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surface characterization

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Image
Published: 01 June 2019
Fig. 3 Grain boundary melting and particles on grain surfaces characterize fracture away from center of failure. Magnification 840 times. More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003534
EISBN: 978-1-62708-180-1
... Abstract This article provides information on the chemical characterization of surfaces by Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS), and time-of-flight secondary ion mass spectrometry (TOF-SIMS). It describes the basic theory behind each of these techniques...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006771
EISBN: 978-1-62708-295-2
... Abstract This article covers the three most popular techniques used to characterize the very outermost layers of solid surfaces: Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS), and time-of-flight secondary ion mass spectrometry (TOF-SIMS). Some of the more important...
Image
Published: 01 June 2019
Fig. 7 Laboratory reversed-bending fatigue failure showing a flat, fibrous, transverse fatigue fracture surface containing many secondary cracks, a transverse ductile fracture surface characterized by microvoid coalescence, and a longitudinal overload fracture surface hainvg a shear lip More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001802
EISBN: 978-1-62708-241-9
... Abstract Superelastic nitinol wires that fractured under various conditions were examined under a scanning electron microscope in order to characterize the fracture surfaces, produce reference data, and compare the findings with prior published work. The study revealed that nitinol fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001733
EISBN: 978-1-62708-225-9
... . Fractographic features which characterize this type of failure include necking of the wire near the fracture, 14 shear lip formation, and ductile dimple rupture by microvoid coalescence. 15 Inclusions in the fracture surface seen in Fig. 3 probably initiated the tensile failure. 16 Fig. 3...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001801
EISBN: 978-1-62708-241-9
.... , Surface characterization of implant materials c.p. Ti, Ti–6Al–4V and Ti–6Al–4V with different pretreatments . J. Mater. Sci. Mater. Med. 10 ( 1 ), 35 – 46 ( 1999 ) 10.1023/A:1008840026907 14. Hur S. , The 360° cold bending of Ti–6Al–4V large diameter seamless tube . JOM 51 ( 6...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001734
EISBN: 978-1-62708-234-1
.... Fig. 3 Grain boundary melting and particles on grain surfaces characterize fracture away from center of failure. Magnification 840 times. Other three-dimensional features were seen; these were probably intermetallics left with some grains when the fracture or separation occurred...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001622
EISBN: 978-1-62708-222-8
... will facilitate adequate, cost-effective, and timely identification of the causes of surface discoloration. Selected References Selected References • Newman J.G. , Chemical Characterization of Surfaces , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003558
EISBN: 978-1-62708-180-1
... situations, magnifications between 30 and a few hundred are most useful. In addition to these methods for examining wear scars, a variety of other methods are often used. These procedures can and often do include methods to characterize materials, measure dimensions and surface roughnesses, determine...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001628
EISBN: 978-1-62708-234-1
... of 12,100 ppm (1.21 wt.%). These findings indicate that the oil picked up moisture while the compressor was in use. Moisture can cause corrosion to metallic components. In order to more fully characterize the surface profile in the discolored area, further analyses were performed using X-ray...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001629
EISBN: 978-1-62708-235-8
.... To further characterize the discoloration, nondiscolored and discolored regions of a typical part were analyzed by secondary ion mass spectroscopy (SIMS). This technique is capable of analyzing surfaces to a depth of 10–15 Å, which corresponds to 3 to 5 layers of atoms and has a detection limit on the order...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006758
EISBN: 978-1-62708-295-2
.... The damage characterization gives insight into the factors that allowed for the damage to occur, whether they are design, material process, in-service condition or human factor related. For larger components, penetrant testing (PT) and visual testing (VT) are two surface methods that are able to cover...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001625
EISBN: 978-1-62708-218-1
... Selected References • Newman J.G. , Chemical Characterization of Surfaces , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 527 – 537 10.31399/asm.hb.v11.a0003534 • Materials Characterization , vol. 10 , Metals Handbook , 9th ed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001626
EISBN: 978-1-62708-235-8
... instances. Therefore, an understanding of the advantages and limitations of analysis techniques will facilitate adequate, cost-effective, and timely identification of the causes of surface discoloration. Selected References Selected References • Materials Characterization , vol. 10 , Metals...
Image
Published: 01 June 2019
Fig. 5 Lower magnification SEM of the bolt fracture surface. The shear lip (final overload) is denoted by the arrow. Although the fracture surface was characterized completely by microvoid coalescence, a “ratcheting” effect (suggestive of cyclic crack growth or a somewhat discon-tinuous More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001624
EISBN: 978-1-62708-218-1
... of analysis techniques will facilitate adequate, cost-effective, and timely identification of the causes of surface discoloration. Selected References Selected References • Newman J.G. , Chemical Characterization of Surfaces , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
... and procedures for the quantitative analysis. This is also helpful in determining best standards to use for the analysis. Details of the EDS and XRF techniques are discussed in the article “ X-Ray Spectroscopy ” in Materials Characterization , Volume 10 of the ASM Handbook , 2019. There are several methods...
Image
Published: 15 January 2021
when imaged at lower accelerating voltage (a) than at higher accelerating voltage (b), showing how surface effects are more pronounced at lower accelerating voltages. This additional information can be used to qualitatively characterize the transferred plating. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001627
EISBN: 978-1-62708-222-8
... adequate, cost-effective, and timely identification of the causes of surface discoloration. Selected References Selected References • Newman J.G. , Chemical Characterization of Surfaces , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 527 – 537...