Elastic and Creep Properties of Filamentous Materials and Other High Polymers |
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Page 55
... given by : Pa pa [ 8t1 + ß { ( 1 − e − t / ~ ) − ( 1 − e− ( t - t1 ) / ~ ) } ] · − ( 49 ) The The residual deformation thus consists of a permanent set given by the Pay to term corresponding to the previous steady viscous flow of ...
... given by : Pa pa [ 8t1 + ß { ( 1 − e − t / ~ ) − ( 1 − e− ( t - t1 ) / ~ ) } ] · − ( 49 ) The The residual deformation thus consists of a permanent set given by the Pay to term corresponding to the previous steady viscous flow of ...
Page 63
... given in general by Eq . 57 where ẞ is connected with ẞ of Eq . 70 by means of the relation in Eq . 65. The normalized creep function ( t ) consists of the sum of a number of weighted exponential terms equal to the number of Maxwell ...
... given in general by Eq . 57 where ẞ is connected with ẞ of Eq . 70 by means of the relation in Eq . 65. The normalized creep function ( t ) consists of the sum of a number of weighted exponential terms equal to the number of Maxwell ...
Page 76
... given temperature a certain probability that a particular molecule will possess a kinetic energy in excess of the potential energy of the bonds holding it in place . Hence in a given interval of time a definite proportion of the molecules ...
... given temperature a certain probability that a particular molecule will possess a kinetic energy in excess of the potential energy of the bonds holding it in place . Hence in a given interval of time a definite proportion of the molecules ...
Contents
PRIMARY CREEP AND THE SUPERPOSITION PRINCIPLE | 1 |
The Superposition Principle of Boltzmann | 20 |
Experimental Tests of the Superposition Principle | 29 |
Copyright | |
15 other sections not shown
Common terms and phrases
Acetate Filament application of load applied at zero bakelite balance arm Boltzmann carried cathetometer scale reading computed constant load corresponding creep and creep creep and recovery creep behavior creep function creep recovery creep test creep under constant curves for creep energy of activation fibers filamentous materials following long-duration creep given grams per denier high polymers inch instantaneous deformation investigation Kohlrausch large loads load application load removal logarithmic logarithmic scale Long-Duration Tests Maxwell units micelles mins minutes model of Fig nylon filament Nylon II Filament observed obtained Physik plotted primary creep rayon rayon filament recovery behavior recovery test Relative Delayed Deformation relative humidity relaxation removal of load residual deformation Scale Factor secondary bonds series of tests shown in Fig Silk Filament small loads specimen standard conditions stress Superposition Principle superposition test Table test Test tests of Series textile theory tion Total total-deformation curves typical tests Viscose I Filament yarn