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Chromium plating

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Published: 01 September 2008
Fig. 62 Unetched micrograph showing branch cracking and void in chromium plating. (a) Overall view of secondary crack (500 μm). (b) Location G showing void in chromium plating and associated cracking (50 μm). (c) Location H showing cracking along prior-austenite grain boundaries (50 μm) More
Image
Published: 30 April 2021
Fig. 12.3 Optical micrograph of a cross section of porous chromium plating on a ductile iron substrate. The chromium thickness is approximately 50 μm. More
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Published: 30 April 2021
Fig. 13.15 Corrosion of chromium plating on a copper alloy watchcase caused by body fluids More
Image
Published: 01 September 2008
Fig. 47 Micrograph showing quenched and tempered martensite, typical of 300M heat treated to HRC 54 to 55. Note that the chromium plating is intact. More
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Published: 01 September 2008
Fig. 41 As-received notched tensile specimen showing location of fracture. Tensile specimen was fabricated from 4340 steel, heat treated to 1515 MPa (220 ksi), and chromium plated. More
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Published: 01 September 2008
Fig. 61 Secondary branch cracking observed. (a) Overall etched microstructure. (b) Location E, showing cracking on prior-austentite grain boundaries. (c) Location F, showing voids in chromium plating and associated cracking More
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
... stovetops almost from the start of indoor plumbing; the glass keeps the work surfaces rust and scratch free. At almost the same time in history, faucets and related plumbing fixtures were chromium plated for the same reasons: corrosion protection and wear resistance. Chromium is the hardest metal...
Image
Published: 01 September 2008
fracture found at interface between chromium plating and steel (50 μm) More
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Published: 01 July 2000
Fig. 7.1 Examples of pitting corrosion. (a) Pitting and subsequent cracking in a chromium-plated copper sink-drain trap. (b) Pitting in a stainless steel thermos-bottle liner. (c) Pitting in a brass condensate line. (d) Mounds (or tubercles) associated with microbiologically influenced More
Image
Published: 01 November 2007
Fig. 3.18 Surface deletion of chromium near the surface of the plate of alloy AL-6XN (Fe-21Cr-24Ni-6.5Mo-0.2N) after annealing in air at 1120 and 1175 °C (2050 and 2150 °F), respectively. Source: Ref 29 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130351
EISBN: 978-1-62708-284-6
... to 2070 MPa (280 to 300 ksi). The pin was ground and chromium plated. Figure 9 shows the main landing gear (MLG) lever attach pin as received for examination. The magnetic particle inspection indications in the flange are shown in Fig. 10 . Fig. 9 Macrograph documenting the appearance...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... in sealing porous die castings. Industrial Hard Chromium Plating Industrial hard chromium plating is produced by electroplating from a solution containing chromic acid (CrO 3 ) and a catalytic anion in proper proportion. Chromic acid is the source of metal in hard chromium plating baths. However...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270128
EISBN: 978-1-62708-301-0
... on the dovetail area, and chromium plated on the bottom of the blade dovetail. Visual Examination of General Physical Features Figure CH27.1 shows the failed blade. It had failed at the root in the region of transition from the dovetail to the blade airfoil. The fracture surface showed two distinct...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350183
EISBN: 978-1-62708-315-7
... plate 2000 Hot dip galvanized 1000 Hot dip aluminized 500 PVD TiN 2 Plasma sprayed ceramic 10 High-velocity oxyfuel cermet 1000 Spray and fused nickel-chromium 2000 Slurry/sinter formed ceramic <2000 Aluimnum alloy 6082 5 Anodized 300 Anodized + polymer in-fill...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350001
EISBN: 978-1-62708-315-7
..., improved corrosion resistance (e.g., nickel-chromium multilayer coatings, and cadmium and zinc sacrificial coatings), wear resistance (e.g., hard chromium coatings), electrical properties (e.g., copper and silver), and aesthetic appearance (e.g., bright nickel or decorative chromium plating) Electroless...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350195
EISBN: 978-1-62708-315-7
..., for example, chromium oxide, alumina, preferably sealed Cadmium plate, preferably chromate passivated for moderate protection Electroless nickel Heavy electrolytic nickel plating Acidic Environments For acidic environments, consider: Slurry/sinter-formed ceramics (chromium oxide based...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290207
EISBN: 978-1-62708-306-5
... furnace. The surface formed is inert enough to prevent galling due to galvanic corrosion. Chromium Plating Chromium plating is commonly used for automotive and appliance decorative applications, but it is not common for fasteners. Chromium-plated steel fasteners cost approximately as much...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2010
DOI: 10.31399/asm.tb.hss.t52790193
EISBN: 978-1-62708-356-0
... and 1929. The applications were for trim, radiator grilles, and hubcaps that were normally made of chromium-plated steel, which was often not of top quality. The chromium plate frequently developed pits in a few years. For the most part, cars were built to become obsolete in a few years. The manufacturers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2010
DOI: 10.31399/asm.tb.hss.t52790257
EISBN: 978-1-62708-356-0
... in 1795 and named it after the mythological first sons of the earth, the Titans. Gregor discovered titanium in iron-bearing sands of the type known today as ilmenite. 1797 Chromium Discovered Chromium is discovered by German scientist M.H. Klaproth and French analyst Louis Nicolas Vauquelin, who...
Image
Published: 01 July 1997
Fig. 2 Photomicrograph showing a heat-affected zone microfissure in a nickel-chromium alloy. Specimen is a GMAW 44.4 mm (1.75 in.) plate. Electrolytic phosphoric acid etchant. 75x More