Handbook of Corrosion Engineering Episode 1 Part 6 pdf

... details of the deicing mechanism 16 6 Chapter Two 0 76 5 16 2_Ch02_Roberge 9 /1/ 99 4:02 Page 16 6 resistance. The potential of the reinforcing steel can be measured with a reference cell as a function of ... points Resistivity, ⍀иcm Ͻ 700 10 700 10 00 8 10 00 12 00 5 12 00 15 00 2 15 00–2000 1 Ͼ 2000 0 pH 0–2 5 2–4 3 4 6. 5 0 6. 5–7.5 0 7.5–8.5 0 Ͼ 8.5 3 Redox potential...

Ngày tải lên: 05/08/2014, 09:20

... Classification Summation of R1 to R12 ratings Soil classification Ն0 Virtually noncorrosive 1 to Ϫ4 Slightly corrosive Ϫ5 to 10 Corrosive 10 Highly corrosive 0 76 5 16 2_Ch02_Roberge 9 /1/ 99 4:02 Page 15 1 A range of ... points Resistivity, ⍀иcm Ͻ 700 10 700 10 00 8 10 00 12 00 5 12 00 15 00 2 15 00–2000 1 Ͼ 2000 0 pH 0–2 5 2–4 3 4 6. 5 0 6. 5–7.5 0 7.5–8.5 0 Ͼ 8.5 3 Redox p...

Ngày tải lên: 05/08/2014, 09:20

... CaCO 3 10 mg CaO 10 mg CaCO 3 14 .3 mg CaCO 3 * 1 mg CaCO 3 10 0 mg CaCO 3 1 mval/L 1 2.8 5 3. 51 50 0.5 1 °dH 0.357 1 1.7 86 1. 25 17 . 86 0 .17 86 1 °fH 0.2 0.5599 1 0.7 10 0 .1 1 °eH 0.285 0.7999 1. 429 1 14.29 ... g/m 2 иyear C 1 10 Յ0.9 Negligible Յ0.7 C 2 11 –200 0.9–5 Յ0 .6 0.7–5 C 3 2 01 400 5 12 0 .6 2 5 15 C 4 4 01 65 0 12 –25 2–5 15 –30 C 5 6 5...

Ngày tải lên: 05/08/2014, 09:20

... 0.5O 2 ϭ Cu 2 O 19 0,300 ϩ 89.5 T 924 13 28 2 Cu ϩ 0.5O 2 ϭ Cu 2 O 16 6, 900 ϩ 71. 1 T 992 13 93 3 MnO ϩ 0.5O 2 ϭ Mn 3 O 4 Ϫ222,540 ϩ 11 1 T 11 60 13 71 Pb ϩ 0.5O 2 ϭ PbO 19 0,580 ϩ 74.9 T 772 11 60 Pb ϩ 0.5O 2 ϭ ... U 3 O 8 16 6, 900 ϩ 84 T 878 13 93 U 4 O 9 ϩ 0.5O 2 ϭ 4/3 U3°8-z 16 4,400 ϩ 82 T 967 13 73 2 Fe 3 O 4 ϩ 0.5O 2 ϭ 3 Fe 2 O 3 Ϫ2 46, 800 ϩ 14 1.8 T 14 89 15 93 2 Cu ϩ...

Ngày tải lên: 05/08/2014, 09:20

... Ϫ0.30 Ϫ0 .10 Ϫ0.50 Ϫ0.50 0 Poor Ϫ0 .10 0 Ϫ0.30 Ϫ0.30 0 .10 Very poor 0 .10 0 .10 0 .10 0 .10 0 .15 Localized defects 0 .10 0 .10 0 .10 0 .10 0.20 0 76 5 16 2_Ch04_Roberge 9 /1/ 99 4:43 Page 300 The procedure for ... 289 0 76 5 16 2_Ch04_Roberge 9 /1/ 99 4:43 Page 289 method of representing such a complex engineering situation. Figure 4 . 16 illustrates the OO version of the main fac...

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... xi Introduction 1 1 .1 The Cost of Corrosion 1 1.2 Examples of Catastrophic Corrosion Damage 3 1. 3 The Influence of People 5 References 12 Chapter 1. Aqueous Corrosion 13 1. 1 Introduction 13 1. 2 Applications ... 8 61 Chapter 11 . Cathodic Protection 863 11 .1 Introduction 863 11 .2 Sacrificial Anode CP Systems 8 71 11. 3 Impressed Current Systems 878 11 .4...

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... Compositions of Engineering Alloys 10 61 Appendix F. Thermodynamic Data and E-pH Diagrams 11 01 Appendix G. Densities and Melting Points of Metals 11 25 Index 11 29 Contents 0 76 5 16 2_FM_Roberge 9 /1/ 99 2: 36 Page ... corrosion avoidance. 0 76 5 16 2_Intro_Roberge 9 /1/ 99 2:38 Page 1 20 Chapter One pH Potential (V vs SHE) 1. 6 0.8 0 -0.8 -1. 6 0 2 46 810 12 1...

Ngày tải lên: 05/08/2014, 09:20

... 0 5 10 15 20 Salinity,† % 0 9. 06 18 .08 27 .11 36 .11 Temperature, °C ppm 0 14 .58 13 .70 12 .78 11 .89 11 .00 5 12 .79 12 .02 11 .24 10 .49 9.74 10 11 .32 10 .66 10 . 01 9.37 8.72 15 10 . 16 9 .67 9.02 8. 46 7.92 20 ... (M), ␮mol/L 0 10 .2 14 .58 455.5 5 8.9 12 .72 397.4 10 7.9 11 .29 352.8 15 7.0 10 .00 312 .6 20 6. 4 9 .15 285.8 25 5.8 8.29 259.0 30 5.3 7.5...

Ngày tải lên: 05/08/2014, 09:20

... 0 5 10 15 20 Salinity,† % 0 9. 06 18 .08 27 .11 36 .11 Temperature, °C ppm 0 14 .58 13 .70 12 .78 11 .89 11 .00 5 12 .79 12 .02 11 .24 10 .49 9.74 10 11 .32 10 .66 10 . 01 9.37 8.72 15 10 . 16 9 .67 9.02 8. 46 7.92 20 ... I 1 ϭ 10 Ϫ4.5 A. Surface area ϭ 1 cm 2 50 Chapter One 0 76 5 16 2_Ch 01_ Roberge 9 /1/ 99 2: 46 Page 50 13 Aqueous Corrosion 1. 1 Introd...

Ngày tải lên: 05/08/2014, 09:20

... 19 7 .6 5.25 Li ϩ 1 38.7 1. 03 F Ϫ 1 55.4 1. 47 Na ϩ 1 50 .1 1.33 Cl Ϫ 1 76. 3 2.03 K ϩ 1 73.5 1. 95 NO 3 Ϫ 1 71. 4 1. 90 Ca 2ϩ 2 11 9.0 0.79 ClO 4 Ϫ 1 67 .3 1. 79 Cu 2ϩ 2 10 7.2 0. 71 SO 4 2Ϫ 2 16 0.0 1. 06 Zn 2ϩ 2 ... SO 4 2Ϫ 2 16 0.0 1. 06 Zn 2ϩ 2 10 5 .6 0.70 CO 3 2Ϫ 2 13 8 .6 0.92 O 2 —— 2. 26 HSO 4 Ϫ 1 50.0 1. 33 H 2 O —— 2.44 HCO 3 1 1 41. 5 1...

Ngày tải lên: 05/08/2014, 09:20