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Image
Published: 01 January 2002
Fig. 28 (a) AISI 420 stainless steel mold containing a defect (arrow) observed after polishing the inside diameter surface. (b) Microscopic examination revealed a large silicate inclusion (unetched). More
Image
Published: 15 January 2021
Fig. 22 (a) AISI 420 stainless steel mold containing a discontinuity (arrow) observed after polishing the inside-diameter surface. (b) Microscopic examination revealed a large silicate inclusion (unetched). More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001386
EISBN: 978-1-62708-215-0
... Abstract Two type 420 martensitic stainless steel load cell bodies, which had been installed under two of the four legs of a milk storage tank failed in service. The failure occurred near a change in section and involved fracture of the entire cross section. Examination showed a brittle...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001074
EISBN: 978-1-62708-214-3
... Abstract A cast housing, part of a multi-shaft yoking mechanism, failed during assembly and installation of the equipment in which it was to be used. The housing, or yoke body, was cast from AISI 420 grade ferritic stainless steel. Analysis revealed that the failure was caused by the presence...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0045911
EISBN: 978-1-62708-230-3
... Abstract Within the first few months of operation of an 8 km (5 mile) long 455 mm (18 in.) diam high-pressure steam line between a coal-fired electricity-generating plant and a paper mill, several of the Inconel 600 bellows failed. The steam line operated at 6030 kPa (875 psi) and 420 deg C...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001231
EISBN: 978-1-62708-232-7
... Abstract The rim of a gear wheel of 420 mm width and 3100 mm in diam broke after four years of operation time in a sheet bar three-high rolling mill. The rim was forged from steel with about 0.4C, 0.8Si and 1.1Mn. The rim started to break in the tooth bottom from a fatigue fracture which...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001677
EISBN: 978-1-62708-222-8
... that should be applied when analyzing failures of unknown origin. Fractography Spoons Tableware 420 UNS S42000 Fatigue fracture A good deal of speculation and controversy surrounds the area of paranormal effects on metals. This area caught the public's attention with the emergence of Uri...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001805
EISBN: 978-1-62708-241-9
... delamination brittle cleavage SEM/EDS analysis tensile yield strength 420 (martensitic stainless steel) UNS S42000 AMS 2404E (electroless nickel plating) Background Surgical tools are defined as any device or instrument used during a surgical procedure. These tools range from simple knives...
Image
Published: 01 June 2019
Fig. 6 Precipitates on lattice planes and twin planes of former austenite. Etch: Picral. approx. 420 × More
Image
Published: 01 December 2019
Fig. 18 Metallographic image of a typical cable stop. This martensitic microstructure is consistent with type 420 stainless steel (approximately ×1000) More
Image
Published: 01 June 2019
Fig. 3 Corrosion pitting and cracking appeared under the green (G) epoxy primer and gray paint (P) near the start of fracture of Fig. 2 . Magnification 420 times. More
Image
Published: 01 December 2019
Fig. 6 Variation of maximum von Mises stress ( a ) and maximum principal strain ( b ) until steady state is reached. The corresponding maximum value distributions at critical die location are also shown. The simulation conditions and die configuration are temperature = 420 °C, strain rate = 1 More
Image
Published: 15 January 2021
. The scanning electron fractograph (b) shows the fracture appearance characterized by poorly-formed shear dimples and particle dragging. (a) Electrolytically etched with oxalic acid. Original magnification: 84×. (b) Original magnification: 420×. Courtesy of W.E. White, Petro-Canada Ltd. More
Image
Published: 01 January 2002
). Etched with 3% nital. 420× More
Image
Published: 30 August 2021
retained austenite and coarse plate martensite). Etched with 3% nital. Original magnification: 420× More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
... cases for each parameter are considered. The details are shown in Table 1 . For the effect of temperature, flow curves of billet material at three temperatures, 300, 420, and 540 °C, are used as simulation inputs. These flow curves are considered at average strain rate of 1 s –1 . Bearing land of 8 mm...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090451
EISBN: 978-1-62708-218-1
.... This transition, at 215 °C (420 °F), suggested the melting of annealed crystals, indicating that the part had been exposed to a temperature approaching 215 °C (420 °F). The thermal shock testing appeared to be the only possible source of this thermal exposure. Analysis of the molding resin also produced...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001746
EISBN: 978-1-62708-217-4
... out radiating river markings. Magnification 6.3 times. Fig. 3 Corrosion pitting and cracking appeared under the green (G) epoxy primer and gray paint (P) near the start of fracture of Fig. 2 . Magnification 420 times. Fig. 4 illustrates eyebolts which broke when used to lift...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001251
EISBN: 978-1-62708-235-8
.... Etch: Picral. approx. 420 × Fig. 7 Precipitates in grain boundaries and planes, unetched section of outer zone of flange disk. 1500 × Fig. 8 Precipitates in grain boundaries and planes, unetched section of outer zone of flange disk. 1500 × The optical examination...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001233
EISBN: 978-1-62708-232-7
... channel on entering Group 1 of the recuperator was 1150 to 1200°C, falling in Group 1 to 1125°C, in Group 2 to 1050 to 1000°C and in Group 3 to 860 to 840°C. The air was heated to 420 to 450°C in Group 3, to 580 to 640°C in Group 1 and to 750 to 820°C in Group 2. Theoretically the maximum wall temperature...