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Published: 30 August 2021
Fig. 29 ASTM International A 356, grade 6 (1.25%Cr-0.5%Mo) cast steel turbine casing that failed by cracking. (a) Segment removed from the casing, showing the fracture surface at right. A large porosity defect can be seen at the upper-right corner, near the broken-open tapped hole. (b) to (e More
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Published: 30 August 2021
Fig. 11 Still images from Florida International University, Miami, FL, parking garage video camera on March 15, 2018, showing east views of pedestrian bridge (a) precollapse and (b) postcollapse. Source: Ref 24 More
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001049
EISBN: 978-1-62708-214-3
... Abstract Routine inspections of a carbon steel wood pulp digester revealed a sharply increasing number of cracks in the overlay metal on the internal surface of the digester after 1 and 2 years of service. The weld overlay was composed of type 309 stainless steel on the top fourth...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001446
EISBN: 978-1-62708-234-1
... of internal laminations constitutes an objectionable feature in the plates of vessels where heat transfer through the plates is required, particularly in the furnace rings of shell boilers. The laminations form an interruption to the heat path and instances are on record where overheating of the fireside...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001062
EISBN: 978-1-62708-214-3
... Abstract The causes of internal cracking that occurred in 9% Ni steel castings during manufacture were investigated using a series of eight laboratory castings containing varying amounts of molybdenum. The effect of mold thickness was also investigated. The laboratory castings were subjected...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001445
EISBN: 978-1-62708-227-3
... longitudinally through the upper wall over a length of approximately 68 in. The sample received for examination was ultrasonically tested, which indicated a band of internal defects extending 1 in. in from the edge. Subsequently, the portion of the pipe embodying the other side of the rupture was obtained...
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Published: 01 June 2019
Fig. 2 Removal of material from the internal wall of the wider pipe close to the inserted end of the narrower pipe. 3× More
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Published: 01 June 2019
Fig. 5 Internal surface (air side). Surface microstructure of a pipe from Group 2. Cross section, unetched. 200× More
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Published: 01 June 2019
Fig. 7 Internal surface(air side). Surface microstructure of a pipe from Group 3 Cross section, unetched. 200× More
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Published: 01 June 2019
Fig. 3 Views of the scaled heating element. Fractures with internal voids. 1× More
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Published: 01 June 2019
Fig. 1 Narrow-headed arrows show porosity internal to the casting. The wide-head arrows show the ratchet marks—an indication here that the crack has started in multiple locations along the inside surface. More
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Published: 01 June 2019
Fig. 9 Internal view More
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Published: 01 June 2019
Fig. 1 Defects on Internal Surface of Steam Pipe. (× 1 2 ). More
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Published: 01 June 2019
Fig. 3 Form of cracking from internal surface (× 50). More
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Published: 01 June 2019
Fig. 7 Internal surface of bone plate (bone side) and fatigue cracks observed (SEM micrographs) More
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Published: 01 June 2019
Fig. 8 Energy-dispersive x-ray spectrum of some debris collected on the internal surface of a BFA after repeated use. The same spectrum was characteristic of the debris from one of the three larger fragments from the exploded BFA ( Figure 4 ). More
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Published: 01 June 2019
Fig. 2 Internal view. 0.2 × More
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Published: 01 June 2019
Fig. 5 Composite X-ray imaging of inclusions adjacent to the internal crack that were identified as titanium carbides. More
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Published: 01 June 2019
Fig. 3 Appearance of internal face of cylinder end showing duplex nature of fracture. More
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Published: 01 June 2019
Fig. 1 Heavily corroded internal wall and split in one half of a longitudinally sectioned elbow. 1 × More