لایب سان

III. Stress or Strain Amplitude Effects 1S4 IV. Thermal History 137 V. Effect of MokcLil.ir Weight l& VI. Effect of Cross-linking 1*7 VII. Effects of Crystallinity and Morphology H5 Vin. Effects of Plasticizcrs and Copolymerization 181 IX. Effect of Molecular Orientation 188 X. Effect of Strength of Intcrmolccular Forced 194 XL Polyblends, Block, and# Graft Polymers m XH. Secondary Damping Peaks ' 282 Summary 212 Problems 3§ | Reference ^ Stress-Strain Behavior and Strength 3353 I. Stress-Strain Tests $3$ A. Introduction ^ § B. Models Hg$ C. T'orm of the stress—strain curve; Multiaxial response |36 D. Comprcssioii and shear versus tensile tests: Rigid polymers 249 E. Effect of temperature 253 F. Rale of testing and the failure envelope 256 G. Effect of hydrostatic pressure 2t?3 H. Effect of molecular weight and branching 265 I. Effect of cross-linking 268 J. Relationships and inlcraclJQrtS 277 K. Effect of erysNsllinity 280 U. Hffects of ptusticizHtion and cbpotynteri^ifbti 283 M. Molecular orientation 285 N. Polyblends, block, and graft polymers 292 IJ. Brittle Fracture and Stress Concentrators 295 A. Stress concentrators 295 B. Fracture theory 297 IK. Theories of Yielding and Cold- Drawing 299 IV. Impact Strength and Tearing 307 A. Nature of impact tesfs 307 B. Effect of notched 308 C. Effects of temperature 310 D. Effects of orientation 313: E. Other factors effecting impacr stren|th HI Contents F. Impact strength of poly blends G. Tearing Summary Problems References 6. Other Mechanical Properties I. Heat Distortion Temperature II. Fatigue "* III. Friction IV. Abrasion, Wear, and Scratch ResistanceV. Hardness and Indentation Tests VI. Stress Cracking and Crazing in Fluids Summary Problems References % Particulate-Filled Polymers I. Introduction to Composite Systems II. Rheology of Suspensions III. Relation between Viscosity and Shear Modulus IV. Modulii of Filled Polymers A- Regular systems B. Inverted systems and phase inversion C. Errors in composite moduli D. Experimental examples V, Strength and Stress^Strain Behavior A. Rigid fillers B. Polyblends, block polymers, and foams VI. Creep and Stress Relaxation VII. Dynamic Mechanical Properties VIII. Other Mechanical Properties A. Impact strength 8. Heat distortion temperature C. Hardness, wear, and fatigue life D. Coefficients of thermal expansion IX. Composites with Thick Interlayers X- Syntactic Foums XI. Structural Foams Summary Contents Xltl Problems 447 References 450 8. Fiber-Filled Composites and Other Composites 461 I. Inlroduction 461 II. Moduli of l-ther-Filled Composites 463 III. Strength of Fiber-Filled Composites 471 A. Uniaxialty oriented fibers :i 472 B. Strength of randomly oriented fiber composites and laminates 479 IV. Other Properties 4S3 A. Creep ; 483 B. Fatigue 485 C. Heat distortion tejnperaturp 486 D. Impact strength 488 E. Acoustic emission 491 F. Dynamic mechanical properties 491 G. Coefficients of thermal expansion 492 V. Ribbon-Filled Composites 49S VI. Other Types of Composites #$ A. Flake-filled polymers <#§ B. Composites with thick interlayers 500 C. Interpenetrating network composites Summary Problems References S0S Appendixes 515 I. Chemical Structure of Common Polymers 516 II. Conversion Factors for Moduli, Stress, and Viscosity 519 III. Glass Transition Temperatures and Melting Points of Polymers 520 IV. Relations Between Engineering Moduli and

برای ارسال نظر لطفا وارد شوید یا ثبت نام کنید