1-20 of 51 Search Results for

ultraviolet radiation

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 Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870401
EISBN: 978-1-62708-314-0
... radiation, lightning strikes, thermal oxidation, and extreme temperatures. It also discusses the factors that influence flammability. environmental degradation flammability heat damage lightning strikes polymeric matrix composites thermo-oxidative stability ultraviolet radiation EXPOSURE...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030237
EISBN: 978-1-62708-349-2
... – 2219 10.1002/app.23692 8. “Ultraviolet Radiation from Fluorescent Lamps,” Lamp Section , National Electrical Manufacturers Association , Rosslyn, VA , May 4, 1999 9. Patkus B.L. , Technical leaflet, “The Environment,” Section 2, Leaflet 4 , Northeast Document Conservation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780153
EISBN: 978-1-62708-281-5
... one factor during outdoor use. Therefore, degradation is usually driven by one principal factor at a time. However, multiple factors may affect property performance. Ultraviolet (UV) Radiation Degradation due to UV radiation (sunlight) is the primary concern when plastics are meant for outdoor...
Image
Published: 01 December 1995
Fig. 8-5 An ultraviolet laser builds a part layer-by-layer by drawing each layer onto a vat of photopolymer, which hardens when sufficiently exposed to the radiation. More
Image
Published: 01 April 2013
Fig. 2 Schematic representation of the portion of the electromagnetic spectrum that includes x-rays, gamma rays, ultraviolet and visible light, and infrared radiation, showing their relationship with wave length and photon energy. Source: Ref 1 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110209
EISBN: 978-1-62708-247-1
... thenoyltrifluoroacteonate) has been the focal point for the fluorescent microthermal imaging technique. The temperature dependent fluorescence quantum yield is the key property of EuTTA. Ultraviolet radiation is used to excite the EuTTA fluorescence through a series of intramolecular energy transfers. The TTA ligand...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140201
EISBN: 978-1-62708-264-8
... to the compensated measuring device, one may simply use lengths of the thermocouple wire. Alternatively, spools of compensating wire mentioned previously are commercially available at cheaper prices for the various thermocouple types. Fig. A5 Metal-sheathed thermocouple Radiation Pyrometers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110042
EISBN: 978-1-62708-247-1
... the small details. It begins with the basic microscope column and construction. The article discusses microscope adjustments, brightfield and darkfield illumination, and microscope concepts important to liquid crystal techniques. It also discusses solid immersion lenses, infrared and ultraviolet microscopy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720233
EISBN: 978-1-62708-305-8
... energies), have the capability of penetrating opaque materials to reveal internal flaws. Fig. 2 Schematic representation of the portion of the electromagnetic spectrum that includes x-rays, gamma rays, ultraviolet and visible light, and infrared radiation, showing their relationship with wave length...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780146
EISBN: 978-1-62708-281-5
... degraded by oxygen in the presence of ultraviolet radiation. The rate of this photo-oxidation may be decreased by the addition of pigments, such as carbon black or UV stabilizers (such as derivatives of hydroxy benzophenone). These additives may also provide a pathway for attack by aggressive chemicals...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780093
EISBN: 978-1-62708-268-6
... in which hypothesized failure causes are induced by aging, repetitive temperature cycling, or exposure to humidity, ultraviolet radiation, or high or low temperatures. Most commercial testing facilities offer environmental and accelerated aging tests to evaluate these hypothesized failure causes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780336
EISBN: 978-1-62708-281-5
... is analogous to some extended photodegradation experiments in which polymer disintegration by ultraviolet radiation yields products that are smaller than the parent materials but are still chemically identifiable as polymer components. Measurements of Biodegradation Biodegradation involves loss...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... condition upon continued exposure. Carbon dioxide is released upon exposure to humidity, which can result in gasing or bubbling of the coating in humid conditions. Aromatic urethanes can darken or yellow upon exposure to ultraviolet radiation. Polyurethane (aromatic) Excellent adhesion, hardness...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730099
EISBN: 978-1-62708-283-9
... the modulus drops. Fig. 9.13 At constant stress, the strain increases so the modulus, σ/ε, decreases with time of loading. Source: Ref 9.2 Additives Because the carbon-carbon bonds of polymers can be broken by ultraviolet radiation; carbon black, titanium dioxide, and other pigments often...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780089
EISBN: 978-1-62708-281-5
... of the series to check for contamination buildup and to clean column. Detector linear concentration response Determine linear operating range of detector, specifically when using ultraviolet radiation Sample concentration versus peak area Standard calibration solution No specified set of instrument...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... and international standards for inspection exist. Mostly penetration is normal to surface, thus cracks parallel to the surface not easy to detect. Radiation safety precautions must be observed. Specialized equipment and storage facilities (for γ-ray sources) required. Upper temperature limit for use is about 50 °C...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850267
EISBN: 978-1-62708-260-0
... by the plane of the light vibrations. Phase and polarization are not detected by the human eye. (From Gifkins, Ref. 2, courtesy of Elsevier Science Publishing Co., Inc.) An ideal light source is one which emits light of only one wavelength, i.e., monochromatic radiation. In actual practice, except...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240303
EISBN: 978-1-62708-251-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... to the site, such as electrical (spark potential), chemical, fire, or radiation. The implications of introducing an additional hazard to the site during the inspection should be addressed. Robustness of NDE equipment : This should cover both physical characteristics as well as electronic. Coverage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780404
EISBN: 978-1-62708-281-5
... from exposure to incompatible chemicals. Examples of potential stress crack agents are mold releases, cleaners, lubricating oils and greases, plasticizers, and solvents in paints and coatings. Prolonged exposure to ultraviolet radiation in sunlight can also embrittle the surface layers, resulting...