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  • 1
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 364-366 (Dec. 2007), p. 998-1002 
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Optical fiber sensors have been developed during the past decade to measure a widerange of physical quantities such as strain and temperature. The perturbation of the surroundingfield in the host due to the presence of the optical sensor will not only alter the values of the fieldvariables being measured, but may also affect the integrity of the host. Resulting degradations cancompromise the accuracy and long term reliability of the smart structure. The present paper focusesthe attention on constitutent interaction between the optical fiber, coating, matrix and host material.An analytical model to predict the stress fields in the vicinity of the embedded optical fiber wasderived. The theoretical development was based on the four concentric cylinders models whichrepresented the optical fiber, protective coating, matrix and host material, respectively. Theinterfaces between each constitutent were assumed to be perfect bonds, so that the tractions anddisplacements were continuous across each interface. In this investigation, the host structure wassubjected to three normal loadings along the axial directions. Numerical examples were presented toinvestigate the effects of the coating and host material on the stress distribution in the vicinity of theembedded optical fiber
    Type of Medium: Electronic Resource
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