000			03514 a2200157 4500
020			_a9781561583584
082			_a745.51 _bHOA
100			_aHoadley, Bruce R _994333
245			_aUnderstanding wood : a craftsman's guide to wood technology
260			_bTaunton Press _c2000
300			_aviii,280p.
505			_aContents Preface 3 Foreword 4 PART ONE : THE NATURE OF WOOD AND ITS PROPERTIES 1 The Nature of Wood 6 Growth rings 10 Grain 10 Sapwood and heartwood 11 Structural arrangement of growth rings and rays 12 Density and specific gravity 14 Systematic classification 16 Cellular structure 17 Softwoods 18 Hardwoods 20 2 Figure in Wood 24 Knots 32 Abnormal wood 36 Fungi 40 Insect damage 44 3 Wood Identification 46 What to look for 50 Physical properties 52 Identification techniques 52 Macrophotographs 55 4 Strength of Wood 74 Compression parallel to the grain 78 Compression perpendicular to the grain 80 Tension perpendicular to the grain 83 Tension parallel to the grain 84 Shear perpendicular to the grain 85 Shear parallel to the grain 85 Bending theory 87 The carrying capacity and stiffness of beams 90 Factors affecting strength properties 94 Compression failures and brashness 99 Structural grades 100 5 Other Properties of Wood 102 Thermal conductivity 103 Effect of temperature on wood 104 Burning of wood 104 Fluorescence 105 Psychological properties 107 6 Water and Wood 110 Free water and bound water 112 Equilibrium moisture content 112 Green vs. air-dried vs. kiln-dried 114 Dimensional change in wood 116 Estimating shrinkage and swelling 118 Uneven shrinkage and swelling 123 PART TWO : BASICS OF WOOD TECHNOLOGY 7 Coping with Dimensional Change in Wood 132 Preshrinking 133 Control of moisture sorption 133 Mechanical restraint 134 Chemical stabilization 136 Design 139 Monitoring moisture 141 The moisture "widget" 145 8 Drying Wood 146 How wood dries 148 The dry kiln 149 Drying your own wood 151 Storing lumber 156 9 Machining and Bending Wood 158 Machining wood 159 Bending solid wood 177 10 Joining Wood 180 The elements of joints 181 Basic types of joints 183 Worked joints 183 Fastened joints 188 11 Adhesives and Gluing 192 Adhesive joints 193 Gluing fundamentals 194 12 Finishing and Protecting Wood 198 Surface condition 199 No treatment 202 Coating treatments 205 Penetrating finishes 206 Combinations and compromise 207 Slowing moisture exchange 207 Evaluation of finished surfaces 209 Preservative treatment of wood 209 PART THREE : THE WOODWORKER:S RAW MATERIALS 13 Lumber 212 Lumber measure 216 Lumber classification and grading 218 14 Veneer and Plywood 224 Plywood 229 Classes of plywood 230 15 Composite Panels 234 Particleboard 235 Wafer- and strand-based panels 236 Fiber-based panels 236 16 Engineered Wood 240 Finger-jointed lumber 241 Glulam 242 Structural composite lumber 243 I-joists 244 17 Finding Wood 246 Trees 247 Recycling used wood 249 Local sawmills 250 Lumberyards 251 The woodworkers' retail outlets 252 Industrial arts teachers 253 Magazines 253 Specialty woods 253 The Yellow Pages and other listings 253 Internet 253 Lumbermen 253 Afterword: Forests past and future 254 Appendix 1: Commercial names for lumber 257 Appendix 2: Finding the specific gravity of wood 260 Glossary 262 Bibliography 272 Index 275
890			_aIndia
891			_aFD
942			_2ddc
999			_c71874 _d71874