Acknowledgments We are indebted to many people who have contributed to and supported the three editions of this text.Seija Carlsson prepared the manuscript for the first edition.Rosemarie Chiucchi and Teresa Perez prepared the revised manuscript for this second edition,and Teresa Perez assisted the authors in the preparation of Chapters 2,9,10,12,and 14 for the third edition.We would also like to thank Touy Thiravong for help in clarifying many technical details related to testing and preparation of specimens;Dr.John W.Gillespie, Jr.,Dale W.Wilson,and William A.Dick for reviewing the manuscript for the first edition;and Dr.Anthony Smiley,Dr.William Sanford,and Rod Don, who shared their knowledge of processing of thermoplastic and thermoset composites.We acknowledge Dr.Pascal Hubert,Prof.Anoush Poursartip, and his research students at the University of British Columbia for their contributions to Chapter 3 of the third edition. We would also like to thank the late Woody Snyder,who supplied many of the photographs in this book.Thanks are due to Judy Joos,Mark Deshon, Shawn Pennell,Sherri VonHartman,and Jeffrey Weinraub for the artwork. Dr.James R.Reeder of the National Aeronautics and Space Administration (NASA)Langley Research Center kindly supplied information on the mixed- mode bending (MMB)test.Dr.Shaw Ming Lee of Hexcel Corporation provided much useful information on the edge crack torsion(ECT)specimen, and Prof.Barry Davidson of Syracuse University shared many of his papers on the four-point bend end-notched flexure(4ENF)specimen.Dr.Xiaoming Li of University of Tennessee provided test data generated on the ECT specimen.Students who scrutinized parts of the text and suggested improve- ments were Robert Rothschilds,Bruce Trethewey,Gary Becht,Ellen Brady, and James Newill.Finally,we thank the many students for providing the test results presented in numerous graphs throughout all three editions of the text.Of those,we single out Robert Jurf,Thomas Chapman,David Adkins,Richard Givler,Robert Wetherhold,Richard Walsh,Nicolass Ballityn, Bruce Yost,James York,Yong-Zhen Chen,Uday Kashalikar,and Mark Cirino. ©2003 by CRC Press LLCAcknowledgments We are indebted to many people who have contributed to and supported the three editions of this text. Seija Carlsson prepared the manuscript for the first edition. Rosemarie Chiucchi and Teresa Perez prepared the revised manuscript for this second edition, and Teresa Perez assisted the authors in the preparation of Chapters 2, 9, 10, 12, and 14 for the third edition. We would also like to thank Touy Thiravong for help in clarifying many technical details related to testing and preparation of specimens; Dr. John W. Gillespie, Jr., Dale W. Wilson, and William A. Dick for reviewing the manuscript for the first edition; and Dr. Anthony Smiley, Dr. William Sanford, and Rod Don, who shared their knowledge of processing of thermoplastic and thermoset composites. We acknowledge Dr. Pascal Hubert, Prof. Anoush Poursartip, and his research students at the University of British Columbia for their contributions to Chapter 3 of the third edition. We would also like to thank the late Woody Snyder, who supplied many of the photographs in this book. Thanks are due to Judy Joos, Mark Deshon, Shawn Pennell, Sherri VonHartman, and Jeffrey Weinraub for the artwork. Dr. James R. Reeder of the National Aeronautics and Space Administration (NASA) Langley Research Center kindly supplied information on the mixed￾mode bending (MMB) test. Dr. Shaw Ming Lee of Hexcel Corporation provided much useful information on the edge crack torsion (ECT) specimen, and Prof. Barry Davidson of Syracuse University shared many of his papers on the four-point bend end-notched flexure (4ENF) specimen. Dr. Xiaoming Li of University of Tennessee provided test data generated on the ECT specimen. Students who scrutinized parts of the text and suggested improve￾ments were Robert Rothschilds, Bruce Trethewey, Gary Becht, Ellen Brady, and James Newill. Finally, we thank the many students for providing the test results presented in numerous graphs throughout all three editions of the text. Of those, we single out Robert Jurf, Thomas Chapman, David Adkins, Richard Givler, Robert Wetherhold, Richard Walsh, Nicolass Ballityn, Bruce Yost, James York, Yong-Zhen Chen, Uday Kashalikar, and Mark Cirino. TX001_FM_Frame Page 9 Tuesday, September 24, 2002 11:20 AM © 2003 by CRC Press LLC