Effect of temperature on CO2corrosion of carbon steel

2009 ◽  
Vol 41 (6) ◽  
pp. 517-523 ◽  
Author(s):  
Z. F. Yin ◽  
Y. R. Feng ◽  
W. Z. Zhao ◽  
Z. Q. Bai ◽  
G. F. Lin
Keyword(s):  
Carbon Steel ◽  
Effect Of Temperature

scholarly journals Corrosion Behavior of Copper and Carbon Steel in Acidic Media

2014 ◽  
Vol 11 (4) ◽  
pp. 1577-1582
Author(s):  
Baghdad Science Journal
Keyword(s):  
Carbon Steel ◽  
Hydrochloric Acid ◽  
Sulphuric Acid ◽  
Corrosion Behavior ◽  
Effect Of Temperature ◽  
Acidic Media ◽  
Corrosion Rates ◽  
Weight Loss Method ◽  
Acid Environment ◽  
Loss Method

The corrosion behavior of copper and carbon steel in 1M concentration of hydrochloric acid (HCl) and sulphuric acid (H2SO4) has been studied. The corrosion inhibition of copper and carbon steel in 1M concentration of hydrochloric acid (HCl) and sulphuric acid (H2SO4) by Ciprofloxacin has been investigated. Specimens were exposed in the acidic media for 7 hours and corrosion rates evaluated by using the weight loss method. The effect of temperature (from 283 ºK to 333 ºK), pH (from 1to 6), inhibitor concentration (10-4 to 10-2) has been studied. It was observed that sulphuric acid environment was most corrosive to the metals because of its oxidizing nature, followed by hydrochloric acid. The rate of metal dissolution increased with increasing exposure time. Corrosion rates of carbon steel in the acidic media found to be higher.

The Effect of Temperature and Time on the Formation of a Reaction Interlayer During Aluminizing of a Carbon Steel

2009 ◽  
Vol 1242 ◽  
Author(s):  
R. Torres ◽  
V.H. López ◽  
J.P. Arredondo ◽  
R. García ◽  
J.A. Verduzco ◽  
...  
Keyword(s):  
Carbon Steel ◽  
Kinetic Study ◽  
Microstructural Characterization ◽  
Tube Furnace ◽  
Effect Of Temperature ◽  
Second Phase ◽  
Growth Profiles ◽  
Isothermal Growth ◽  
Steel Substrates

ABSTRACTA kinetic study was performed on the growth of a reaction interlayer between molten Al and carbon steel substrates at temperatures between 665 to 820°C by holding Al/flux/steel assemblies, in a tube furnace, at temperature for times up to 120 min. An Ar atmosphere and a K-Al-F based flux were used to enable spreading of molten Al on the steel substrates. Chemical and microstructural characterization of the samples revealed that the interlayer is composed of FeAl3 and Fe2Al5, being the second phase significantly thicker. The Fe2Al5 phase grows toward the steel with a tongue like morphology. Isothermal growth profiles of the reaction interlayer followed a parabolic behavior, meaning that at the beginning the reaction is very rapid and once that a continuous interlayer is formed the growth of the interlayer is controlled by interdifussion of species across the interlayer.

High Temperature Hydrogen Sulfide Corrosion★

CORROSION ◽  
1956 ◽  
Vol 12 (1) ◽  
pp. 22-32 ◽  
Author(s):  
E. B. BACKENSTO ◽  
R. D. DREW ◽  
C. C. STAPLEFORD
Keyword(s):  
Hydrogen Sulfide ◽  
High Temperature ◽  
Carbon Steel ◽  
Carbon Steels ◽  
Effect Of Temperature ◽  
Sulfide Concentration ◽  
Wide Range ◽  
Sulfide Corrosion ◽  
Hydrogen Sulfide Corrosion ◽  
Hydrogen Sulfide Concentration

Abstract High temperature hydrogen sulfide corrosion of carbon steel and low chrome alloys has become a serious problem in the petroleum industry in connection with the increasing use of high pressure hydrogenation and dehydrogenation processes for upgrading petroleum fractions. The effect of temperature, pressure and hydrogen sulfide concentration on the corrosion rate of a wide range of commonly used carbon steels and alloys has been determined in laboratory tests. It has been established that the low chrome alloys (up to 5 percent chromium) which have been used to combat sulfur corrosion in fractionation and cracking equipment, show little or no advanage over carbon steel in resisting attack by hydrogen sulfide. Of the conventional alloy steels tested, only the 18-8 chrome nickel and higher alloys have shown good resistance to this type of corrosion over a wide range of pressure, temperature and hydrogen sulfide concentration. It was found that aluminum coated steels also showed very good corrosion resistance. Three methods were proposed for minimizing hydrogen sulfide corrosion: (1) Reduction of hydrogen sulfide in process streams, (2) Use of chrome-nickel alloys, and (3) Protection of metals by aluminum coating.

scholarly journals Impact of Temperature on Cooling Structural Variation of Forging Dies

2014 ◽  
Vol 11 (2) ◽  
pp. 21-25
Author(s):  
Marianna Piesova ◽  
Andrej Czan
Keyword(s):  
Carbon Steel ◽  
Cooling Rate ◽  
Automotive Industry ◽  
Structural Variation ◽  
Cooling Effect ◽  
Effect Of Temperature ◽  
Theoretical Knowledge ◽  
Final Structure ◽  
Die Forging

Abstract The article is focused on the issue of die forging in the automotive industry. The cooling effect of temperature on the structure of forged die are under review. In the article, there is elaborated the analysis of theoretical knowledge in the field, focusing on die forging and experimentally proven effect of the cooling rate on the final structure of forged dies made of hypoeutectic carbon steel C56E2.

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