## An experimental study of elastic losses in some high polymers |

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### Contents

Experimental Method and Its Theory | 15 |

Experimental Procedure | 30 |

Discussion of Results | 40 |

1 other sections not shown

### Common terms and phrases

amplitude applied Butadiene calibration clamped coil consider Cornell University cycle damping damping factor decreasing temperature decrement dielectric constant different length dipole displacement driving force elastic losses elastic modulus electric equation experimental frequency and temperature function of frequency given half width higher temperatures Hooke's law hysteresis loop hysteresis method linear linearly with frequency loss versus frequency lower temperatures material maxima maximum measure mobility modulus molecules natural rubber observed obtained oscillograph oscilloscope particles phase angle phase shifter photocell plotted points PRLA PRLC PRLE proportional quency range of frequencies reed relaxation phenomena relaxation theories representing resonance curve resonance frequency rise linearly room temperature slope solid straight line stress and strain stress-strain curve styrene substance synthetic rubbers thesis tion tures versus frequency curve vibration viscosity Young's modulus zero