Handbook of Corrosion Engineering Episode 1 Part 6 pot

... 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, mV Ͼ 10 0 0 50 10 0 3.5 0–50 4 Ͻ 05 Sulfides Positive ... Classification Summation of R1 to R12 ratings Soil classification Ն0 Virtually noncorrosive 1 to Ϫ4 Slightly corrosive Ϫ5 to 10 Corrosive 10 Highly corrosive...

Ngày tải lên: 05/08/2014, 09:20

... 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...

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... 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 ... 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...

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... 10 1 11 Condenser tube scale 6 (3) 803 16 3 64 0 495 60 7 11 2 16 2 14 3 19 No scale observed 7 (3) 14 64 200 12 64 549 13 5 414 11 2 10 1 11 No scale observed 8 (3) 800 16 8 63 2 480 78 402 280 78 202 No ... 95 68 0 4 96 78 418 18 6 60 12 6 No scale observed 10 (3) 3904 270 363 4 317 2 508 266 4 3050 95 2995 Slight valve scale 11 (3) 417 0 18 8 3982 308 303 5...

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... 790 700 62 5 565 825 930 63 0 63 0 63 0 63 0 62 5 760 63 0 63 0 63 0 63 0 718 760 63 0 63 0 63 0 63 0 0 76 5 16 2_Ch03_Roberge 9 /1/ 99 4:27 Page 2 56 267 Modeling, Life Prediction, and Computer Applications 4 .1 Introduction ... kJиmol 1 S, Jиmol 1 иK 1 G, kJиmol 1 Cr Gas 422.02 207.58 11 6. 25 Cr Solid 36. 97 70.78 67 .29 Cr 2 O 3 Solid Ϫ993. 71 2 76. 68 14 01...

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... 1. 36 d 0. 71 12.8 1. 42 Short longitudinal (SL) e 1. 59 15 .7 1. 23 f 0.84 14 .9 1. 30 Short transverse (ST) g 1. 01 17 .6 1. 35 *Average reference trace measured before corrosion exposure. 0 76 5 16 2_Ch04_Roberge ... 4 .1 Calculated Surface Parameters for Regions Identified on Fig. 4.2 Plane Zone Ra, ␮m Rt, ␮m D Reference* 0 .14 2.95 1. 45 Long transverse (LT) a 1. 12 1...

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... Loop Cylindrical Figure 6 .15 Types of ER corrosion sensors. (Courtesy of Metal Samples.) TU04, FS02 CT10, FL10, SP10 WR40, CT20, FL20 FL05 WR80 12 8 h 64 h 32 h 16 h 8 h 1 h 1 0 1 3 6 12 24 36 10 10 -1 10 -0 10 1 10 2 10 3 10 4 10 0 ... Emission (AE) Corrosion Potential 4 21 0 76 5 16 2_Ch 06_ Roberge 9 /1/ 99 5: 01 Page 4 21 404 Chapter Six Figure 6...

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... 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 .63 E -10 Cvar: +5.31E- 01 Units: amps Scale: log EPN Max: +2.78E-03 Min: +2.76E- 06 Mean: +1. 23E-04 Sdev: ... uncoated aluminum alloy. 6: 52 10 mV 10 00 nA 0 .1 nA 10 00 mbar 0 mbar -20°C 80°C 1 µV Time 8: 46 Temperature Max: +1. 82E+ 01 Min: +1. 09E+ 01 Mea...

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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...

Ngày tải lên: 05/08/2014, 09:20