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plate flatness

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Image
Published: 01 June 2019
Fig. 2 (a) Fracture surface of the femoral compression plates showing flat and slant region; (b) and (c) detail of the flat region showing fatigue striations associated with secondary cracking More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001199
EISBN: 978-1-62708-235-8
... Abstract Lakes in zinc die castings are areas encompassed by irregular lines or waves on flat or slightly contoured surfaces which are intended to look uniform. The laked areas have to be removed by polishing before the castings can be plated. This adds considerably to the overall cost...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c9001567
EISBN: 978-1-62708-230-3
... Abstract A falling film black liquor evaporator consisted of flat twin plate heat exchangers and was used to increase black liquor solids content prior to its burning in the recovery boiler. Several plate heat exchangers were fabricated of AISI type 316L stainless steel by electric resistance...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001261
EISBN: 978-1-62708-219-8
... Abstract A ceiling in a concrete structure was hung on flat bars with a cross section of 30 x 80 mm. The bars were borne by a slit steel plate and supported by tabs that were welded onto the flat sides. One of the bars fractured during mounting when it was dropped from a height of about 1 m...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047192
EISBN: 978-1-62708-235-8
... Abstract Fracture of a cadmium-plated accumulator ring forged from 4140 steel was discovered during inspection and disassembly of a hydraulic-accumulator system stored at a depot. The ring had broken into five small and two large segments. The small segments of the broken ring displayed very...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048421
EISBN: 978-1-62708-226-6
... Abstract Wear on a titanium screw head with a lip of material that that was transported by fretting at a plate-hole edge was studied. A flat fretting zone was visible on the screw surface over the material lip. A cellular wear structure containing wear debris was found. No morphological signs...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001298
EISBN: 978-1-62708-215-0
..., there was an absence of significant amounts of corrosion product and all of the pits were filled with corrosion-preventative primer. This indicated that the pitting occurred during spar manufacture, prior to the application of the primer The pitting resulted from multiple nickel plating and defective plating removal...
Image
Published: 01 December 1992
Fig. 8 Charpy impact test results for the fractured flange plate. Note the atypical transition curves, which are flat over the entire temperature range, and the excellent agreement between laboratories. ETI, Effects Technology, Inc.; NBD, National Bureau of Standards; AGC, Aerojet General, CK1 More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001690
EISBN: 978-1-62708-226-6
... plates presented fractured along one of the screw holes ( Fig. 1 a and 1b). The fracture surfaces of both plates are composed of two distinct areas that are 90% flat region and 10% slant region ( Fig. 2 a, arrows A and B, respectively). The detail of the flat regions showed fatigue striations...
Image
Published: 15 January 2021
Fig. 57 Liquid metal embrittlement in two aluminum alloy 2024-T4 plates that were wetted with liquid mercury and then loaded to fracture in tension. Fracture occurred rapidly at a stress well below the nominal yield strength of the plates. Visible on each fracture surface is a flat, mercury More
Image
Published: 01 January 2002
Fig. 20 Fatigue-fracture zones in aluminum alloy 7075-T6 plates. (a) Fatigue crack that grew as a flat-face fracture with a shallow convex crack front. (b) Change in orientation of fatigue fracture from plane strain (arrow A) to plane stress (arrow B). More
Image
Published: 15 January 2021
Fig. 29 Fatigue fracture zones in aluminum alloy 7075-T6 plates. (a) Fatigue crack that grew as a flat-face fracture with a shallow convex crack front. (b) Change in orientation of fatigue fracture from plane strain (arrow A) to plane stress (arrow B) More
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
...-flat” cracking pattern ( Fig. 4 ), typified by extensive networks of narrow, randomly oriented cracks. The steel surface below the plating had been shot peened. This peening is usually carried out before plating to eliminate any residual tensile stress in the surface of the part; steels hardened...
Image
Published: 01 January 2002
Fig. 18 Profile of fracture path in a notched-bar specimen taken from the long-transverse direction of HY-100 steel plate with a severely banded microstructure (alternating bands of ferrite and “granular” ferrite). Loading direction was perpendicular to the bands. Fracture is reported More
Image
Published: 15 January 2021
Fig. 18 Profile of fracture path in a notched-bar specimen taken from the long-transverse direction of HY-100 steel plate with a severely banded microstructure (alternating bands of ferrite and “granular” ferrite). Loading direction perpendicular to the bands. Fracture is reported to initiate More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001782
EISBN: 978-1-62708-241-9
... groove on interior surface of club face plate. (Color figure online) The club head face plate was further sectioned to expose the mating crack surfaces transversely propagating across the plate, and stereoscopic examination revealed a relatively flat fracture profile consistent with a progressive...
Image
Published: 01 June 2019
Fig. 4 (a) Failure of a stainless steel femoral nail plate in the region with severe reduction in thickness; (b) presence of manufacturing defects on the nail surface, such as cutting-edge and machining marks (see arrow C); (c) general view of the fracture surface showing two flat regions More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001360
EISBN: 978-1-62708-215-0
... In order to examine the fracture surfaces at low magnification, the four rivets attaching the blade and the backer plate to the spider arm were removed. Fig. 2 shows the fractured blade still attached to the backer plate by three clips. Fig. 2 Fractured blade still attached to backer plate (lower...
Image
Published: 01 January 2002
Fig. 9 Plastic mold die made from AISI S7 tool steel that was found to be cracked before use. A crack followed the lower recessed contour of the large gear teeth and had an average depth of 1.6 mm ( 1 16 in.). Smaller cracks were also observed on the flat surfaces. (a) Actual size More
Image
Published: 30 August 2021
Fig. 9 Plastic-mold die made from AISI S7 tool steel that was found to be cracked before use. A crack followed the lower recessed contour of the large gear teeth and had an average depth of 1.6 mm ( 1 16 in.). Smaller cracks were also observed on the flat surfaces. (a) Actual size More