[go: up one dir, main page]

Fisher et al., 1995 - Google Patents

Nondestructive inspection of graphite-epoxy composites for heat damage using laser-induced fluorescence

Fisher et al., 1995

View PDF
Document ID
18257992738379551442
Author
Fisher W
Storey J
Sharp S
Janke C
Wachter E
Publication year
Publication venue
Applied Spectroscopy

External Links

Snippet

Laser-induced fluorescence has been applied to the nondestructive inspection of graphite- fiber-reinforced polymer-matrix composites. Upon curing, the epoxy resin in these materials forms a highly cross-linked network of aromatic sub-units. This result yields a material with …
Continue reading at www.academia.edu (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65—Raman scattering
    • G01N2021/653—Coherent methods [CARS]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infra-red light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/26—Investigating or analysing materials by specific methods not covered by the preceding groups oils; viscous liquids; paints; inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/44—Investigating or analysing materials by specific methods not covered by the preceding groups resins; rubber; leather
    • G01N33/442—Resins, plastics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/84—Systems specially adapted for particular applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/72—Investigating presence of flaws
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colour
    • G01J3/28—Investigating the spectrum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied

Similar Documents

Publication Publication Date Title
Kansiz et al. Optical photothermal infrared microspectroscopy with simultaneous Raman–a new non-contact failure analysis technique for identification of< 10 μm organic contamination in the hard drive and other electronics industries
Djurhuus et al. Machine learning assisted fiber Bragg grating-based temperature sensing
Compton et al. In situ FT-IR analysis of a composite curing reaction using a mid-infrared transmitting optical fiber
Leung et al. Thermal diffusivity in thin films measured by noncontact single-ended pulsed-laser-induced thermal radiometry
Fisher et al. Nondestructive inspection of graphite-epoxy composites for heat damage using laser-induced fluorescence
US5483338A (en) Method and apparatus for evaluating structural weakness in polymer matrix composites
Regmi et al. High temperature phosphor thermometry with YAG: Dy and LED excitation on flexible YSZ ceramic ribbons
Hammiche et al. Mid-infrared microspectroscopy of difficult samples using near-field photothermal microspectroscopy
US20110001047A1 (en) Method of Predicting Thermal or Chemical Effect In A Coated Or Painted Composite Material
Liu et al. Low-velocity impact damage detection in CFRP composites by applying long pulsed thermography based on post-processing techniques
Gallais et al. Simultaneous absorption, scattering, and luminescence mappings for the characterization of optical coatings and surfaces
EP2104847A1 (en) Advanced calorimetric spectroscopy for commercial applications
Schemmel et al. Monitoring stress changes in carbon fiber reinforced polymer composites with GHz radiation
Zhao et al. Standoff and Point Detection of Thin Polymer Layers Using Microcantilever Photothermal Spectroscopy
Kazarian et al. Sampling approaches in Fourier transform infrared imaging applied to polymers
Rogers et al. A new photoacoustic/photothermal device for real-time materials evaluation: An automated means for performing transient grating experiments
Wachter et al. Laser induced fluorescence imaging of thermal damage in polymer matrix composites
Gallo et al. RDX remote Raman detection on NATO SET-237 samples
Furstenberg et al. Advances in photo-thermal infrared imaging microspectroscopy
Hayden et al. Fluorescent scanning thermal microscope based on a Blu-ray optical head to measure thermal diffusivity of radioactive samples
McCabe et al. Remote detection using surface-enhanced resonance Raman scattering
Fotiou et al. Photothermal deflection densitometer with pulsed-UV laser excitation
CN119985334B (en) A non-contact polarization photoacoustic detection device and method for quality identification of traditional Chinese medicine
Piel et al. The fastest real time spectroscopic ellipsometry: applications and limitations for in situ and quality control
McLysaght et al. Holographic evaluation of ceramic materials