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Conference held May 1986 in Charleston, South Carolina. Twenty-seven papers represent the following areas; analysis; impact and compression; materials characterization; failure mechanisms; nondestructive evaluation; filament wound and woven composites. Annotation copyrighted by Book News, Inc., Portland, OR.
References Liquid-metal strain gages can be fabricated in either single- or delta-rosette configurations. Their main advantages are their low stiffness (essential for 1. Beatty, M.F. and Chewning, S. W., "Numerical Analysis of the Reinforcement Effect of a Strain Gage Applied to a Soft use on composites with soft, elastomeric matrices) Material," Int. J. Eng. Sci., 17, 907-915 (1979). and high elongation (at least 50 percent). Their prin 2. Pugin, V.A., "Electrical Strain Gauges for Measuring Large cipal disadvantages are a short shelf life and a Deformations," Soviet Rubber Industry, 19 (1), 23-26 (1960). nonlinear calibration curve. 3. Janssen, M.L. and Walter, J.D., "Rubber Strain Measurements in Bias, Belted Bias and Radial Ply Tires," J. Coated Fibrous Mat., 1, 102-117 (1971). 4. Patel, H.P., Turner, J.L., and Walter, J.D., "Radial Tire Cord-Rubber Composite," Rubber Chem. and Tech., 49, Acknowledgments 1095-1110 (1976). 5. Stone, J.E., Madsen, N.H., Milton, J.L., Swinson, W.F., and Turner, J.L., "Developments in the Design and Use of Liquid-Metal Strain Gages," EXPERIMENTAL MECHANICS, 23, The author acknowledges helpful suggestions by 129-139 (1983). Dr. Joseph D. Walter of Firestone Central Research 6. Whitney, R.J., "The Measurement of Volume Changes in Human Limbs, " J. Physiology, 121, 1-27 (1953).
This book provides the first comprehensive review of its kind on the long-term behaviour of composite materials and structures subjected to time variable mechanical, thermal, and chemical influences, a subject of critical importance to the design, development, and certification of high performance engineering structures. Specific topics examined include damage, damage characterization, and damage mechanics; fatigue testing and evaluation; fatigue behaviour of short and long fibre reinforced polymer and metal matrix materials; viscoelastic and moisture effects; delamination; statistical considerations; the modeling of cumulative damage development; and life prediction. The volume provides an extensive presentation of data, discussions, and comparisons on the behaviour of the major types of material systems in current use, as well as extensive analysis and modeling (including the first presentation of work not found elsewhere). The book will be of special interest to engineers concerned with reliability, maintainability, safety, certification, and damage tolerance; to materials developers concerned with making materials for long-term service, especially under severe loads and environments, and to lecturers, students, and researchers involved in material system design, performance, solid mechanics, fatigue, durability, and composite materials. The scope of the work extends from entry level material to the frontiers of the subject.
This volume is concerned with the structural and physical properties of important classes of composite and ceramic materials of engineering importance, covering synthesis of the materials by casting and solidification routes.
Annotation "Structural Dynamics in Aeronautical Engineering is a comprehensive introduction to the modern methods of dynamic analysis of aeronautical structures. The text represents carefully developed course materials, beginning with an introductory chapter on matrix algebra and methods for numerical computations, followed by a series of chapters discussing specific aeronautical applications. In this way, the student can be guided from the simple concept of a single-degree-of-freedom structural system to the more complex multidegree-of-freedom and continuous systems, including random vibrations, nonlinear systems, and aeroelastic phenomena. Among the various examples used in the text, the chapter on aeroelasticity of flight vehicles is particularly noteworthy with its clear presentation of the phenomena and its mathematical formulation for structural and aerodynamic loads.