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surface flatness

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Published: 01 December 2019
Fig. 5 The flatness of the cylinder head surface (where connected to engine block) More
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Published: 01 June 2019
Fig. 4 Electron micrographs of the band surface (a) and the flat fracture surface adjacent to the band (b). The dimples on the band surface were small, poorly formed and widely spaced (a). More
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Published: 30 August 2021
Fig. 68 (a) Outer-surface low-magnification view of flat surface surrounding the rupture. Original magnification: 12×. (b) Scanning electron microscope image showing directional flow marks. Original magnification: 100× More
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Published: 01 January 2002
Fig. 14 Marks produced by a machined surface fretting against a polished flat More
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Published: 01 June 2019
Fig. 1 Fracture surface of coiled steel tubing showing a flat fracture (arrow) indicative of fatigue More
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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
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Published: 01 June 2019
Fig. 4 Fatigue striations typical of the flat fatigue surface (region A of Fig. 3(b) ). Magnification 2000×. Clearly defined fatigue striations from region B (of Fig. 3(b) ). Magnification 1800×. More
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Published: 01 June 2019
Fig. 12 Superheater Failure - Note flat oxidized surface with ratchet marks (arrows). More
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Published: 15 January 2021
Fig. 16 Slider-on-flat-surface testing rig. (a) Overview. (b) Tool holder with load cells and actuator (A, normal load; B, friction force; C, load actuator). (c) Testing progression. Adapted from Ref 52 More
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Published: 01 December 1992
Fig. 5 Appearance of flat fracture surface emanating from a thread for the bearing retainer nut, adjacent to the keyway. More
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Published: 01 December 1992
Fig. 4 SEM micrograph of flat surface fracture showing intergranular cracking. More
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Published: 01 December 2019
Fig. 8 Detail of the flat fracture surface outside of the origin thumbnail, exhibiting a mottled or feathery morphology More
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Published: 01 December 2019
Fig. 2 SEM image that shows candy cane structure on outside surface and flat fracture surface on torsional fracture More
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Published: 01 December 1993
Fig. 5 (a)Close view of fracture surface and bolt hole B. Flat fracture region is nominally perpendicular to tensile hoop stress .Slant fracture surface is inclined to tensile hoop stress. (b) Macroview of fracture, including bolt hole B, showing chevrons indicating brittle crack propagation More
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Published: 01 December 1993
Fig. 2 Tail rotor blade spar failure surface showing flat fracture, reflective facets, and a dark spot at the arrow. Approximately. 0.95× More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0051866
EISBN: 978-1-62708-228-0
... Abstract Coiled tubing used in drilling operations failed at the halfway point of its estimated fatigue life. The failure was found to be transverse to the tubing axis. Visual examination revealed a flat fracture surface extending 13 mm with the rest of the fracture showing shear lips...
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.bldgs.c0048039
EISBN: 978-1-62708-219-8
... a nick in side of wire; B, a bright, smooth area containing fatigue marks. (d) Longitudinal section of 0.6-mm-diam wire etched in 2% nital showing necked region. 55×. (e) 2% nital-etched longitudinal section through 1.6-mm-diam wire showing cold working at A, flat-type fracture surface at B...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046210
EISBN: 978-1-62708-235-8
... drilling, giving rise to surface defects. The fracture surface was characteristic of fatigue in that it was flat, relatively shiny, and exhibited beach marks. The crack surface was at a 45 deg angle to the axis of the shaft, indicating dominant tensile stresses. The material was the French designation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001014
EISBN: 978-1-62708-223-5
... the exteriors of the parts were clean and smooth, and there was evidence of a case. Examination of the flat surfaces of the parts revealed surface cracking where actual failure had not occurred. Chemical analysis showed the material to be a low-alloy carburizing steel. The microstructure was compatible...