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dc.contributor.authorPahlevanpour, Amirhossein
dc.contributor.authorMarzbanrad, Bahareh
dc.contributor.authorBehravesh, Seyed Behzad
dc.contributor.authorJahed, Hamid
dc.description.abstractNotches are inevitable in many components and structures due to design limitations. In addition, they are the locations for stress concentration and are susceptible to fatigue failure. As a result, the cyclic stress/strain response at a notch is of key importance. Fiber Bragg Grating (FBG) sensors have been successfully utilized for mechanical and thermo-mechanical strain measurement in many cases; nevertheless, their capability of measuring strain at spots with intensive stress/strain has not yet been explored. In this research, FBG sensors are employed for strain measurement at the notch tip. A verification test was designed to substantiate the FBG measurements. The test involves a rectangular magnesium sheet with a center hole, subjected to uniaxial cyclic loading while the strain was measured at the notch tip using three different methods: strain gage, digital image correlation (DIC), and FBG. There were good agreements between the three measurements.en_US
dc.rightsThe copyright for the paper content remains with the author.
dc.subjectEngineering Analysis & Designen_US
dc.subjectMaterials Technologyen_US
dc.subjectStrain measurementen_US
dc.titleApplication Of Fiber Bragg Grating Sensor For Strain Measurement At The Notch Tip Under Cyclic Loadingen_US

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