Volume 05 - Surface Engineering Part 14 pdf

... cleaners used to clean aluminum surfaces Constituent or condition Amount or value Solution 1 Solution 2 Solution 3 Solution 4 Solution 5 Table 8 Automatic bright-finish buffing of aluminum soleplates Buffing ... Amount °C °F Cycle time, s Preplating surface preparation procedures suitable for all wrought aluminum alloys, for most aluminum casting alloys, and for magnesium-containing...

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... Technol., Society of Vacuum Coaters 14th Ann. Tech. Conf. Proc., J. Vac. Sci. Technol., Met. Finish., Handbook of Plasma Processing Technology: Fundamentals, Etching, Deposition and Surface Interactions, J. ... x Thin Solid Films, Society of Vacuum Coaters 36th Ann. Tech. Conf. Proc.,

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... electrodeposition Low- phosphorus electroless nickel (generic) Ni-W-B electrodeposition (Amplate) Ni-W-SiC electrodeposition (Takada) Plasma spray (general) High- velocity oxyfuel (general) commercial μ μ Better: Comparable: ... contaminant for testing the cleaning efficiency of wipe solvent cleaners Ingredient Parts by weight cobalt nickel-tungsten molybdenum Nichrome chromium μ...

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... 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 ... (199 3-) Rotolico Associates • Mahi Sahoo (199 3-) CANMET • Wilbur C. Simmons (199 3-) Army Research Office • Jogender Singh (199 3-) Pennsylvania State...

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... 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...

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... elasticity, E toughness g/cm 3 lb/in. 3 °C °F W/m · K Btu · in./ft 2 · h · °F expansion, 10 -6 /K MPa ksi GPa 10 6 psi MPa ksi Ceramics Metals Polymer d μ μ μ Table 6 Estimated ti me required ... min (a) at current density, A/dm 2 (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...

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... 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 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 2 0.3 2-3 ... 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: NaC...

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... 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 ... (A/ft 2 ) 1-1 0 (9. 3-9 3) 8-4 4 (7 5-4 10) Anodes Oxygen-free, high-conductivity copper or phospho...

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... oz/gal) Zn (CN); 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. ... (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. Temperature: 30 °C (86 °F). (c) Effect of NaOH content. 60.1...

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... 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: •...

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