2015
DOI: 10.11648/j.optics.s.2015040301.17
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Residual Stress Measurement in Micro-region Using Digital Image Correlation Method

Abstract: Abstract:The residual stress of the zirconia film on a stainless steel substrate is measured using the digital image correlation (DIC) method. A lattice structure is milled by focused ion beam (FIB) and used as the deformation carrier. An annular groove is etched by FIB in order to release the residual stress. The DIC method is used to calculate the deformation caused by the release of residual stress and the residual stress is derived by mechanics equations. The results demonstrate that this method can be ext… Show more

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Cited by 2 publications
(1 citation statement)
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“…Moreover, commonly used experimental methods (as listed on Table 1 ) do not provide any information on the deformation history, unlike the DIC technique. Previously, DIC has been used to quantify residual stresses in various applications; some are completely performed in a non-destructive way [ 41 , 42 , 43 , 44 ] and some are combined with a destructive measurement technique such as DIC-aided hole drilling [ 45 , 46 , 47 , 48 ], DIC-aided slitting [ 40 , 49 ], DIC-aided focused ion beam (FIB) micro ring/region milling/drilling [ 50 , 51 , 52 ], etc. Application of DIC for residual stress measurements includes composites [ 40 ], selective laser-melted parts [ 43 , 51 ], arc-welded steel tubes [ 41 ] and plates [ 44 ], friction stir butt-welded joints [ 49 ], thin-film coatings [ 42 ], cold spray deposits [ 52 ], plasma spray coatings [ 53 ], etc.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, commonly used experimental methods (as listed on Table 1 ) do not provide any information on the deformation history, unlike the DIC technique. Previously, DIC has been used to quantify residual stresses in various applications; some are completely performed in a non-destructive way [ 41 , 42 , 43 , 44 ] and some are combined with a destructive measurement technique such as DIC-aided hole drilling [ 45 , 46 , 47 , 48 ], DIC-aided slitting [ 40 , 49 ], DIC-aided focused ion beam (FIB) micro ring/region milling/drilling [ 50 , 51 , 52 ], etc. Application of DIC for residual stress measurements includes composites [ 40 ], selective laser-melted parts [ 43 , 51 ], arc-welded steel tubes [ 41 ] and plates [ 44 ], friction stir butt-welded joints [ 49 ], thin-film coatings [ 42 ], cold spray deposits [ 52 ], plasma spray coatings [ 53 ], etc.…”
Section: Introductionmentioning
confidence: 99%