Handbook of Corrosion Engineering Episode 1 Part 4 ppt

... 7 .4 7.5 7 .1 8.3 7 .1 Alkalinity 2 38 90 18 0 250 278 47 0 Total hardness 10 53 12 0 230 340 70 559 Calcium hardness 5 36 85 210 298 40 4 51 Sulfate 6 20 39 50 17 10 9 46 3 Chloride 5 11 24 21 4 94 14 9 Silica ... 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 40 0 5 12 0.6–2 5 15 C 4 4 01 650 12 –25 2–5 15 –30 C 5 6 51 15 00 25–50...

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 1.786 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. 42 9 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 40 0 5 12 0.6–2 5 15 C 4 4 01 650 12 –25 2–5 15 –30 C 5 6 51 15...

Ngày tải lên: 05/08/2014, 09:20

... Investigating Corrosion Failures 359 5 .4 Prevention of Corrosion Damage 360 5 .4 .1 Uniform corrosion 362 5 .4. 2 Galvanic corrosion 363 5 .4. 3 Pitting 3 64 5 .4. 4 Crevice corrosion 365 5 .4. 5 Intergranular corrosion ... System, Corrosion, 48 :7 34 745 (19 92). 52. Nesic, S., and Vrhovac, M., A Neural Network Model for CO 2 Corrosion of Carbon Steel, Journal of...

Ngày tải lên: 05/08/2014, 09:20

... short time frames. 44 0 Chapter Six 22:37 (day 5) 10 mV 10 00 nA 0 .1 nA 1 µV Time 06:36 (day 6) ECN Max: +5.34E-09 Min: +6.04E -10 Mean:+8.72E -10 Sdev: +4. 63E -10 Cvar: +5.31E- 01 Units: amps Scale: ... nm LD2 Coupler DFOS Splitter 1 X 2 R1 R2 R3 Analog output signal PD1’ PD1 PD2 PD2’ 3 X 3 13 00 nm 670 nm LD1 DFOS DFOS= distributed fiber optic sensor LD1= laser diode 1 PD1=...

Ngày tải lên: 05/08/2014, 09:20

... 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 ... company. 076 516 2_Intro_Roberge 9 /1/ 99 2:38 Page 10 20 Chapter One pH Potential (V vs SHE) 1. 6 0.8 0 -0.8 -1. 6 0 2 46 810 12 14 Fe Fe(OH) 3 2...

Ngày tải lên: 05/08/2014, 09:20

... avoidance. 076 516 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 14 Fe Fe(OH) 3 2 4 6 8 10 12 Uniform Corrosion High oxygen No oxygen Localized Corrosion Decreasing severity ... Summary 10 09 References 10 09 Appendix D. Electrochemistry Basics 10 11 D .1 Principles of Electrochemistry 10 11 D.2 Chemi...

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 45 5.5 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....

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 45 5.5 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....

Ngày tải lên: 05/08/2014, 09:20

... 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 10 5.6 ... 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. 11 40 076 516 2_Ch 01_ Roberge 9 /1/ 99...

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 ... 14 2 2 .4 .1 Introduction 14 2 2 .4. 2 Soil classification systems 14 2 2 .4. 3 Soil parameters affecting corrosivity 14 3 Water 14 3 Degree of...

Ngày tải lên: 05/08/2014, 09:20