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chromate conversion coating

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001275
EISBN: 978-1-62708-170-2
...Abstract Abstract This article briefly describes the basic attributes of chromate conversion coatings and the processes for applying them. It provides information on the influence of substrate microstructure on the performance of coating deposits and on the mechanism of substrate protection...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003679
EISBN: 978-1-62708-182-5
... and substrates Coating Coating resistance, Ω · cm 2 Bare aluminum alloys 0.005 Sputter-deposited high-purity aluminum 0.5–1.0 Poor conversion coatings 0.1–1.0 Good conversion coatings 1–5 Sealed anodized coatings 10 Painted surfaces >10 Major classes of chromate...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006521
EISBN: 978-1-62708-207-5
...Abstract Abstract Chemical conversion coatings are adherent surface layers of low-solubility oxide, phosphate, chromate, and chromate-free compounds produced by the reaction of suitable reagents with the metallic surface. This article provides an overview on chromate-free coatings, along...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001323
EISBN: 978-1-62708-170-2
... rating. (b) Significant uncertainty due to testing method or speculated effects based on metallurgical properties Coating characteristics of chromate conversion coating and prospective alternative processes Table 3 Coating characteristics of chromate conversion coating and prospective...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003217
EISBN: 978-1-62708-199-3
.... It describes continuous electrodeposition for steel strip and babbitting and discusses phosphate and chromate conversion coatings as well. It also addresses painting, discussing types and selection, surface preparation, and application methods. In addition, the article describes rust-preventive compounds...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003217
EISBN: 978-1-62708-199-3
... continuous electrodeposition for steel strip and babbitting and discusses phosphate and chromate conversion coatings as well. It also addresses painting, discussing types and selection, surface preparation, and application methods. In addition, the article describes rust-preventive compounds...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006027
EISBN: 978-1-62708-172-6
...: GalvInfo Center Abstract Abstract This article provides a brief discussion on the common types of overlayers that can be used on a metal surface to protect it from corrosion. These overlayers include phosphate, chromate, and chromate-free conversion coatings; hot dip galvanizing; cementitious...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003212
EISBN: 978-1-62708-199-3
... related directly or indirectly to surface engineering processes. This is particularly applicable for solvent cleaning procedures, cadmium and chromium electroplating, chromate conversion coatings, and organic coatings containing high amounts of volatile organic compounds (solvents). The chemicals used...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003212
EISBN: 978-1-62708-199-3
... applicable for solvent cleaning procedures, cadmium and chromium electroplating, chromate conversion coatings, and organic coatings containing high amounts of volatile organic compounds (solvents). The chemicals used for such processes may pose serious health and environmental hazards. For information about...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003827
EISBN: 978-1-62708-183-2
... being released from the surface with light rubbing or abrasion. Chromate conversion coatings provide reasonable protection for beryllium during handling and storage and against attack by salt-containing environments for moderately long time periods. One investigation demonstrated the ability...
Book Chapter

Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0006541
EISBN: 978-1-62708-183-2
...+paint or resin seal C Cadmium, beryllium Chromate conversion coating+paint or resin seal D Aluminum, Al-Mg, Al-Zn Anodic coating+paint or resin seal E Aluminum-copper Anodic coating+paint or resin seal F Steel, carbon and low alloy Metallic coating, sacrificial (Zn) or nonsacrificial...
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
... surface are governed by the subsequent finishing operations. For example, plating or the application of chromate or another mild-reaction conversion coating requires cleaning procedures that are somewhat more stringent than for anodizing. When establishing a cleaning cycle or when testing different...
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
... of Cadmium Selective Plating Rinsing and Drying Hydrogen Embrittlement Tests for Adhesion of Plated Coatings Chromate Conversion Coatings Other Postplating Processes Still Tanks Barrels Automatic Plating Machines Rinse Tanks Racking Maintenance Throwing Power Example...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004125
EISBN: 978-1-62708-184-9
.... MIL-S-5002, “Surface Treatments and Inorganic Coatings for Metal Surfaces of Weapon Systems,” is the military specification for the surface preparation and pretreatment of virtually every Navy aircraft and weapon system. The two primary surface pretreatments for naval aircraft are chromate conversion...
Book Chapter

By Nabil Zaki
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001257
EISBN: 978-1-62708-170-2
.... Several zinc alloy processes are currently in commercial use. The choice of a particular process depends on the end-product requirements and conditions of use. Available alloys are zinc-iron, zinc-cobalt, zinc-nickel, and tin-zinc. As in unalloyed zinc plating, chromate conversion coating post-treatments...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004126
EISBN: 978-1-62708-184-9
... Conversion coatings used on military equipment include chromate conversion coatings on aluminum, cadmium, and zinc-base products such as galvanize or zinc die castings. Electroless nickel, zinc and manganese phosphate, and black oxide are considered conversion coatings on steel. See the articles “Phosphate...
Book Chapter

By A. Sato
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001248
EISBN: 978-1-62708-170-2
... objective. Electroplated zinc without subsequent treatment becomes dull gray in appearance after exposure to air. Bright zinc that has been subsequently given a chromate conversion coating or a coating of clear lacquer (or both) is sometimes used as a decorative finish. Such a finish, although less durable...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003687
EISBN: 978-1-62708-182-5
..., military hardware, electronic parts for tropical service Clear 12–24 Iridescent 24–72 Olive drab 72–100 Very severe (see above) (b) 25 1 None … … Clear 24 Iridescent 24–72 Olive drab 72–100 (a) Thickness specified is after chromate conversion coating, if used. (b...
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
... carbon steel chromate conversion coatings chromium plating cleaning conversion coatings electrochemical finishing electrogalvanizing electroless nickel plating electroplating finishing hardfacing heat treatment high-strength low-alloy steel hot dip coatings ion implantation laser surface...
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
... satisfactorily in many applications without subsequent finishing. However, a variety of finishes are used for improved corrosion protection or appearance: conversion coatings, such as chromate, phosphate, and anodize; organic paint of various types; and metallic coatings, including electroplating, electroless...