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Chromium-plated steel

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Published: 01 January 2002
Fig. 25 Failed chromium-plated blanking die made from AISI A2 tool steel. (a) Cracking (arrows) that occurred shortly after the die was placed in service. (b) Cold-etched (10% aqueous nitric acid) disk cut from the blanking die (outlined area) revealing a light-etching layer. Actual size. (c More
Image
Published: 30 August 2021
Fig. 25 Failed chromium-plated blanking die made from AISI A2 tool steel. (a) Cracking (arrows) that occurred shortly after the die was placed in service. (b) Cold-etched (10% aqueous nitric acid) disk cut from the blanking die (outlined area) revealing a light-etching layer. Actual size. (c More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001019
EISBN: 978-1-62708-217-4
... temperatures, as indicated by melting in the brass components and the extreme distortion in the rollers. Microscopic examination on the crankshaft material showed it to be a good quality steel. On the other hand, the chromium plate was thick, porous, and cracked in many places, including the point of the main...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001694
EISBN: 978-1-62708-222-8
.... Austenite Bicycles Chromium plating Grain boundaries Metallography Chromium-plated steel Hydrogen damage and embrittlement Surface treatment related failures A number of vehicle accidents and failures have been evaluated over the years. These range from aircraft accidents, to railroad locomotive...
Image
Published: 01 June 2019
Fig. 1 Scoring damage caused by chipping of chromium plating on a 4340 steel cylinder. (a) Scoring on the cylinder. (b) Scoring on a mating cast aluminum alloy B850-T5 bearing adapter. (c) Cross section through a deep score mark in the aluminum alloy adapter revealing a large embedded particle More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001229
EISBN: 978-1-62708-223-5
... or during operation. Chromium plating Saw blades Chromium-plated steel Surface treatment related failures Fatigue fracture Hydrogen damage and embrittlement Two slitting saw blades were delivered for the purpose of determining the cause of damage. One had cracked while the other one came...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048397
EISBN: 978-1-62708-226-6
... Abstract A large portion of the four-hole Lane plate disintegrated and consisted mainly of corrosion products after remaining in the body for 26 years. Transformation structures and carbides were exhibited by the plate which was made from chromium steel. Minimal corrosion was exhibited...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001418
EISBN: 978-1-62708-231-0
... a period of service suggests that initially it may have been slightly below the surface of the machined pin and some slight extension outwards took place in service. Chromium plating Crankshafts Nonmetallic inclusions Chromium-plated steel Fatigue fracture Very few failures in general...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001291
EISBN: 978-1-62708-215-0
... Abstract Examination of several fighter aircraft main landing gear legs revealed unusual cracking in the hard chromium plating that covered the sliding section of the inner strut. The cracking was associated with cracks in the 35 NCD 16 steel beneath the plating. A detailed investigation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0046366
EISBN: 978-1-62708-236-5
... Abstract Several large chromium-plated 4340 steel cylinders were removed from service because of deep longitudinal score marks in the plating. One of the damaged cylinders and a mating cast aluminum alloy B850-T5 bearing adapter that also exhibited deep longitudinal score marks were submitted...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001722
EISBN: 978-1-62708-236-5
... Stress concentration Heat-treated steels Fatigue fracture On page 165 of Volume II of this series of Reports a case was reported of the failure by fatigue cracking of two chromium-plated Diesel-engine crankshafts. Another case of failure from a similar cause has since been investigated. The part...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0048665
EISBN: 978-1-62708-217-4
... Abstract The jackscrew drive pins on a landing-gear bogie failed when the other bogie on the same side of the airplane was kneeled for tire change. The pins, made of 300M steel, were shot peened and chromium plated on the outside surface and were cadmium plated and painted with polyurethane...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006448
EISBN: 978-1-62708-217-4
... Abstract Three wing flap hinge bearings were received by the laboratory for analysis. The bearings were fabricated from chromium-plated type 440C martensitic stainless steel. The intergranular fracture pattern seen in the electron fractographs, coupled with the corrosion pits observed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001539
EISBN: 978-1-62708-236-5
... Abstract Overhaul mechanics discovered a crack in an AISI 4340 Cr-Mo-Ni alloy steel pivot bolt when grinding off the chromium plating. The bolt had served for an estimated 10,000 h and was replated when last overhauled. On checking the bolt, several fine cracks were found on the surface...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001552
EISBN: 978-1-62708-217-4
... generation which induced grinding cracks and grinding burn. Tensional stresses resulting from grinding developed in a thin surface layer. On another crankshaft, chromium plating introduced undesirable residual tensile stresses. Such plating is an unsatisfactory finish for crankshafts of aircraft engines...
Image
Published: 01 January 2002
Fig. 6 Failed historic Lane plate. (a) Heavily corroded Lane plate from chromium steel. Implant was retrieved after 26 years. (b) Longitudinal section parallel to plate with large corrosion holes. 190├Ś. (c) Microprobe analysis of tissue surrounding the plate. Chromium and iron corrosion More
Image
Published: 01 June 2019
Fig. 1 Failed historic Lane plate. (a) Heavily corroded Lane plate from chromium steel. Implant was retrieved after 26 years. (b) Longitudinal section parallel to plate with large corrosion holes. 190x. (c) Microprobe analysis of tissue surrounding the plate. Chromium and iron corrosion More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001520
EISBN: 978-1-62708-235-8
... Abstract Two types of chromium-plated hydraulic cylinders failed by cracking on their outer surfaces. In one case, the parts had a history of cracking in the nominally unstressed, as-fabricated condition. In another, cracks were detected after the cylinders were subjected to a pressure impulse...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001542
EISBN: 978-1-62708-217-4
..., large non-metallic inclusions near the chromium-plated ID of the cylinder. Also, there were breaks in the chromium plate and pits in the underlying base metal. The cylinder had been in service for 18,017 h, and 5948 h had passed since the first and only overhaul. Substandard plating of the ID...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001046
EISBN: 978-1-62708-214-3
... alloy C-276) were placed directly in the hot gas stream, containing HCl and Cl2, for in situ testing. Results of this investigation showed that nickel-chromium corrosion-resistant alloys, such as Inconel 600, Inconel 625, and Inco alloy C-276, performed well in this environment. Laboratory testing...