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acid dipping

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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
... to remove parting lines and presents several mechanical finishing methods, including surface polishing, brushing, controlled shot peening, and buffing. It also provides information on solvent cleaning, emulsion cleaning, aqueous detergent or alkaline cleaning), electrocleaning, acid dipping, and zinc...
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
... temperature. Solution Sulfuric acid, vol% (a) Nitric acid, vol% (b) Hydrochloric acid (c) Water, vol% Immersion time,s g/L oz/gal Scale dip  Solution A 0 50 4 1 2 50 15–60  Solution B 25–35 35–50 4 1 2 35–40 15–60 Bright dip 50–60 15–25...
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
..., 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 temperature of 90 to 106 °C (195 to 220 °F). Protrusions, valleys, and scratches...
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
... alkaline rinse, 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...
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
..., alkaline or acid (d) spray, hot rinse Hot emulsion or alkaline soak, hot rinse, electrolytic alkaline, hot rinse Removal of unpigmented oil and grease Occasional or intermittent Solvent wipe Emulsion dip or spray Vapor degrease Cold solvent dip Alkaline dip, rinse, dry, or dip in rust...
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
... or acid (d) spray, hot rinse Hot emulsion or alkaline soak, hot rinse, electrolytic alkaline, hot rinse Removal of unpigmented oil and grease Occasional or intermittent Solvent wipe Emulsion dip or spray Vapor degrease Cold solvent dip Alkaline dip, rinse, dry, or dip in rust preventative...
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
...) 9 18 60 140 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...
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
... etching 10 vol% (40 wt%) 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...
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
.... The anodic film formed on molybdenum is so unstable that it will change interference colors and eventually disappear when exposed to air. It can be stabilized either by dipping in glacial acetic acid, followed by drying with filter paper, or by using a jet of compressed air immediately after its withdrawal...
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
...) … 70 (8) Temperature, °C (°F) 82 (180) … 82 (180) Time, min 1 2 –1 … 1–3 Rinsing Temperature Ambient Ambient Ambient Time, min 1 4 3 1 Acid dipping HCl, vol% 10–50 10–50 10–50 Temperature Ambient Ambient Ambient Time, min 1 8...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001268
EISBN: 978-1-62708-170-2
..., Advantages, and Limitations Quality Control Applicable Specifications Mechanical plating post treatments are similar to those used in electroplating. The coating is most receptive to post treatment immediately after plating, while it is still wet. A mild acid dip (e.g., 1% nitric acid...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001308
EISBN: 978-1-62708-170-2
... are helpful in specific instances, particularly for cast aluminum parts. One of these pretreatments entails etching the castings for 20 s in an alkaline solution at 80 °C (180 °F) and then dipping them for 2 to 3 s in a solution consisting of 3 parts by volume nitric acid (36° Bé) and 1 part hydrofluoric acid...
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
... be exercised to prevent overpickling and etching. These solutions are used at room temperature. If the bath is cold, it should be warmed slightly to prevent unduly slow action. Best results with flash pickling are obtained by warming the parts by dipping them in hot water, placing them in the acid for a few...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001310
EISBN: 978-1-62708-170-2
...-carbon steel (e) 4 Caustic dip NaOH 50 (6.6) 21–82 (70–180) 1 2 Low-carbon steel 5 Acid pickle (f) 100% HF H 2 SO 4 Water (b) 143–196 (20–25) 48 (6.4) bal 21–32 (70–90) 2–5 Low-carbon steel (e) 6 Modified chrome pickle (g) NaHF 2 NaCr 2 O 7 ·2H 2 O Al 2 (SO 4...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001304
EISBN: 978-1-62708-170-2
... and greases Occasional or intermittent Solvent wipe Emulsion dip or spray Vapor degrease Cold solvent dip Alkaline dip, rinse, dry (or dip in rust preventive) Solvent wipe Vapor degrease or phosphoric acid clean (d) Solvent wipe Emulsion dip or spray, rinse Vapor degrease Solvent wipe Emulsion soak...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003221
EISBN: 978-1-62708-199-3
... preliminary treatments also are helpful in specific instances, particularly for cast aluminum parts. One of these pretreatments entails etching the castings for 20 s in an alkaline solution at 82 °C (180 °F) and then dipping them for 2 to 3 s in a solution consisting of (by volume) 3 parts nitric acid (36...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003221
EISBN: 978-1-62708-199-3
... the uniformity of appearance required for further finishing of copper; however, heavily scaled material may need a bright dip or color dip after pickling. Table 6 Pickling conditions for copper-base materials Constituent or condition Amount or value Sulfuric acid bath Sulfuric acid...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001227
EISBN: 978-1-62708-170-2
... Stainless Steel,” Report DE92016560/XAB, E.I. DuPont de Nemours & Co., Inc. , 1952 , p 2 • Groshart E.C. , Pickling and Acid Dipping , Metal Finishing Guidebook and Directory , Elsevier Science , 1992 , p 140 – 153 • Kerr E. and Szyszko B.R. , Cleaner for High...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006342
EISBN: 978-1-62708-179-5
... acid ((NO 2 ) 3 C 6 H 2 OH)); 25 g sodium hydroxide (NaOH); 100 mL distilled water; warm to dissolve Colors cementite (Fe 3 C) dark brown to black, depending on etching time. Three etch methods: Immerse sample in solution at 60–70 °C (140–160 °F) for 1–3 min Dip etch for 10 s to 2 min at boiling...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001303
EISBN: 978-1-62708-170-2
... Hydro- carbons Solvents Acids Alkalies Salts Water Weathering Heat Cold Abrasion Need for primer Spray Dip Fluidized bed Air dry Bake Low cost Phenolic E E E F E E E G E E no yes yes no yes yes Appliances Urea E G E E E G G G G E no yes yes...