Corrosion in Fertiliser and Petroleum Industry: Proceedings of Short Course on "Corrosion in Fertiliser and Petroleum Industry" Organised by the Corrosion Advisory Bureau at Udyogamandal from 20th to 24th December 1968 |
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Page 23
However , if the tests are carried out by varying the potential and noting the
current flow ( by means of a potentiostat ) the initial change of potential / current is
more or less similar to that obtained by galvanostatic method . The difference
occurs ...
However , if the tests are carried out by varying the potential and noting the
current flow ( by means of a potentiostat ) the initial change of potential / current is
more or less similar to that obtained by galvanostatic method . The difference
occurs ...
Page 135
The addition to brass of small amounts of alloying elements is beneficial and
Naval brass ( 60 / 39 / 1 of copper - zinc - tin ) and Admiralty brass ( 70 / 29 / 1 of
copper - zinc - tin ) are used to resist sea water in exchangers provided the flow ...
The addition to brass of small amounts of alloying elements is beneficial and
Naval brass ( 60 / 39 / 1 of copper - zinc - tin ) and Admiralty brass ( 70 / 29 / 1 of
copper - zinc - tin ) are used to resist sea water in exchangers provided the flow ...
Page 143
INTERFERENCE IN CATHODIC PROTECTION The current which is made to flow
through the electrolyte to the structure for protection causes potential changes in
the electrolyte resulting in flow of current to the neighbouring structures which ...
INTERFERENCE IN CATHODIC PROTECTION The current which is made to flow
through the electrolyte to the structure for protection causes potential changes in
the electrolyte resulting in flow of current to the neighbouring structures which ...
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Contents
INTRODUCTION | 3 |
CHEMICAL CORROSION AND ITS PREVENTION | 13 |
DISCUSSION | 22 |
9 other sections not shown
Common terms and phrases
addition alloys aluminium ammonia ammonium amount anodic application attack bottom carbon steel cast iron cathodic protection cause chemical chloride chromium coatings concentration construction containing cooling corrosion problems corrosion rate cracking crude developed distillation effective environment epoxy equipment exchangers failure fertiliser flow give given handling heat hydrogen hydrogen sulphide increase industry inhibitor iron lead less material metal method mild steel Monel months natural observed occurred operating organic oxide oxygen paint petroleum phosphate pipe pitting plant plates potential practice presence pressure prevent pumps range reaction reduced refinery removal resistance rubber severe shell showing solution specially stainless steel steam storage tanks stress corrosion structure suitable sulphuric acid surface Table tanks temperature tests thickness tower treatment tubes unit various welding zinc