Results 81 to 90 of about 395,753 (245)

Methodologies for Characterization of Aerospace Polymers/Energetic Materials – a Short Review

open access: yesJournal of Aerospace Technology and Management, 2016
Fourier transform infrared spectroscopy techniques, associated or not to others, are a well-studied subject used for characterizing polymers/energetic materials that have been employed mainly in aerospace industries.
Shirley Motta Pedreira   +6 more
doaj  

Effects of atomic oxygen and ultraviolet radiation on candidate elastomeric materials for long duration missions. Test series no.1 [PDF]

open access: yes
Research was conducted at MSFC on the behavior of elastomeric materials after exposure to simulated space environment. Silicone S383 and Viton V747 samples were exposed to thermal vacuum, ultraviolet radiation, and atomic oxygen and then evaluated for ...
Finckenor, M. M.   +3 more
core   +1 more source

Molecular fingerprinting with femtosecond lasers

open access: yes, 2008
Molecular fingerprinting through absorption spectroscopy is a powerful analytical method. Wide spectral ranges are explored with Doppler-limited resolution.
Guelachvili, Guy   +2 more
core   +1 more source

DETERMINATION OF POLYMER CONTENT IN ENERGETIC MATERIALS BY FT-IR. doi: 10.5028/jatm.2009.0102167175

open access: yesJournal of Aerospace Technology and Management, 2011
A new methodology was developed to characterize and to quantify the polymer content in PBX (HMX/Viton) by Fourier Transform Infrared Spectroscopy (FT-IR), using the Termogravimetric analysis (TG) as reference techniques for the quantitative method ...
Elizabeth C. Mattos   +3 more
doaj  

Research and Application of Interferogram Acquisition Method for Ground-Based Fourier-Transform Infrared Greenhouse Gas Spectrometer

open access: yesPhotonics
A high-performance data acquisition and processing system within a spectrometer provides a powerful guarantee for obtaining high-precision data in ground-based Fourier-transform infrared greenhouse-gas spectroscopy.
Yasong Deng   +6 more
doaj   +1 more source

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