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Image
Published: 01 January 1994
Fig. 1 Schematic of a hot water rinse station in a spray phosphating line More
Image
Published: 01 January 1994
Fig. 3 Sequence of operations for spray zinc phosphating of 80 mm (3.2 in.) mortar shell casings before painting. Total area, inside and outside, of each shell was 0.1 m 2 (1 ft 2 ); coating weight ranged from 1.7 to 2.1 g/m 2 (5.6 × 10 −3 to 6.9 × 10 −3 oz/ft 2 ). Solution More
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Published: 01 January 1994
Fig. 4 Immersion phosphating tank for batch coating of small components. Drum into which parts are loaded is shown in immersion position. More
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Published: 01 January 1994
Fig. 7 Automatic, conveyorized cleaning, immersion zinc phosphating, and lubricating of 80 mm (3.2 in.) mortar shell blanks (1010 steel) before cold forming. Average area of shell blanks was 0.1 m 2 (1 ft 2 ); coating weight, 16 g/m 2 (5.2 × 10 −2 oz/ft 2 ). Conveyor speed was 0.033 m/s More
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Published: 01 January 1994
Fig. 9 Sequence of operations for spray zinc phosphating of automotive bodies Stage Type Composition Temperature Time,s °C °F 1 Organic solvent Mineral spirits 30 86 60 2 Alkaline cleaner Titanated, alkali 6.0 g/L (5.0 × 10 −2 lb/gal) 60–65 140–150 70 3 More
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Published: 01 January 1994
Fig. 10 Plot of zinc phosphating concentrate consumed vs. area covered for small threaded components coated to 10.8 g/m2 (3.5 × 10 −2 oz/ft 2 ) with barrel phosphating More
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Published: 01 January 1994
Fig. 16 Methods for removing sludge from a phosphating tank. (a) Settling tank. (b) Continuously operating cloth belt filter. (c) Tilting plate separator, thickener, and filter press. Source: Ref 15 More
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Published: 01 December 1998
Fig. 5 Immersion phosphating tank for batch coating of small parts. Drum into which parts are loaded is shown in immersion position More
Book Chapter

Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001274
EISBN: 978-1-62708-170-2
... Abstract This article focuses on the types, composition, and applications of phosphate coatings and describes the characteristics of phosphate-coated ferrous and nonferrous materials, including steel and aluminum. It addresses five successive process fundamentals: cleaning, rinsing, phosphating...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003678
EISBN: 978-1-62708-182-5
... Abstract Phosphating is used in the metalworking industry to treat substrates like iron, steel, galvanized steel, aluminum, copper, and magnesium and its alloys. This article provides an overview of the types, uses, and theory of phosphate coatings and their formation. It also discusses...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006884
EISBN: 978-1-62708-392-8
... Abstract Calcium phosphates react to form more stable salts in aqueous solutions. This phenomenon has been applied to the solidification process for the dental and medical cement calcium phosphate cement, which consists of multiple phases of calcium phosphates and calcium salts; solidification...
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Published: 01 June 2012
Fig. 8 Solubility diagram of some calcium phosphates. DCPA, dicalcium phosphate anhydrous; DCPD, dicalcium phosphate dehydrate; OCP, octacalcium phosphate; α- and β-TCP, tricalciumphosphate; HA, hydroxyapatite; and TTCP, tetracalcium phosphate. Source: Ref 40 More
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Published: 01 January 2006
Fig. 3 Rusting on a phosphated part after service in a desert environment. The phosphate coating had been blasted off by blowing sand leaving a bare metal surface. Phosphate coatings are specified on 75 to 90% of the parts for small arms. More
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Published: 01 January 2006
Fig. 2 Acid phosphate corrosion of ribbed tubing More
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Published: 01 January 2006
Fig. 4 Calculated zinc dosage for the formation of zinc phosphate scale as a function of pH. The zinc levels shown exceed those recommended by some potable water standards. More
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Published: 01 January 1986
Fig. 15 Secondary electron images of phosphated steel surfaces. (a) A favorable steel sample. (b) A poor steel sample. See text for explanation. More
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Published: 01 January 1986
Fig. 16 AES point analysis from points A and B on the phosphated steel surface shown in Fig. 15(b) . More
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Published: 01 June 2012
Fig. 1 Scanning electron micrograph of a calcium phosphate coating on the surface of a poly (carbonate urethane) substrate, formed by immersion in a concentrated simulated body-fluid-like solution. Courtesy of D.H. Barnes More
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Published: 01 June 2012
Fig. 20 Friction coefficients of a calcium phosphate coating (deposited on a steel substrate) when sliding against an ultrahigh-molecular-weight polyethylene pin at various sliding speeds and in both dry and lubricated conditions More
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Published: 01 June 2012
Fig. 21 Wear track of a calcium phosphate coating after 28 min of sliding at a speed of 40 mm/s (1.6 in./s) in dry conditions More