Handbook of Corrosion Engineering Episode 2 Part 4 doc

... Nil Bromine Vapor 20 0. 025 Chromium 25 % CrO 3 , 12% H 2 SO 4 92 0. 125 plating solution Chromium 17% CrO 3 , 2% Na 5 SiF 6 , 92 0. 125 plating solution trace H 2 SO 4 H 2 O 2 30 Room 0. 025 H 2 O 2 30 Boiling ... 5.0 317LM S31 725 2. 5 2. 5 G N06007 25 .0 25 .0 G-3 N06985 25 .0 25 .0 C -4 N0 645 5 37.5 37.5 625 N06 625 35.0 40 .0 C -27 6 N1 027 6 60/0 65/0...

Ngày tải lên: 05/08/2014, 09:20

... Nil Bromine Vapor 20 0. 025 Chromium 25 % CrO 3 , 12% H 2 SO 4 92 0. 125 plating solution Chromium 17% CrO 3 , 2% Na 5 SiF 6 , 92 0. 125 plating solution trace H 2 SO 4 H 2 O 2 30 Room 0. 025 H 2 O 2 30 Boiling ... Boiling 0.0 025 K 2 CO 3 1–10 Room 0. 025 K 2 CO 3 10 20 98 Embrittlement K 3 PO 4 10 Room 0. 025 MgCl 2 47 Boiling 0. 025 NaCl Saturated; pH...

Ngày tải lên: 05/08/2014, 09:20

... acid 2 225 Ͻ 0. 025 Ͼ 20 Nitric acid 10–70 Room, 20 0 Ͻ 0. 025 Ͼ 20 Nitric acid ϩ l% FeCl 3 70 120 (Nil) Ͼ 20 Seawater Natural 20 0 Ͻ 0. 025 Ͼ 20 NaOH solution 50 57 Ͻ 0. 025 Ͼ 20 NaOH solution 73 129 ... 3.0 Tantalum 24 .8 TABLE 8 .44 Mechanical Properties of Zirconium Alloys Tensile, Yield (0 .2% offset), Elongation, Alloy Trade name MPa MPa % Industrial grades R697 02 7...

Ngày tải lên: 05/08/2014, 09:20

... manganese. For example a solution might contain Zn(H 2 PO 4 ) 2 и2H 2 O with added H 3 PO 4 . The coatings consist of a thick porous layer of fine phosphate crystals, tightly bonded to the steel. ... life of ball bearings for jet engines with a benefit-to- cost ratio of 20 :1. A treated forming die resulted in the production of nearly 5000 automobile parts compared to the...

Ngày tải lên: 05/08/2014, 09:20

... more Corrosion Inhibitors 847 -41 5 -100 -80 -60 -40 -20 0 20 40 60 80 100 120 -41 0 -40 5 -40 0 -395 -390 -385 -380 -375 -370 -365 Current density (µA cm -2 ) E (mV vs. SHE) Figure 10.5 Corrosion of ... dissolution of tubular material [Eq. (10.5); C in Figs. 10.1 and 10 .2] : 3 Fe 2 O 3 ϩ 4 Cl Ϫ ϩ 6 H ϩ ϩ 2 e Ϫ → 2 FeCl 2( aq) ϩ 3 H 2 O (10 .2) Fe 3 O 4 ϩ 6 Cl...

Ngày tải lên: 05/08/2014, 09:20

... ⍀иcm 2 mAиcm 2 mmиy Ϫ1 Efficiency, % 0 14 1.55 18.0 0 25 0 35 0. 62 7 .2 60 1000 143 0.1 52 1.76 90 5000 22 3 0.097 1.13 94 07651 62_ Ch10_Roberge 9/1/99 6:15 Page 847 846 Chapter Ten -40 5 -800 -600 -40 0 -20 0 0 20 0 40 0 -40 0 -395 -390 -385 -380 -375 -370 -365 -360 -355 Current ... more Corrosion Inhibitors 847 -41 5 -100 -80 -60 -40 -20 0 20 40 60 80 100 120 -41...

Ngày tải lên: 05/08/2014, 09:20

... 0 .25 0.15 A 921 17 21 17 0.8 0.7 2. 2–3.0 0 .20 0 .20 –0.50 0.10 0 .25 A 921 24 21 24 0 .20 0.30 3.8 4. 9 0.30–0.9 1 .2 1.8 0.10 0 .25 0.15 A 922 18 22 18 0.9 1.0 3.5 4. 5 0 .20 1 .2 1.8 0.10 1.7 2. 3 0 .25 A 922 19 22 19 ... 4, 6 42 . 01 H 2 O 23 7,000 69.9 10.669 42 . 2 84 Ϫ6.903 18. 54 23 9 ,48 3 Al 0 28 . 325 20 .67 12. 38 0 24 .79 Ϫ1, 040 .43 Al(OH) 3 Ϫ1,136,5 42 0 Ϫ1,...

Ngày tải lên: 05/08/2014, 09:20

... 0 .25 0.15 A 921 17 21 17 0.8 0.7 2. 2–3.0 0 .20 0 .20 –0.50 0.10 0 .25 A 921 24 21 24 0 .20 0.30 3.8 4. 9 0.30–0.9 1 .2 1.8 0.10 0 .25 0.15 A 922 18 22 18 0.9 1.0 3.5 4. 5 0 .20 1 .2 1.8 0.10 1.7 2. 3 0 .25 A 922 19 22 19 ... 0.10 0 .20 A 0 24 20 24 2.0 1.07 1.0 3.5 4. 5 0.35 1 .2 1.8 0 .25 1.7 2. 3 0.35 0 .25 A 0 24 30 24 3.0 0.35 0 .40 3.5 4. 5 0.15–0 .45 1.8 2. 3 0 .20 –0 .40...

Ngày tải lên: 05/08/2014, 09:20

... 7 .4 7.5 7.1 8.3 7.1 Alkalinity 2 38 90 180 25 0 27 8 47 0 Total hardness 10 53 120 23 0 340 70 559 Calcium hardness 5 36 85 21 0 29 8 40 45 1 Sulfate 6 20 39 50 17 109 46 3 Chloride 5 11 24 21 4 94 149 Silica ... g/m 2 иyear g/m 2 иyear C 1 Յ10 Յ0.9 Negligible Յ0.7 C 2 11 20 0 0.9–5 Յ0.6 0.7–5 C 3 20 1 40 0 5– 12 0.6 2 5–15 C 4 401–650 12 25 2 5 15–30 C 5 651–1...

Ngày tải lên: 05/08/2014, 09:20

... g/m 2 иyear g/m 2 иyear C 1 Յ10 Յ0.9 Negligible Յ0.7 C 2 11 20 0 0.9–5 Յ0.6 0.7–5 C 3 20 1 40 0 5– 12 0.6 2 5–15 C 4 401–650 12 25 2 5 15–30 C 5 651–1500 25 –50 5–10 30–60 07651 62_ Ch 02_ Roberge 9/1/99 4: 01 Page ... Title ISO 922 3 Classification of the Corrosivity of Atmospheres ISO 922 4 Guiding Values for the Corrosivity Categories of Atmospheres ISO 922 5 Aggressi...

Ngày tải lên: 05/08/2014, 09:20