Methodology for DSC calibration in high heating rates

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorBraga, Carlos Isidoro
dc.creatorRezende, Mirabel Cerqueira
dc.creatorCosta, Michelle Leali
dc.date2014-05-27T11:25:57Z
dc.date2016-10-25T18:34:15Z
dc.date2014-05-27T11:25:57Z
dc.date2016-10-25T18:34:15Z
dc.date2011-08-01
dc.date.accessioned2017-04-06T01:51:37Z
dc.date.available2017-04-06T01:51:37Z
dc.identifierJournal of Aerospace Technology and Management, v. 3, n. 2, p. 179-192, 2011.
dc.identifier1984-9648
dc.identifier2175-9146
dc.identifierhttp://hdl.handle.net/11449/72578
dc.identifierhttp://acervodigital.unesp.br/handle/11449/72578
dc.identifier10.5028/jatm.2011.03021911
dc.identifier2-s2.0-82455189539.pdf
dc.identifier2-s2.0-82455189539
dc.identifierhttp://dx.doi.org/10.5028/jatm.2011.03021911
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/893434
dc.descriptionDespite the large use of differential scanning calorimetry (DSC) technique in advanced polymer materials characterization, the new methodology called DSC in high heating rates was developed. The heating rate during conventional DSC experiments varying from 10 to 20°C.min-1, sample mass from 10 to 15mg and standard aluminum sample pan weighting, approximately, 27mg. In order to contribute to a better comprehension of DSC behavior in different heating rates, this work correlates as high heating rate influences to the thermal events in DSC experiments. Samples of metallic standard (In, Pb, Sn and Zn) with masses varying from 0.570mg to 20.9mg were analyzed in multiples sample heating rate from 4 to 324°C. min-1. In order to make properly all those experiments, a precise and careful temperature and enthalpy calibrations were performed and deeply discussed. Thus, this work shows a DSC methodology able to generate good and reliable results on experiments under any researcher choice heating rates to characterize the advanced materials used, for example, for aerospace industry. Also it helps the DSC users to find in their available instruments, already installed, a better and more accurate DSC test results, improving in just one shot the analysis sensitivity and resolution. Polypropylene melting and enthalpy thermal events are also studied using both the conventional DSC method and high heating rate method.
dc.languageeng
dc.relationJournal of Aerospace Technology and Management
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectCalibration
dc.subjectDSC
dc.subjectHigh heating rate
dc.subjectPolymers
dc.subjectThermal analysis
dc.subjectAdvanced materials
dc.subjectAdvanced polymers
dc.subjectEnthalpy calibration
dc.subjectHigh heating rates
dc.subjectSample heating
dc.subjectThermal events
dc.subjectAerospace industry
dc.subjectCharacterization
dc.subjectDifferential scanning calorimetry
dc.subjectEnthalpy
dc.subjectExperiments
dc.subjectHeating rate
dc.subjectLead
dc.subjectPolypropylenes
dc.subjectSensitivity analysis
dc.subjectThermoanalysis
dc.subjectTin
dc.subjectHeating
dc.titleMethodology for DSC calibration in high heating rates
dc.typeOtro


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