Редколлегия Физикохимия Поверхности и Защита Материалов - - Том 43

Результаты 11 - 13 из 13

11.

Effect of the Milling Conditions for Nanocrystalline Iron Powders on Their Corrosion Behavior in Neutral Electrolytes

S. F. Lomayeva^a, A. V. Syugaev^a, S. M. Reshetnikov^b, A. S. Shuravin^b, O. M. Nemtsova^a, and V. V. Aksenova^a

^aPhysicotechnical Institute, Ural Division, Russian Academy of Sciences,
ul. Kirova 132, Izhevsk, 426000 Russia

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^b Udmurt State University, ul. Universitetskaya 1, Izhevsk, 426034 Russia

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Received May 26, 2006

Abstract — The corrosion behavior of nanocrystalline iron powders obtained by milling in oxygen-containing organic media (isopropyl alcohol, acetic acid, oleic acid, and its solutions in heptane) was studied. The high corrosion resistances of iron powders obtained by mechanoactivation in oleic acid were associated with a protective surface layer formed by iron oxide and chemisorbed oleic acid or products of its partial degradation. Nanocrystalline iron-based systems that contain oxide phases without forming protective layers were less resistant to corrosion

PACS numbers: 82.45.Yz; 82.45.Bb

DOI: 10.1134/S0033173207020129

09/09/2008 | 1106 Посещения | Печать

12.

Environmental and Inherent Factors That Affect Hydrogen Cathodic Evolution on Silicides of the Iron Family Metals

V. S. Povroznik and A. B. Shein

Perm State University, ul. Bukireva 15, Perm, 614990 Russia

Received October 12, 2005

Abstract — Scientifically proven search for new electrode materials with different functions is an actual problem of applied electrochemistry. Promising are intermetallic and metal-like compounds of various composition, a lot of which exhibits extremely high corrosion resistance and low hydrogen overpotential.

PACS numbers: 82.47.Wx, 82.45.Fk

DOI: 10.1134/S0033173207020130

09/09/2008 | 1094 Посещения | Печать

13.

Use of Braking Radiation Induced by the ¹⁴⁷Pm -Particles in the Evaluation of Heat Resistance of Aluminum Coatings Assisted by Shot-Blasting

V. I. Bochenin

Kurgan State University, ul. Gogolya 25, Kurgan, 640669 Russia

Received September 18, 2005

Abstract — A nondestructive method of monitoring the heat resistance of aluminum coating deposited onto substrate subjected to shot-blasting is suggested. Its physical essence is based on the evaluation of the coating weight by using radionuclide parameters. The method was applied to the evaluation of heat resistance of turbine vanes. The industrial inspection allows evaluating the coating quality at accuracy of gravimetry.

PACS numbers: 81.15.-z, 81.15.Cd

DOI: 10.1134/S0033173207020142

09/09/2008 | 1167 Посещения | Печать

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