Evaluation of heat seal quality of aseptic food containers by ultrasonic and optical microscopic imaging

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dc.authoridayhan, zehra/0000-0001-9114-4445
dc.contributor.authorAyhan, Z
dc.contributor.authorZhang, QH
dc.date.accessioned2024-09-18T21:00:28Z
dc.date.available2024-09-18T21:00:28Z
dc.date.issued2003
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractNon-destructive testing by the ultrasonic imaging method was evaluated to determine the heat seal quality of aseptically produced semi rigid cups, sealed at temperatures ranging from 150 to 200 degreesC. Non-contact ultrasonic testing in pulse/echo mode using high frequency sound waves generated by a 20 MHz ultrasonic transducer was used to evaluate heat-seal quality. In order to relate ultrasonic response with the actual seal condition, various seal regions of a semi rigid container were sectioned for optical microscopic imaging and seal characterization. Results showed that ultrasonic signals could reflect the effects of the sealing process on the seal integrity. Change in the ultrasonic signals indicated an insufficient or non-uniform heat seal at sealing temperatures of 150-170 degreesC, resulting in weak seals or discontinuities. Short seal width was observed at all sealing temperatures, indicating unparallel alignment of the sealing tool. Optical imaging correlated well with ultrasonic imaging. However, uniformity of heat seal did not correlate well with the magnitude of the ultrasonic signal, possibly due to non-uniform surfaces of heat seals. These results suggest that this non-destructive ultrasonic inspection system detects the quality of heat seals, which can eliminate potential failures and improve process control.en_US
dc.identifier.doi10.1007/s00217-003-0769-1
dc.identifier.endpage368en_US
dc.identifier.issn1438-2377
dc.identifier.issue4en_US
dc.identifier.scopus2-s2.0-1542394517en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage365en_US
dc.identifier.urihttps://doi.org/10.1007/s00217-003-0769-1
dc.identifier.urihttps://hdl.handle.net/20.500.12483/12700
dc.identifier.volume217en_US
dc.identifier.wosWOS:000185809500017en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringer-Verlagen_US
dc.relation.ispartofEuropean Food Research and Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectultrasonic testingen_US
dc.subjectnon-destructive evaluationen_US
dc.subjectseal inspectionen_US
dc.subjectpackage integrityen_US
dc.subjectheat seal qualityen_US
dc.titleEvaluation of heat seal quality of aseptic food containers by ultrasonic and optical microscopic imagingen_US
dc.typeArticleen_US

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