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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001315
EISBN: 978-1-62708-170-2
...), electrocleaning, acid dipping, and zinc conversion coating treatments. acid dipping alkaline cleaning brushing buffing coating coating adherence controlled shot peening conversion coatings corrosion resistance electrocleaning emulsion cleaning mechanical finishing parting lines finishing...
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Published: 01 January 1994
, and 355. Solution No. Type of solution Composition Amount Operating temperature Cycle time, s °C °F 1 Acid dip H 2 SO 4 15 vol% 85 min 185 min 120–300 2 Acid dip HNO 3 50 vol% Room Room 15 3 Zincating NaOH 525 g/L (70 oz/gal) 16–27 60–80 30–60 ZnO 100 g/L More
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Published: 01 January 1994
Composition Amount Operating temperature Cycle time, s °C °F Alloys 1100 and 3003 1 Acid dip HNO 3 50 vol% Room Room 15 2 Zincating NaOH 525 g/L (70 oz/gal) 16–27 60–80 30–60 ZnO 98 g/L (13 oz/gal) Alloys 413, 319, 356 and 380 1 Acid dip HNO 3 75 vol% Room More
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Published: 01 January 1994
Fig. 3 Surface preparation of brass powder metallurgy parts before plating Solution No. Type of solution Composition of solution Operating temperature Cycle time, s 1 Cyanide dip NaCN, 7.5 g/L (1 oz/gal) Room temperature 30–60 2 Acid dip H 2 SO 4 , 3–5 vol% Room More
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Published: 01 January 1994
Fig. 14 Processing sequence for electroplating copper on titanium alloy parts Solution No. Type of solution (a) Composition of solution 1 Acid dip 60% HF, 1 vol, 69% HNO 3 , 3 vol 2 Dichromate dip Na 2 Cr 3 O 7 · 2H 2 O, 290 g/L (33 oz/gal), 60% HF, 55 g/L (6.2 oz/gal More
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Published: 01 January 1994
150–70 10–45 3 Acid pickle HNO 3 , 6–10 vol%; HF, 1.5 vol% Room temperature Room temperature 10–30 4 Cathodic acid etch (c) H 2 SO 4 , 5–15 vol% Room temperature Room temperature 1–5 (d) 5 Acid dip H 2 SO 4 , 1 vol% Room temperature Room temperature 1 6 – 1 3 More
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Published: 01 January 1994
oz/gal) Room Room 30 4 Acid dip HBF 4 , 5–10% Room Room 5–10 (a) By volume, except where otherwise noted. (b) Current density 1 to 3 A/dm 2 (10 to 30 A/ft 2 ), 3 to 4 V More
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Published: 01 January 1994
No. Type of solution Composition Amount Operating temperature Cycle time, s °C °F 1 Zincating NaOH 525 g/L (70 oz/gal) 16–27 60–80 30–60 ZnO 100 g/L (13 oz/gal) 2 Acid dip HNO 3 50 vol% Room Room 15 More
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Published: 01 December 1998
Fig. 7 Ground-coat enameling, acid-etch/nickel-deposition process (dip or spray application) No. Solution Composition Temperature Cycle time, min °C °F Dip Spray 1 Alkaline cleaner (a) Cleaner, 15–60 g/L (2–8 oz/gal) (b) Ambient to 100 (c) Ambient to 212 (c) 6–12 More
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Published: 01 January 1994
Fig. 9 Ground-coat enameling, acid-etch/nickel-deposition process (dip or spray application) No. Solution Composition Temperature Cycle time, min °C °F Dip Spray 1 Alkaline cleaner (a) Cleaner, 15–60 g/L (2–8 oz/gal) (b) Ambient to 100 (c) Ambient to 212 (c) 6–12 More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001309
EISBN: 978-1-62708-170-2
... material may need a bright dip or color dip after pickling. Pickling conditions for copper-base materials Table 1 Pickling conditions for copper-base materials Constituent or condition Amount or value Sulfuric acid bath Sulfuric acid (a) 15–20 vol% 35% hydrogen peroxide 3–5 vol...
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Published: 01 January 1994
, conditions, and procedure are the same as for steel, except that cast iron parts, after being thoroughly washed in cold water following the acid dip, are dipped for 5 s in a room-temperature (RT) cyanide solution (NaCN, 45 to 60 g/L, or 6 to 8 oz/gal) and then again rinsed in cold water, before proceeding More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001221
EISBN: 978-1-62708-170-2
..., hydrochloric acid dip, rinse Vapor degrease Phosphoric acid etch Vapor degrease Cold solvent dip Alkaline spray Alkaline dip, rinse, dry or dip in rust preventative Continuous high production Automatic vapor degrease Automatic vapor degrease Emulsion power spray, rinse Automatic vapor...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003213
EISBN: 978-1-62708-199-3
... acid etch Solvent wipe Emulsion dip or spray, rinse Vapor degrease Alkaline spray Solvent wipe Emulsion soak, barrel rinse, electrolytic alkaline rinse, hydrochloric acid dip, rinse Continuous high production Automatic vapor degrease Emulsion, tumble, spray, rinse, dry Automatic vapor degrease...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003680
EISBN: 978-1-62708-182-5
...%) hydrofluoric acid 10 vol% (72 wt%) nitric acid 80 vol% water Dip, room temperature bath, 2–5 min Acid electrograining 1–2 wt% hydrochloric acid Power: 8–15 V ac 200–500 A/m 2 (0.15–0.30 A/in. 2 ); 20–30 °C (70–85 °F), 5–10 min Alkaline etching 4–10 wt% sodium hydroxide Dip, 40–90 °C (105–195 °F...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001313
EISBN: 978-1-62708-170-2
... all Virgo salt is removed. Dry; repeat steps 2 and 3 if oxides are not removed. Cold water rinse, until all Virgo salt is removed. Nitric acid pickle; 20 to 25 vol% of 42 °Bé acid (63 ± 3 °C, or 145 ± 5 °F), until a uniform dark coating is formed. Cold water rinse. Dip in potassium...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006511
EISBN: 978-1-62708-207-5
... tank compared to bright dip tank next to it Bright Dip Solutions In general, bright dip baths can use concentrated or dilute acid solutions that contain oxidizing agents. The acids commonly used are sulfuric, nitric, and phosphoric acids. An aluminum part is immersed for 1 to 5 min at a bath...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001229
EISBN: 978-1-62708-170-2
... 140 71 160 Wire, soft 4 18 77 170 88 190 Wire, alloy and high-carbon 3 18 55 130 74 165 Fabricated parts (for tinning):  Initial pickle 5 10 66 150 88 190  Final dip (a) (a) … … 38 100 (a) Concentrated hydrochloric acid, 1.14 to 1.16 sp gr...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001247
EISBN: 978-1-62708-170-2
... 3 1 Acid dipping HCl, vol% 10–50 10–50 10–50 Temperature Ambient Ambient Ambient Time, min 1 8 –1 3 1 2 to >1 Rinsing Temperature Ambient Ambient Ambient Time, min 1 4 3 1 Cyanide dipping NaCN, g/L (oz/gal) 30–45 (4...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001314
EISBN: 978-1-62708-170-2
... in the acid for a few seconds, and rinsing them again with hot water. A second dip in acid may be used if necessary. Badly tarnished metal may require a total of 3 min in acid, but the material should be withdrawn frequently from the bath and inspected to prevent overpickling. Reduced-Oxide Surfaces...