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microdiscontinuous coating

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Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001244
EISBN: 978-1-62708-170-2
... Most decorative chromium coatings have been applied using hexavalent and trivalent plating processes that are based on chromic anhydride. This article provides a discussion on chromium electrodeposits and their use as microdiscontinuous coating for corrosion protection. It focuses on the operating...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001245
EISBN: 978-1-62708-170-2
... to evaluate microdiscontinuous chromium coatings, the surface appearance deteriorates more rapidly than in real-world environments. Details of these three tests can be found in ISO 1456 as well as in ASTM standards. The salt spray tests involve the application of the corrosive solution in the form of a spray...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001259
EISBN: 978-1-62708-170-2
... coatings contain either phosphorus or boron as a minor alloying element, and they provide excellent corrosion resistance if they do not contain any microdiscontinuities, such as pores and cracks. Although electrodeposited stainless steel type alloys have been deposited, they have had limited commercial...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003833
EISBN: 978-1-62708-183-2
... or microdiscontinuous chromium coatings over nickel in decorative coatings. The main steps for pretreatment processing are shown in Table 1 . The goal of the pretreatment is to make a smooth and uniform surface. Each step of the pretreatment process is discussed subsequently, with examples of problems that can...
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
... + 0.799 Platinum Pt 4+ 0.90 Gold Au + 1.68 Source: Ref 2 Recommended minimum thicknesses and typical applications for zinc and cadmium coatings electrodeposited on iron and steel Table 6 Recommended minimum thicknesses and typical applications for zinc and cadmium coatings...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003215
EISBN: 978-1-62708-199-3
... shafts. Hard chromium plating is also known as industrial, functional, or engineering chromium plating. DECORATIVE CHROMIUM PLATING is differentiated from hard chromium plating by thickness and by the type of undercoating used. Decorative chromium coatings are very thin, usually...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003215
EISBN: 978-1-62708-199-3
... ╬╝m (0.39 to 0.79 mil). For severe and very severe conditions of exposure, especially where long-time resistance to corrosion is required, multilayer nickel coatings with microdiscontinuous chromium are used. The principal types are double- and triple-layer coatings. Table 9 gives requirements...
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
... coatings, hot-dip coating processes, electrogalvanizing, electroplating, metal cladding, organic coatings, zinc-rich coatings, porcelain enameling, thermal spraying, hardfacing, vapor-deposited coatings, surface modification, and surface hardening via heat treatment. alloy steel cadmium plating...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002470
EISBN: 978-1-62708-194-8
...) that will have to be characterized for fracture resistance. Another development, advocated by Griffith as early as the 1920s, will be the refinement of engineering materials to improve fracture strength. This approach should be viewed in terms of microdiscontinuities (which can be addressed by advancements...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002364
EISBN: 978-1-62708-193-1
... in a component test arrangement, strain gages are usually affixed to the structure at locations indicated by the most densely cracked locations in a brittle lacquer coating. When used in an analysis, these strains are converted to stress using the modulus of elasticity. Why not use the strains directly...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.9781627081993
EISBN: 978-1-62708-199-3
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005967
EISBN: 978-1-62708-166-5