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transmission electron microscopy

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Published: 30 August 2021
Fig. 22 Transmission electron microscopy analysis of precipitate microstructures. (a) Precipitates in the weld. (b) and (c) Selected-area electron diffraction results of the carbides More
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Published: 15 January 2021
Fig. 29 Transmission electron microscopy replica of tongues on a fracture surface of iron. Source: Ref 19 More
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Published: 15 January 2021
Fig. 32 (a) Examples of fans in a two-stage transmission electron microscopy replica of a cleavage fracture surface of iron. The river lines point back to the crack initiation site. (b) Fans on scanning electron microscopy image. Source: Ref 20 , 22 More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001490
EISBN: 978-1-62708-232-7
..., transmission electron microscopy, optical microscopy, and x-ray microanalysis in conjunction with dimensional analysis, phase diagrams and thermodynamics considerations were employed to evaluate the various hypotheses. All evidence pointed to an oxide mass in the area where the hole developed, likely...
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Published: 01 January 2002
fractograph. (d) Light fractograph of replica. (e) Scanning electron microscopy fractograph of replica. (f) Transmission electron microscopy fractograph of replica More
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Published: 15 May 2022
Fig. 2 Schematic diagrams of (a) halloysite crystalline structure and (b) halloysite nanotubes. Images of halloysite nanotubes by (c) transmission electron microscopy (TEM) and (d) atomic force microscopy (AFM). Source: Ref 17 More
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Published: 15 January 2021
Fig. 13 Mud cracks on the fracture surface of a quenched and tempered 4340 steel exposed to a marine environment. Transmission electron microscopy replica More
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Published: 15 January 2021
Fig. 12 Mud cracks on the surface of an intergranular fracture in 7079-T651 aluminum that failed under stress-corrosion cracking conditions in a 3.5% chloride solution. Transmission electron microscopy replica More
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Published: 15 January 2021
Fig. 6 High-cycle fatigue in D6AC steel at Δ K > 60 MPa m (54.6 ksi in . ). (a) Macroscopic view of rapid fatigue growth under plane-stress conditions. (b) High-quality transmission electron microscopy replica showing elongated shear dimples from fatigue region More
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Published: 15 January 2021
Fig. 54 High-cycle fatigue in D6AC steel at Δ K > 60 M P a m (54.6 ksi in .). (a) Macroscopic view of rapid fatigue growth under plane-stress conditions. (b) High-quality transmission electron microscopy replica showing elongated shear dimples from fatigue region More
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Published: 15 January 2021
electron microscopy replica. Original magnification: 2680× More
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Published: 15 January 2021
but more probably sites of previous intergranular inclusions. The corrosion debris may be seen projecting from the fracture surfaces. Transmission electron microscopy; original magnification: 6600× More
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Published: 15 January 2021
at the left, with pronounced cleavage steps on its right-hand slope. The corrosion debris remaining from service and extracted by the replica may be seen projecting from the surface. Transmission electron microscopy; original magnification: 2400× More
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Published: 01 January 2002
electron microscopy fractographs of four locations on the fracture surface. 7500×. Intergranular modes of fracture are shown in (b) and (c); a transgranular mode, typical of corrosion fatigue, is shown in (d). The fractograph in (e) was taken in the region of crack arrest and indicates an intergranular More
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Published: 01 June 2019
electron microscopy fractographs of four locations on the fracture surface. 7500×. Intergranular modes of fracture are shown in (b) and (c); a transgranular mode, typical of corrosion fatigue, is shown in (d). The fractograph in (e) was taken in the region of crack arrest and indicates an intergranular More
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Published: 30 August 2021
) Transmission electron microscopy fractographs of four locations on the fracture surface. Original magnification of all: 7500×. Intergranular modes of fracture are shown in (b) and (c); a transgranular mode, typical of corrosion fatigue, is shown in (d). The fractograph in (e) was taken in the region of crack More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0091475
EISBN: 978-1-62708-225-9
... , and intergranular separation, as shown in the stereo pair of Fig. 3 , which is characteristic of hydrogen embrittlement of high-stress steels. Debris from the final reaction to which the part was exposed has resulted in artifacts on the transmission electron microscopy (TEM) replicas, but there appears...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0045918
EISBN: 978-1-62708-235-8
... on selected-area diffraction is provided in the article “Analytical Transmission Electron Microscopy” in Volume 10 of ASM Handbook , formerly 9th Edition Metals Handbook ). The diffraction pattern obtained most closely matched the pattern for niobium tetrafluoride. Auger analyses were conducted...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001681
EISBN: 978-1-62708-234-1
...). To assist in this procedure, a microstructural analysis was made of the cast components. This involved optical microscopy (OM), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and scanning transmission electron microscopy (STEM). IN SEM and STEM, microchemical analyses were...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006448
EISBN: 978-1-62708-217-4
... ( Fig. 1f ). Metallographic examination showed that the pitting progressed in an intergranular corrosive pattern ( Fig. 1g ). The microstructure was acceptable for type 440C martensitic stainless steel. Electron optical examination of the fractures by transmission electron microscopy produced...