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microcracks

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Published: 01 June 2019
Fig. 4 Network of microcracks (arrows) on the outside diameter surface of the sleeve (lower portion of the micrograph). More
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Published: 01 June 2019
Fig. 1 Pitting and surface microcracks on the tooth flank of an oil-lubricated nylon driving gear. 37×. Source: Ref 1 More
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Published: 01 June 2019
Fig. 6 Microcracks in flow formed tube More
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Published: 01 December 2019
Fig. 8 Hydrogen induced microcracks emanated from ( a ) elongated FeS, ( b ) acicular MnS inclusion in A216 steel More
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Published: 01 December 2019
Fig. 11 Several pictures depicting the development of microcracks through the adiabatic shear bands in steel More
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Published: 01 December 2019
Fig. 9 The effects of microcracks and deformation in an area More
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Published: 01 December 1992
Fig. 5 SEM fractograph of sample A1H, showing intergranular microcracks. 666×. More
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Published: 01 December 1992
Fig. 6 SEM fractograph of sample A2V, showing intergranular microcracks typical of hydrogen-assisted cracking. 134×. More
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Published: 01 December 1992
Fig. 6 SEM micrograph showing microcracks adjacent to carbide particles. 4000×. More
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Published: 01 June 2019
Fig. 5 Intergranular HAZ Liquation Microcrack Initiation Site for Through-Wall Crack Propagation. More
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Published: 01 June 2019
Fig. 8 Cross Section of Potential HAZ Liquation Microcrack. Arrow Indicates Fusion Boundary. More
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Published: 01 June 2019
Fig. 7 Microcrack formation at grain boundaries. More
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Published: 01 June 2019
Fig. 5 (Top) Transverse specimen shows inclusions and microcracking (250 ×). (Bottom) At 500 × microcracks (arrows) are seen to extend from ferrite matrix through inclusions and into pearlite. More
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Published: 01 June 2019
Fig. 6 Villela-etched roll microstructure showing microcracking across segregated carbide. Matrix is tempered martensite. 500× More
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Published: 01 June 2019
Fig. 2 Microcrack in immediate vicinity of origin of fracture shown in Fig. 1 started from severe pitting corrosion (arrow). Magnification 100 times; 2 pct Nital. More
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Published: 01 June 2019
Fig. 7 Microcracking (arrows) in the resin rich regions of the component. (MAG 50×) More
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Published: 01 December 2019
Fig. 10 Microcrack originating from the circlip groove corner More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001682
EISBN: 978-1-62708-229-7
... fatigue cracks in a bellows convolute. One such crack was recently shown to have initiated from a weld heat-affected zone liquation microcrack. The crack, initially open to the outer surface of the rolled and seam welded cylindrical bellows section, was closed when cold forming of the convolutes placed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001473
EISBN: 978-1-62708-229-7
... notch-sensitive and liable to rupture in a brittle manner. Discontinuities were present in the rims formed by the drain holes drilled in their abutting faces, and possibly enhanced by the stress-raising effect of microcracks in the smeared metal at their surfaces It is probable that the load reached...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001524
EISBN: 978-1-62708-221-1
... the lifetime of the crane, several repairs had been made to the boom. At least a year before the failure, a reinforcing gusset plate had been bolted and welded to this chord at this location. Stereomicroscopy revealed microcracks in the weld metal. A fatigue crack 45 mm (1.8 in.) long was observed to emanate...