scholarly journals Atmospheric Corrosion Studies of Ductile Iron and Austenitic Stainless Steel in an Extreme Marine Environment

Author(s):  
Olasupo Ogundare ◽  
Babaniyi Babatope ◽  
Adelana Razaq Adetunji ◽  
Samuel Olugbenga Oloruntoba Olusunle
Author(s):  
Adithya R Nair ◽  
P Niranjhan ◽  
M N Abijith ◽  
M Arivarasu ◽  
M Manikandan ◽  
...  

1990 ◽  
Vol 12 (3) ◽  
pp. 227-234 ◽  
Author(s):  
U. Kamachi Mudali ◽  
S. Venkadesan ◽  
J. B. Gnanamoorthy

Oil pumps are facing aggressive environment during operation. The halides in the environment are ingested with the oil during operation. At this condition, the oil is heated up to 80°C and making the component to prove under corrosion. To simulate this issue, components from oil pump made of (SS 316 L) austenitic stainless steel. Engine oil before and after usage is considered as an electrolyte-to study the corrosion using cyclic Volta-metric potentiostat, corrosion studies are performed with pure and filtered oil. After corrosion studies, samples are analyzed from SEM for surface damage.


1997 ◽  
Vol 3 (S2) ◽  
pp. 687-688
Author(s):  
G. Fourlaris ◽  
T. Gladman ◽  
M. Maylin

Stainless steels have significant applications due to their good corrosion resistance. However, for applications in a marine environment, i.e. for certain types of large naval structures, in addition to the good corrosion resistance, other requirements are imposed on the candidate material such as high strength and toughness coupled with suitable magnetic characteristics.It has been demonstrated in earlier publications that significant improvements in the coercivity, maximum induction and remanence values can be achieved, by using a 2205 type Duplex austenitic -ferritic stainless steel (DSS) instead of the low alloy medium carbon steels currently being used. These improvements are achieved in the as received 2205 material, and after small amounts of cold rolling have been applied, to increase the strength. However, the 2205 type DSS exhibits “ marginal” corrosion protection in a marine environment as well as exhibiting some measurable ferromagnetic response. Therefore, a study has been undertaken to examine the mechanical properties and microstructures obtained in a super austenitic stainless steel of the 254 SMO type.


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