétés mécaniques Papier - Propriétés mécaniques Paper Rheology Wood Wald Papier Mechanisches Vermögen |
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