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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
... Fourier Transform Infrared Spectroscopy The sample of the molding resin and the failed part were analyzed using micro-Fourier transform infrared spectroscopy (FTIR) in the attenuated total reflectance (ATR) mode. The results obtained on the sensor body yielded an excellent match with those obtained...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006931
EISBN: 978-1-62708-395-9
... the characterization of plastics by infrared and nuclear magnetic resonance spectroscopy, differential scanning calorimetry, differential thermal analysis, thermogravimetric analysis, thermomechanical analysis, and dynamic mechanical analysis. The article also discusses the use of X-ray diffraction for analyzing...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006871
EISBN: 978-1-62708-395-9
... absorption in the visible range (its color) and in the infrared (IR) range. Black panel sensors (as described in ASTM G179, Ref 5 , or black standard sensors (as described in ISO 4892-1, Ref 6 ) are used to represent the upper surface temperature limits of materials exposed to solar radiation. Black panel...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006763
EISBN: 978-1-62708-295-2
.... The resolution in a digital photographic image is determined by the number of pixels in the imaging sensor; the higher the number of pixels, the greater the image resolution. High-resolution photographs are attainable with multiple megapixel (mp) sensor arrays. Professional digital cameras have sensors ranging...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006914
EISBN: 978-1-62708-395-9
... compounds present in gaseous combustion products can be identified and analyzed by gas chromatography, Fourier Transform Infrared spectroscopy, or electrochemical sensors for specific species (e.g., CO), or the effects of gaseous combustion products on laboratory animals can be studied ( Ref 10 ). ASTM...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... infrared spectroscopy have found application for detecting heat damage or for measuring the degree of cure of polymer materials during production inspections. With the advent of miniature sensors and artificial intelligence algorithms, structural health monitoring systems are also becoming viable...
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
... or more factors can result in premature failure of the polymer. The analytical methodologies described previously are also applicable to analyze polymers. A few specific analyses for polymers are described as follows. Infrared (IR) spectroscopy is a chemical analysis technique for polymers. The IR...
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
.... Multiple UT sensors can be used in concert on structures that are being stressed through structural, thermal or pressure loading. The probes can determine the location of popping sounds to quickly pinpoint an area of interest on a large structure such as a pressure vessel or a mechanically loaded component...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006916
EISBN: 978-1-62708-395-9
... value or pack/hold slightly lower Separate fill from pack and hold or separate all three phases Fill/pack/hold Transfer from fill to pack and hold Time-based Position or cavity pressure sensor-based Cooling No specific requirements The turbulent flow of coolant — a key requirement Monitor...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006851
EISBN: 978-1-62708-395-9
... by the number of pixels in the imaging sensor; the higher the number of pixels, the greater the image resolution. High-resolution photographs are attainable with multiple megapixel sensor arrays, and technological advances have produced arrays that yield tremendous resolution. However, there is a trade-off...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003527
EISBN: 978-1-62708-180-1
... Photography Digital Imaging Scientific digital photography is similar in many ways to color film photography. In film photography, the image is recorded on silver halide crystals in the film emulsion. In digital photography, the image is recorded on a microelectronic sensor made up of an array...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006924
EISBN: 978-1-62708-395-9
... field, providing a means to measure the permittivity and loss factor (which is correlated with the viscosity) as the thermoset cures. Recent advances in dielectric sensors allow for in situ measurement of the dielectric properties in a molding or manufacturing process ( Ref 8 ). Fourier Transform...
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
..., cracks, pits, etc. Only sensitive to surface flaws Low cost, intuitive. May be enhanced with PT, MT, IR, UV, laser reference lines, video, and magnifying lenses All Thermal/infrared (IR)—includes passive thermal inspections, flash thermography, and laser flying spot/line technology Surface...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006911
EISBN: 978-1-62708-395-9
... cells, 6-axis load cells, or piezoelectric torque sensors can be used to measure the torque experienced by either the polymer sample or the counter sample depending on the configuration. The sample can be rigidly mounted to a sensor which measures the torque while the other sample is rotated against...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006939
EISBN: 978-1-62708-395-9
... modifier; they are broadly divided into three categories based on critical information provided by the analyses. Chemical Nature Organic and inorganic surface modifiers can be characterized by using spectroscopy (ultraviolet-visible, infrared, nuclear magnetic resonance) and x-ray based (energy...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006849
EISBN: 978-1-62708-395-9
... on an unknown material, in addition to running conventional infrared scans to identify composition, a GPC study characterizes the MW and distribution of the polymer, DSC identifies percent crystallinity and T g , TGA identifies weight composition, and TMT substantiates thermal regions and changes...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2