Results 211 to 220 of about 66,706 (267)
Some of the next articles are maybe not open access.
Corrosion and Protection of Metals: I. The Origin and Rate of Corrosion
Transactions of the IMF, 1993SUMMARYCorrosion processes are seen to take place in an energy-dissipating electrochemical cell. The thermodynamics of aqueous corrosion are considered and the importance of both anodic and cathodic processes is highlighted. The rate of a uniform corrosion process is expressed in both S.I. and practical units.
F. Walsh, G Ottewill, D. Barker
openaire +1 more source
Influence of Corrosion Inhibitor on Marine Concrete Corrosion Rate
Advanced Materials Research, 2012Corrosion inhibitor have a significant influence on corrosion rate of marine concrete. In this paper, linear polarization method is used in reinforced concrete that under marine environment, and reinforced concrete is mixed with corrosion inhibitor. The results show that: corrosion inhibitor has a little influence on the basic mechanical properties of ...
Xian Ming Qin +3 more
openaire +1 more source
Aluminium corrosion studies. II. Corrosion rates in water
Australian Journal of Chemistry, 1977The corrosion rate of aluminium in flowing neutral waters at 50°C has been determined as a function of pH, oxygen concentration and chloride concentration. The corrosion rate, At, as total aluminium lost between the 4th and 80th day was observed to be logarithmic according to At = B log t+C with a minimum rate in the pH range 5-6, and with B c.
A Berzins, JV Evans, RT Lowson
openaire +1 more source
Corrosion, 1992
The principles of the various corrosion rate-measuring instruments (3LP, Nippon Steel Company, and GECOR devices) are presented. The corrosion rate determined by these devices is compared with that obtained by standard electrochemical and nonelectrochemical corrosion rate-measuring methods.
A. Sehgal +3 more
openaire +1 more source
The principles of the various corrosion rate-measuring instruments (3LP, Nippon Steel Company, and GECOR devices) are presented. The corrosion rate determined by these devices is compared with that obtained by standard electrochemical and nonelectrochemical corrosion rate-measuring methods.
A. Sehgal +3 more
openaire +1 more source
Materials and Structures, 2008
Earlier on-site investigations and laboratory studies have shown that varying corrosion rates are obtained when different commercially available instruments are used. The different confinement techniques, rather than the different electrochemical techniques used in the instruments, are considered to be the main reason for the discrepancies.
NYGAARD P, GEIKER M, ELSENER, BERNHARD
openaire +2 more sources
Earlier on-site investigations and laboratory studies have shown that varying corrosion rates are obtained when different commercially available instruments are used. The different confinement techniques, rather than the different electrochemical techniques used in the instruments, are considered to be the main reason for the discrepancies.
NYGAARD P, GEIKER M, ELSENER, BERNHARD
openaire +2 more sources
Corrosion rate of titanium in H2SO4
Materials Chemistry and Physics, 1997Abstract The corrosion rates of titanium in 1–4 M H 2 SO 4 at temperatures of 298, 313 and 333 K were measured. It was found that etching in 5% HF strongly decreases the time for the passive-active transition (self-activation) of titanium in H 2 SO 4 and it was therefore used as an initial pretreatment for all samples.
J. Krýsa, R. Mráz, I. Roušar
openaire +1 more source
2005
Abstract This article contains a corrosion rate conversion table, and a figure, that illustrate relationships among some of the units commonly used for corrosion rates of metals.
openaire +1 more source
Abstract This article contains a corrosion rate conversion table, and a figure, that illustrate relationships among some of the units commonly used for corrosion rates of metals.
openaire +1 more source
Instantaneous corrosion rate measurement
Corrosion Science, 1977Abstract A study of the limitations of the transient technique for measuring corrosion rates was made. For this purpose a galvanostat was built with an incorporated interrupter mechanism. The constant current was interrupted at a preselected frequency and the resulting discharge and charging curves of voltage against time displayed on an oscilloscope.
F.G.E. Beetge, F.P.A. Robinson
openaire +1 more source
Corrosion rates of steel in concrete
Cement and Concrete Research, 1986Abstract This paper critically examines DC and AC electrochemical techniques as used to determine the rate of corrosion of steel in concrete. Experimental evidence is presented to show that film resistance and mass transport can be factors determining the rate of corrosion and rates calculated from DC polarization resistance values can be in error ...
Brian B. Hope +2 more
openaire +1 more source
Predicting Corrosion Rates with the Potentiostat
Corrosion, 1972Most corrosion processes are electrochemical in nature, and in recent years increasing emphasis has been placed on electrochemical test methods. This report describes a new technique for using potentiostatically determined polarization curves which fulfills the requirements of a rapid electrochemical corrosion test.
P. E. Morris, R. C. Scarberry
openaire +1 more source