Volume 05 - Surface Engineering Part 7 docx

... mechanical properties of electroless nickel-boron and nickel-phosphorus deposits Property Electroless nickel- boron (a) Electroless nickel- phosphorus (b) μΩ μ μ ... coatings in various environments Corrosion rateTemperature Electroless nickel-phosphorus (a) Electroless nickel-boron (b) Environment °C °F μm/yr mil/yr μm/yr mil/yr • • • Table 9 Comparison ... Soldier-style racking: •...

Ngày tải lên: 10/08/2014, 12:22

... 10. 0-1 5.1 45 6.0 3 8-5 7 5. 0 -7 .6 Sodium hydroxide 79 10.5 6 8- 105 9. 0-1 4.0 75 10.0 6 0-9 0 8. 0-1 2.0 Ratio: NaCN to Zn 2 .75 0. 37 2. 0-3 .0 0. 3-0 .4 2.6 0.3 2. 0-3 .0 0. 2-0 .4 Low-cyanide ... 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- 105 9. 0-1 4.0 75 10.0 6 0-9 0 8. 0-1 2.0 So...

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 (195 2-1 954) (Member 194 7- 1 955) • R.L. Dowdell (193 8-1 939) (Member 193 5-1 939) Because the chemical ... Continuous conveyor Ultrasonic Handling 2 7 7 5 9 7 Cleanness 4 3 5 7 7 10 Process control 3 6 6 8 9 9 Capital cost 7 8 7 5 4 1 Operating c...

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 ... dip (d) 1 8-2 0 NaOH, 4-6 KMnO 4 (e) 7 1-9 3 16 0-2 00 20 min to 8 h (f) Water rinse (c) . . . Ambient Ambient . . . Sulfuric...

Ngày tải lên: 10/08/2014, 12:22

... (A/ft 2 ) μ μ Table 2 Fatigue life performance obtained by parts finished using various methods Operation Endurance limit in bending (10 7 cycles), MPa (ksi) Relative endurance limit (a)

Ngày tải lên: 10/08/2014, 12:22

... 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- 205) 9 0-9 5 (19 5- 205) 8 8-9 5 (19 0- 205) 8 8-9 5 (19 0- 205) 8 8-9 5 (19 0- 205) 8 8-9 5 (19 0- 205) Plating ... copper 7 5-1 80 3 -7 10 h Aircraft engine parts Nickel-based alloys, high strength steel 7 5-1 80 3...

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 .75 -to- 1 ratios of NaCN to zinc. Temperature: 30 °C (86 °F). (b) Effect of zinc metal content. 60.1, 75 .2, ... 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 .75 -to- 1 ratio of NaCN to zinc. Tempe...

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 for ... forming Area Coating weightPart (a) Steel m 2 ft 2 g/m 2 oz/ft 2 × 10 - 2 Production, pieces/h Sequence of operations Table 2 Compositions and physical properties of lead-base babbitt...

Ngày tải lên: 10/08/2014, 12:22

... 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 m 2 /L ft 2 /gal m 2 /L ft 2 /gal m 2 /L ... Source for direct current. (14) To anodes in paint bath. (15) To work on conveyor. (16) Particl e filter. ( 17) Cooler. (18) Ultrafilter. (19) Paint solids return. (20) Permeate. (21) C...

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, ... 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 The cutting-tool i...

Ngày tải lên: 10/08/2014, 12:22