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Durability of Industrial Composites




ISBN 9781138338296
Published October 24, 2018 by CRC Press
410 Pages 81 B/W Illustrations

 
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Book Description

Durability of Industrial Composites offers numerical and quantitative solutions to long-term composite failures that are useful to practicing engineers, researchers, and students. All modes of laminate long-term failure are contemplated, with resin toughness and environmental conditions considered. The book develops a simple unified equation to compute the load-dependent durability of laminates under the simultaneous action of cyclic and static loads. The load-independent durability and residual life of equipment immersed in corrosive chemicals are also discussed. The book presents a full discussion of the elusive strain-corrosion mode of failure as well as a complete solution to the durability issue of underground sanitation pipes. The currently accepted durability parameters of HDB, Sb and Sc are discarded as incorrect and replaced with the appropriate threshold parameters. The entirely new concept of the "anomalous failure" is fully discussed and solved. The effects of overpressure and spike strains, as well as of the operating temperature and moisture, are quantitatively evaluated and illustrated in numerical examples.

Table of Contents

Part 1: Computation of Total Strains. Chapter 1.  Ply Properties. Chapter 2.  Laminate Circularity. Chapter 3. Computing the Total Ply Strains. Chapter 4. Laminate Matrices. Chapter 5. Total Strains in ± 55 Laminates. Chapter 6. Total Strains in ± 70 Laminates. Chapter 7. Total Strains in Hoop-Chop Sanitation Pipes.  Part 2: Computation of Durability. Chapter 8:  the Eight Modes of Long-Term Failure.  Chapter 9: The Regression Equations. Chapter 10: Temperature, Moisture and Resin Toughness. Chapter 11: Service Life and the Corrosion Barrier. Chapter 12: Long-Term Fiber Rupture. Chapter 13: Infiltration, Weep and Stiffness Failures.  Chapter 14: Laminate Strain-Corrosion. Chapter 15:  Abrasion Life. Chapter 16: The Unified Equation. Chapter 17: The Interaction Parameter Gsc. Chapter 18: Numerical Computation of the Interaction Parameter Gsc. Chapter 19: The Unified Equation Applied to API 15HR. Chapter 20: Short-Term Strengths of ± 55 Oil Pipes. Chapter 21: Impermeable Pipes. Appendix: The Fatigue Mechanism.

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Author(s)

Biography

Antonio Carvalho Filho holds a degree in electrical engineering with working experience in business administration and space physics. Born in 1945, he has worked all of his professional life for top ranking companies in the composites industry, including 30 years with Owens Corning as technical and market development manager in Latin America, 13 years with Reichhold and Dion resins, and 4 years as consultant for Ashland and Derakane resins. His professional activities have centered mostly on technical issues (processes, materials, design, trouble shooting, etc.) involving composites in all markets and all manufacturing processes. He has written and published (in Portuguese) 5 books on topics as diverse as cure, post-cure, mold construction, painting, costing, mechanical properties, structural design, etc. on composites technology. He has also published several technical papers through SPI, ACMA, SAMPE, and others.