1-20 of 22 Search Results for

Fourier transform infrared spectroscopy

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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
... as compared with the nonstained region. Some carbon and oxygen were detected in both areas, which may be suggestive of organic substances. Fourier transform infrared spectroscopy (FTIR) revealed traces of hydrocarbons and ether/alcohol materials in the stained area, suggesting that the stain was associated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001593
EISBN: 978-1-62708-234-1
.... The techniques utilized included scanning electron microscopy, Fourier transform infrared spectroscopy, differential scanning calorimetry, thermomechanical analysis, and melt flow rate determination. It was the conclusion of the investigation that the part failed via brittle fracture, with evidence also...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001767
EISBN: 978-1-62708-241-9
... analyzed using optical and scanning electron microscopy, Fourier transform infrared spectroscopy (FTIR), and thermogravimetric analysis (TGA). The exterior surfaces of all six brackets were alike and shared similar features, including witness marks, discoloration, mechanical deformation, and secondary...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
...Practical information derived from polymer analysis methods Table 1 Practical information derived from polymer analysis methods Test method Properties measured Use in failure analysis Fourier transform infrared spectroscopy (FTIR) Molecular bond structure Material identification...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
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
...: EDS, energy-dispersive spectroscopy; WDS, wavelength-dispersive spectroscopy; AES, Auger electron spectroscopy; XPS, x-ray photoelectron spectroscopy; TOF-SIMS, time-of-flight secondary ion mass spectrometry; FTIR, Fourier transform infrared (spectroscopy) Auger electron spectroscopy atomic...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001831
EISBN: 978-1-62708-241-9
... used to analyze the microscopic morphologies along with the micro-area compositions of the fracture surface and the contact surface of the bearing’s outer ring. Furthermore, Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy (RS), thermogravimetric analysis (TGA), and x-ray diffraction...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003550
EISBN: 978-1-62708-180-1
... plasticizers. When the quantity of absorbed chemical is great, an infrared spectrum of the plasticized plastic can be obtained by Fourier transform infrared (spectroscopy) (FTIR). An FTIR spectrum of the unplasticized plastic, or a reference spectrum from a spectral library of such, can then be subtracted from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0090460
EISBN: 978-1-62708-234-1
... and hydrolysis of the nylon. A spectral comparison showing this is presented in Fig. 3 . The presence of these bands is consistent with the high level of molecular degradation noted during the visual and SEM examinations. Fig. 3 Fourier transform infrared spectral comparison showing absorption bands...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... Mechanical spectroscopy Viscosity, normal stress difference, shear elastic and loss modulus Infrared (IR) spectroscopy, Fourier transform infrared spectroscopy (FTIR) Chemical functional groups Attenuated total reflectance (ATR) Surface functional groups Nuclear magnetic resonance (NMR...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... (sylvine) 0.1 0.3 … … Na 2 SO 4 (orthorhombic form) … … … 96.6 Na 2 SO 4 (hexagonal form) … … … 2.1 Composition of vinyl gloves used in curing silicone determined by Fourier transform infrared spectroscopy Table 3 Composition of vinyl gloves used in curing silicone determined...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... a fracture surface, the preferred method for sampling is to use microscopy tape to pick up the contaminant directly on a conductive substrate. Alternatively, when a nonmetallic contaminant is analyzed using Fourier transform infrared (FTIR) spectroscopy, the sampling medium, such as a swab or wipe, should...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... may involve the following methods: Molecular spectroscopy. Infrared (IR) or Fourier transform infrared (FTIR) spectroscopy Nuclear magnetic resonance (NMR) spectroscopy Molecular weight (MW) and molecular weight distribution (MWD) using light scattering as well as other secondary...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001517
EISBN: 978-1-62708-217-4
... interstices. Additionally, polarized lighting revealed that the anomalous areas were of a different density than the surrounding resin. Chemical methods were utilized to analyze the anomaly. Fourier Transform Infrared (FTIR) spectroscopy was conducted on resin obtained from the top ply and resin obtained from...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001798
EISBN: 978-1-62708-241-9
... of the failure, a Fault Tree was theoretically built, and the structural variations of the failed encapsulant were characterized compared with the normal encapsulant, using Fourier-transform infrared spectrometer (FTIR), x-ray energy dispersive spectrum (EDS), and differential scanning calorimetry coupled...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... in service, based on surface analysis for residue of penetrant on the crack faces. Micro-Fourier transform infrared spectroscopy, x-ray photoelectron spectroscopy, and secondary ion mass spectroscopy are very sensitive chemical analysis techniques that have been used to test for penetrant residue on crack...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001769
EISBN: 978-1-62708-241-9
.... The presence of organic content indicates the role of bacteria on carbonate accumulation. Fig. 6 Fourier-transform infrared spectrum of ( a ) scale collected from IA/PA mild steel heat exchanger tube and calcium precipitating bacteria cultured ( b ) in laboratory by using isolates collected from IA/PA...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... elastic energy, as in crack propagation, or from stored chemical-free energy, as in phase transformation. Experimental Stress Analysis Experimental stress analysis can be done by several methods, all of which may be valuable in determining machine loads and component stresses that can cause...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0090439
EISBN: 978-1-62708-220-4
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090466
EISBN: 978-1-62708-218-1
... and subsequently lowered the ductility of the molded hinge assemblies. No recommendations were made. Fourier transform infrared analysis Hinges Nylon Thermogravimetric analysis 13% glass-fiber reinforced nylon Brittle fracture A production lot of mechanical hinges had failed during incoming quality...