Volume 05 - Surface Engineering Part 5 ppt

... conditions pH 8. 5- 1 0 8-1 0 4-6 4. 3-4 .6 4. 5- 5 .5 4. 5- 5 .5 Temperature, °C (°F) 9 0-9 5 (19 5- 2 05) 9 0-9 5 (19 5- 2 05) 8 8-9 5 (19 0- 2 05) 8 8-9 5 (19 0- 2 05) 8 8-9 5 (19 0- 2 05) 8 8-9 5 (19 0- 2 05) Plating ... MPa (ksi) 20 5- 380 (3 0 -5 5) 14 0-3 45 (2 0 -5 0) Elongation, % 1 5- 2 5...

Ngày tải lên: 10/08/2014, 12:22

... (film) characteristics 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 General Surface Conditions After Galvanizing. Table 8 Guide for visual inspection of galvanized surfaces Condition Causes Grounds ... Properties, Processing, and Use in Design, Wear Resistance Table 5 Parts immersion coated with manganese phosphate for wear resistance Part (a) Material Coating time, min Supplementary coa...

Ngày tải lên: 10/08/2014, 12:22

... Case (193 1-1 933) (Member 192 7-1 933) • T.D. Cooper (198 4-1 986) (Member 198 1-1 986) • E.O. Dixon (1 95 2-1 954 ) (Member 194 7-1 955 ) • R.L. Dowdell (193 8-1 939) (Member 193 5- 1 939) Because the chemical ... methylene chloride 1 0- 38 (b) 5 0- 100 (b) Good ventilation and protective clothing. Must be approved for high-strength steels Steel Immersion...

Ngày tải lên: 10/08/2014, 12:22

... Time, s 1 0-1 5 sulfuric plus 0-4 hydrofluoric 5 0-6 5 12 0-1 50 2 0-6 0 Ferritic 5- 1 0 nitric plus 0. 2-1 hydrofluoric 5 0-6 5 12 0-1 50 2 0-6 0 Austenitic 1 0-1 5 sulfuric plus 0-4 hydrofluoric ... 5 15 . . . . . . 15 . . . 93 200 10 15 70 20 10 10 93 200 20 15 50 15 10 5 93 200 30 15 40 15 10 5 93 200 10 20 70 ....

Ngày tải lên: 10/08/2014, 12:22

... 1.0 (10) 1 .5 ( 15) 2.0 (20) 2 .5 ( 25) 3.0 (30) 3 .5 ( 35) 4.0 (40) 4 .5 ( 45) • • • • • • • Table 3 Trends in haulaway costs for spent coolant Dollar cost per gallonRegion 1983 19 85 1988 1991 μ μ ... class="bi x2a y6e w13 h 25" alt="" temperature conductivity, k strength elasticity, E toughness g/cm 3 lb/in. 3 °C °F W/m · K Btu · in./ft 2 · h · °F expansion, 10 -6...

Ngày tải lên: 10/08/2014, 12:22

... Sodium cyanide 42 5. 6 3 0-4 1 4. 0 -5 .5 20 2.7 1 5- 2 8 2. 0-3 .7 Sodium hydroxide 79 10 .5 6 8- 1 05 9. 0-1 4.0 75 10.0 6 0-9 0 8. 0-1 2.0 Sodium carbonate 15 2.0 1 5- 6 0 2. 0-8 .0 15 2.0 1 5- 6 0 2. 0-8 .0 Sodium polysulfide ... 4 -5 % 4% 3 -5 % Primary brightener (a) 0. 25% 0. 1-0 .3% 0.2% 0. 1-0 .3% pH 5. 2 4. 8 -5 .8 5. 0 4. 8 -5 .3 An...

Ngày tải lên: 10/08/2014, 12:22

... 17 .5 to 43.7 g/L (2.33 to 5. 82 oz/gal) NaCN; 75. 2 g/L (10 oz/gal) NaOH; 2.0-to-1 to 2. 7 5- to- 1 ratios of NaCN to zinc. Temperature: 30 °C (86 °F). (b) Effect of zinc metal content. 60.1, 75. 2, ... and 90.2 g/L (8, 10, and 12 oz/gal) Zn (CN); 43.7, 54 .6, and 65. 5 g/L (5. 82, 7.27, and 8.72 oz/gal) NaCN; 75. 2 g/L (10 oz/gal) NaOH; 2. 7 5- to- 1 ratio of NaCN to zinc. Temperatur...

Ngày tải lên: 10/08/2014, 12:22

... mechanical properties of electroless nickel-boron and nickel-phosphorus deposits Property Electroless nickel- boron (a) Electroless nickel- phosphorus (b) μΩ μ μ ... Manage., Annual Book of ASTM Standards, μ Table 8 Effect of heat treatment of an electroless nickel -5 % B coating on the fatigue strength of steel Fatigue strengthCondition MPa ksi

Ngày tải lên: 10/08/2014, 12:22

... 10 Theoretical spreading rate for coatings 13 μm (0 .5 mil) 25 μm (1.0 mil) 38 μm (1 .5 mils) 51 μm (2.0 mils) 64 μm (2 .5 mils) 76 μm (3.0 mils )Volume solids, % m 2 /L ft 2 /gal m 2 /L ft 2 /gal ... Table 15 Classification of coatings according to methods of cure Method of curing Generic type Comments Parts that can be efficiently coated by dip painting. If considerably larger, pa...

Ngày tải lên: 10/08/2014, 12:22

... Laser CVD. Thermal-laser CVD (Ref 12), Fig. 6 Typical inert-atmosphere and/or low-pressure plasma chamber. Courtesy of Metco, Inc. Fig. 5 Plasma spray process. Courtesy of Praxair Surface Technologies, ... 5 μm (0.2 mil) anodic coating on 54 57 alloy. (a) 17 wt% H 2 SO 4 . (b) 8.8 wt% H 2 SO 4 Thermal Radiation. Technique Principles Vapor-Phase Epitaxy. → → → o The MOCVD process...

Ngày tải lên: 10/08/2014, 12:22