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- Article name
- ACCURACY ESTIMATION OF PARAMETERS FINDING OF THE LAW OF PITTING GROWTH ON THE BASIS OF THE DISPERSIVE APPROACH
- Authors
- Ryzhakov V. V., , rvv@pgta.ru, The Penza State Technological Academy, Penza, Russia
Ryzhakov M. V., , mryzhakov@applmech.mipt.ru, The Moscow Institute of Physics and Technology (State University), Moscow region, Dolgoprudny, Russia
Rudjuk M. J. , , , Penza State Technological Academy, Penza, Russia
- Keywords
- pitting / a partial derivative / a method traditional / a method coulometric / sensitivity / a dispersion
- Year
- 2011 Issue 1 Pages 11 - 16
- Code EDN
- Code DOI
- Abstract
- The analysis of accuracy of two methods of parameters estimation of the power law of pitting growth: on the basis of depth measurement by a method of double focusing and by means of processing dependences of a anode current from a time was executed. The mathematical apparatus of the dispersive analysis was used. Necessary sensitivity for calculation (partial derivative) were evaluated both analytical, and approximate methods. It has been established, that the method on the basis of coulometric way is more effective and possesses a smaller dispersion in comparison with traditional way.
- Text
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