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Page 51
Data on anodic polarisation curves indicate that if the temperature changes from room temperature to 90 ° C in IN sulphuric acid the critical anodic current density ic increases from 11 to 20 4A.cm - 2 for 18CrNiMo stainless steel / 32 ...
Data on anodic polarisation curves indicate that if the temperature changes from room temperature to 90 ° C in IN sulphuric acid the critical anodic current density ic increases from 11 to 20 4A.cm - 2 for 18CrNiMo stainless steel / 32 ...
Page 53
10 B Acid composition at 170 ° C : Phosphoric acid = 94.6 % Sulphuric acid = 0.04 % Fluoride = 0.19 % Ferric ion = 1.41 % Chloride = 40 ppm o 0.1 8 0.01 0.001 0 0.1 0.2 0.4 0.5 Fig . 11 27Cr31 Ni3.SMolCu 3 2Acid composition at 100 ° C ...
10 B Acid composition at 170 ° C : Phosphoric acid = 94.6 % Sulphuric acid = 0.04 % Fluoride = 0.19 % Ferric ion = 1.41 % Chloride = 40 ppm o 0.1 8 0.01 0.001 0 0.1 0.2 0.4 0.5 Fig . 11 27Cr31 Ni3.SMolCu 3 2Acid composition at 100 ° C ...
Page 281
Mineral Acids / Acid Mixtures : Most standardized corrosion tests relate to oxidizing conditions , where Alloy 59 has been demonstrated to be ... In boiling 10 % sulfuric acid , Alloy 59 exhibits a more than 3 times lower corrosion rate ...
Mineral Acids / Acid Mixtures : Most standardized corrosion tests relate to oxidizing conditions , where Alloy 59 has been demonstrated to be ... In boiling 10 % sulfuric acid , Alloy 59 exhibits a more than 3 times lower corrosion rate ...
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Contents
Scale Formation During Nucleate Boiling A Review | 26 |
Change in Boiling Mechanism with Time | 33 |
Heat Transfer Models in the Presence of Deposit | 43 |
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acid addition adhesion alloy anodic application attack biocide biofilm bubble carbon cathodic caused characteristics chemical chloride coatings composition concentration concrete containing cooling corrosion rate corrosion resistance cost decrease density depends deposit determined effect electrochemical Engineering environment equipment erosion evaluation experimental experiments Figure flow fluid formation formed fouling growth heat transfer higher impact important improved increase industrial influence inhibitor ions iron laboratory layer lower marine materials measurements mechanism metal method natural nickel observed obtained occurs operating organic oxide ozone paint particles passive performance phosphate pigment pitting plant potential present properties protection reaction reduced References removal samples scale seawater shown shows solution specimens stainless steel strength structure studied surface Table Technology temperature thickness treatment values various weld zinc