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Internal friction in silver solid solutions

โœ Scribed by T.J. Turner; G.P. Williams Jr.


Publisher
Elsevier Science
Year
1962
Weight
689 KB
Volume
10
Category
Article
ISSN
0001-6160

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โœฆ Synopsis


Zener relaxation studies have heen made on three silver solid solutions with a torsion pendulum and an elastic-after-effect apparatus. over the range of temperatures studied an Arrhenius equation describes the results. An Arrhenius plot yields for 32% Cd in Ag tr = lo-16.6se~p (~~$oo/RT); for 44% Au in Agt, = 10-'6*5" exp (44,2OO/RT); and for 68% Au in Ag t,. = lo-16.28 exp (42,3W/RT). For each concentration the relaxation time t,. is compared with t the mean time of stay obtained from diffusion measurements of other investigators.

In each case the relaxation time is clearly associated with the extrapolated mean time of stay of the faster moving component. Over the temperature range studied the constant relating these times is aPPrnXin'IatelY unity.

Grain boundary relaxation was studied in the system 42% Au in Ag. The relaxation process can be described by tr = 10-14,0 exp (49,3OO/RT).


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